DNSSEC Debugger - pubmed.ncbi.nlm.nih.gov

Domain Name:

Time: 2025-12-28 12:45:18 UTC

Analyzing DNSSEC problems for pubmed.ncbi.nlm.nih.gov

DS=20326/SHA-256 is now in the chain-of-trust

	Checking DS between Trust Anchor and .
	`. IN DS ( 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d )`
	Query to k.root-servers.net for ./DNSKEY
	Received 1414 bytes from 193.0.14.129
	;; Response received from [193.0.14.129] 1414 octets ;; HEADER SECTION ;; id = 37191 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (5 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831 . 172800 IN DNSKEY ( 256 3 8 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809 . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20260110000000 20251220000000 20326 . RZO5FQjtg6Yk0Dara521nCUfYnQxCLAVdbC+buKQVAKlHsZ6srxXHNAL8DMoHohT+PyIlPFAQMb5 fBZatrDaqxpZZ/YbC0A2zxGxOwuOPb1xRbqi6E3zSKfilTRuAux5jN0KYbZZhFxda62e9Hv+2GJs MLixTpiV3RVXtxENI2GPRA8mRRJPBDR7XVQF/2Pz+vjcAW07dp27CrNmQPyZtVjSgw49Jz1rSsAm +EEKO6C7KLG5hmENQr165D3YjMWCs93YhTY8bhWYVqeDtsB1BwoEWkMqSFs4I4+uMd14BHvO6mlq zOZyWC+3kXYTpoAlE0kFhKNv1i54wgHRB+paqw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	DNSKEY=20326/SEP is now in the chain-of-trust
	DS=20326/SHA-256 verifies DNSKEY=20326/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20260110000000 20251220000000 20326 . RZO5FQjtg6Yk0Dara521nCUfYnQxCLAVdbC+buKQVAKlHsZ6srxXHNAL8DMoHohT+PyIlPFAQMb5 fBZatrDaqxpZZ/YbC0A2zxGxOwuOPb1xRbqi6E3zSKfilTRuAux5jN0KYbZZhFxda62e9Hv+2GJs MLixTpiV3RVXtxENI2GPRA8mRRJPBDR7XVQF/2Pz+vjcAW07dp27CrNmQPyZtVjSgw49Jz1rSsAm +EEKO6C7KLG5hmENQr165D3YjMWCs93YhTY8bhWYVqeDtsB1BwoEWkMqSFs4I4+uMd14BHvO6mlq zOZyWC+3kXYTpoAlE0kFhKNv1i54wgHRB+paqw== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=21831 is now in the chain-of-trust
	DNSKEY=61809 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to d.root-servers.net for pubmed.ncbi.nlm.nih.gov/A
	Received 630 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 630 octets ;; HEADER SECTION ;; id = 4287 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1450, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS b.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20260110050000 20251228040000 61809 . 3NhOWicctP5SES1YRCrVHX+xjFXBBTRWK4wfWDtWRrQTmXad59KS+e3+G+2Q0cFwpAXJl1Wq/YL5 eJNXYhSKMKdPExuibTOrIXp15YzcMhMrmoqTacyhCVqPU6FPqoA9GqjxIZYypfSG+lWtE5cnOucD H5i/7pbHKLpaJyd3+6uOvO3ZaYaAA2rqglYjQtDaS53mklTpv+lKJNsJqZOmczrbnYUYxyrjdE0N vj/3lTj4qPF6ihNdyMVIEBhJ2cilUsAqXmY6ZHIlLj5Ef0Zf+pkNuijdlR3+t92orZh1ied1qpA4 44KeQcN6DZC2zaCbNXGfuUC5HFJ7Eu/qSZHnoA== ) ;; ADDITIONAL SECTION (9 records) a.ns.gov. 172800 IN A 199.33.230.1 b.ns.gov. 172800 IN A 199.33.231.1 c.ns.gov. 172800 IN A 199.33.232.1 d.ns.gov. 172800 IN A 199.33.233.1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 ;; { "EDNS-VERSION": 0 }
	Query to h.root-servers.net for gov/DNSKEY
	Received 610 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 610 octets ;; HEADER SECTION ;; id = 12382 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS b.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20260110050000 20251228040000 61809 . 3NhOWicctP5SES1YRCrVHX+xjFXBBTRWK4wfWDtWRrQTmXad59KS+e3+G+2Q0cFwpAXJl1Wq/YL5 eJNXYhSKMKdPExuibTOrIXp15YzcMhMrmoqTacyhCVqPU6FPqoA9GqjxIZYypfSG+lWtE5cnOucD H5i/7pbHKLpaJyd3+6uOvO3ZaYaAA2rqglYjQtDaS53mklTpv+lKJNsJqZOmczrbnYUYxyrjdE0N vj/3lTj4qPF6ihNdyMVIEBhJ2cilUsAqXmY6ZHIlLj5Ef0Zf+pkNuijdlR3+t92orZh1ied1qpA4 44KeQcN6DZC2zaCbNXGfuUC5HFJ7Eu/qSZHnoA== ) ;; ADDITIONAL SECTION (9 records) a.ns.gov. 172800 IN A 199.33.230.1 b.ns.gov. 172800 IN A 199.33.231.1 c.ns.gov. 172800 IN A 199.33.232.1 d.ns.gov. 172800 IN A 199.33.233.1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 ;; { "EDNS-VERSION": 0 }
	Found child zone gov

gov

	Checking DS between . and gov
	Query to k.root-servers.net for gov/DS
	Received 367 bytes from 193.0.14.129
	;; Response received from [193.0.14.129] 367 octets ;; HEADER SECTION ;; id = 27004 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DS ;; ANSWER SECTION (2 records) gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20260110050000 20251228040000 61809 . 3NhOWicctP5SES1YRCrVHX+xjFXBBTRWK4wfWDtWRrQTmXad59KS+e3+G+2Q0cFwpAXJl1Wq/YL5 eJNXYhSKMKdPExuibTOrIXp15YzcMhMrmoqTacyhCVqPU6FPqoA9GqjxIZYypfSG+lWtE5cnOucD H5i/7pbHKLpaJyd3+6uOvO3ZaYaAA2rqglYjQtDaS53mklTpv+lKJNsJqZOmczrbnYUYxyrjdE0N vj/3lTj4qPF6ihNdyMVIEBhJ2cilUsAqXmY6ZHIlLj5Ef0Zf+pkNuijdlR3+t92orZh1ied1qpA4 44KeQcN6DZC2zaCbNXGfuUC5HFJ7Eu/qSZHnoA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for gov in the . zone
	DS=2536/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`gov. 86400 IN RRSIG ( DS 8 1 86400 20260110050000 20251228040000 61809 . 3NhOWicctP5SES1YRCrVHX+xjFXBBTRWK4wfWDtWRrQTmXad59KS+e3+G+2Q0cFwpAXJl1Wq/YL5 eJNXYhSKMKdPExuibTOrIXp15YzcMhMrmoqTacyhCVqPU6FPqoA9GqjxIZYypfSG+lWtE5cnOucD H5i/7pbHKLpaJyd3+6uOvO3ZaYaAA2rqglYjQtDaS53mklTpv+lKJNsJqZOmczrbnYUYxyrjdE0N vj/3lTj4qPF6ihNdyMVIEBhJ2cilUsAqXmY6ZHIlLj5Ef0Zf+pkNuijdlR3+t92orZh1ied1qpA4 44KeQcN6DZC2zaCbNXGfuUC5HFJ7Eu/qSZHnoA== )`
	RRSIG=61809 and DNSKEY=61809 verifies the DS RRset
	DS=2536/SHA-256 is now in the chain-of-trust
	`gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 )`
	Query to c.ns.gov for gov/DNSKEY
	Received 291 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 291 octets ;; HEADER SECTION ;; id = 32357 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (3 records) gov. 3600 IN DNSKEY ( 257 3 13 D6ZhJTObQw3+kcewWf5iTHbzD3uTdbs5xf0kQfP/VXZcDovWJd0DUgHlp2VC002aLDCwhLoPPVN2 VfyoPnjCqg== ) ; keytag 2536 gov. 3600 IN DNSKEY ( 256 3 13 Of5kU9k4XfdcPwCK9k/zRJNu+Xspnw/BDd+1V6ZpDXRIpHe35BnHTZUBJN9gd6++HkiGXx2YnTji iO7/q+Yamg== ) ; keytag 35496 gov. 3600 IN RRSIG ( DNSKEY 13 1 3600 20260205110617 20251206110617 2536 gov. nZHIPZZ3z80AAkg8IDRVDprfpie4C0q93y05w0bzGd/fdwD8ocNWH6iMFuJ1B13pIaERw0TJTBOo cbM9gLWhNQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for gov
	`gov. 3600 IN DNSKEY ( 257 3 13 D6ZhJTObQw3+kcewWf5iTHbzD3uTdbs5xf0kQfP/VXZcDovWJd0DUgHlp2VC002aLDCwhLoPPVN2 VfyoPnjCqg== ) ; keytag 2536`
	`gov. 3600 IN DNSKEY ( 256 3 13 Of5kU9k4XfdcPwCK9k/zRJNu+Xspnw/BDd+1V6ZpDXRIpHe35BnHTZUBJN9gd6++HkiGXx2YnTji iO7/q+Yamg== ) ; keytag 35496`
	DNSKEY=2536/SEP is now in the chain-of-trust
	DS=2536/SHA-256 verifies DNSKEY=2536/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`gov. 3600 IN RRSIG ( DNSKEY 13 1 3600 20260205110617 20251206110617 2536 gov. nZHIPZZ3z80AAkg8IDRVDprfpie4C0q93y05w0bzGd/fdwD8ocNWH6iMFuJ1B13pIaERw0TJTBOo cbM9gLWhNQ== )`
	RRSIG=2536 and DNSKEY=2536/SEP verifies the DNSKEY RRset
	DNSKEY=35496 is now in the chain-of-trust
	Query to a.ns.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 348 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 348 octets ;; HEADER SECTION ;; id = 22284 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) nih.gov. 10800 IN NS ns.nih.gov. nih.gov. 10800 IN NS ns2.nih.gov. nih.gov. 10800 IN NS ns3.nih.gov. nih.gov. 3600 IN DS ( 25564 8 2 20c290555fabc77319e56eb35750074006b73ebaba31e0a7ab5ab7b5f8dc33bc ) nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20251229134518 20251227114518 35496 gov. N8X7uhj5Su3Fy+igCfbAeDriEU/CWFRyn0qcMW0npMkzCx6x0bCXWgWwen38vgH2gZ6Ee6/jARA7 nZprpORiiQ== ) ;; ADDITIONAL SECTION (4 records) ns.nih.gov. 3600 IN A 128.231.128.251 ns2.nih.gov. 3600 IN A 128.231.64.1 ns3.nih.gov. 3600 IN A 165.112.4.230 ;; { "EDNS-VERSION": 0 }
	Query to b.ns.gov for nih.gov/DNSKEY
	Received 332 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 332 octets ;; HEADER SECTION ;; id = 49304 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) nih.gov. 10800 IN NS ns.nih.gov. nih.gov. 10800 IN NS ns2.nih.gov. nih.gov. 10800 IN NS ns3.nih.gov. nih.gov. 3600 IN DS ( 25564 8 2 20c290555fabc77319e56eb35750074006b73ebaba31e0a7ab5ab7b5f8dc33bc ) nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20251229134518 20251227114518 35496 gov. tSPqNQ4uThVtIsg6PT3XKHdEt3SiIqqAXg6yBkkykeIJvsrTwb/AB7S/+iISlGSFH01WCREGL+k/ ZUftOTIOuw== ) ;; ADDITIONAL SECTION (4 records) ns.nih.gov. 3600 IN A 128.231.128.251 ns2.nih.gov. 3600 IN A 128.231.64.1 ns3.nih.gov. 3600 IN A 165.112.4.230 ;; { "EDNS-VERSION": 0 }
	Found child zone nih.gov

nih.gov

	Checking DS between gov and nih.gov
	Query to b.ns.gov for nih.gov/DS
	Received 231 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 231 octets ;; HEADER SECTION ;; id = 59520 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN DS ;; ANSWER SECTION (3 records) nih.gov. 3600 IN DS ( 25564 8 2 20c290555fabc77319e56eb35750074006b73ebaba31e0a7ab5ab7b5f8dc33bc ) nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20251229134518 20251227114518 35496 gov. rpgFOVFocV1KYZLbxUtu4Jfhs/52Lclfgyi095WQjq+SGQ+Chb28ruQ6qDfXJHEJtgDkKsYBoYrK 9GVk+MpFiQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DS records for nih.gov in the gov zone
	DS=25564/SHA-256 has algorithm RSASHA256
	DS=36469/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20251229134518 20251227114518 35496 gov. rpgFOVFocV1KYZLbxUtu4Jfhs/52Lclfgyi095WQjq+SGQ+Chb28ruQ6qDfXJHEJtgDkKsYBoYrK 9GVk+MpFiQ== )`
	RRSIG=35496 and DNSKEY=35496 verifies the DS RRset
	DS=25564/SHA-256 is now in the chain-of-trust
	DS=36469/SHA-256 is now in the chain-of-trust
	`nih.gov. 3600 IN DS ( 25564 8 2 20c290555fabc77319e56eb35750074006b73ebaba31e0a7ab5ab7b5f8dc33bc )`
	`nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed )`
	Query to ns.nih.gov for nih.gov/DNSKEY
	Received 1070 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 1070 octets ;; HEADER SECTION ;; id = 3822 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN DNSKEY ;; ANSWER SECTION (5 records) nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAcVLQHDmiGi0T4rz6Ad4+0Gg5d4Of4t3XodqUVcJmlMJ5zWS8OJpktuj7TfChNvypAtKz6Y8 /Px2bHdnXHHmQdTQfxojU1vljCcB3iEzQLpy8VjFoe+Pm3PvUYXgd7oUbWxryTiHSCS+MhSIqUMZ A8k5eQRCwdgJk36+d0yhsmc3 ) ; keytag 28963 nih.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAb/TBATPq9WfPf5EQnpJWGkZWk57KAx/FsyX52dIO/fU5aRXug4Ls0cOncslCYKNlmHfzfDM zfgTAzZRTisG6C6tNYlHkbZiVZ2fnytfEdhBhEpDtWrEnGKjdHTdArTnHCtoTOJkiGjbn4EVA9q/ a0mNrc3+2wonamr11VP98GgAButivHHie9mHx7a86pMnLMUdJnG1VxvhLaU4h+wwZJ/j1e3RN2Hn IQXT7S6ya5bFSzmHwH6fdQmGSULGchwIQtyESN6HVQOoxH/LxYFES70GREnSu3kYppdNeGSDW2gw +YzLqy+kclM56Xs9hSHXKMu2+UxbEbP4h30BLXyMdOs= ) ; keytag 36469 nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAbh4/4CJnYfIFqrWVg6qw3Xt30O9D6HjKSK7TBocXsDuKDJ5LJbRu9HUUIBbApaxu1GN1mV/ o9C3OSbkGzGV6+GS2JLC1neTCiuO1E/jXEVIh3hVUeupPsz+QPO4Efr4Kpv4wQsdt5RowZRW0IkG QrLa3HdY/HVpYxA7DNuW95MN ) ; keytag 23944 nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20251231173619 20251227163934 28963 nih.gov. rUaUJCMLRm3yYxO6ill7sG/yEixUdFsm+52wUNaYuMRjXOmVoPv3h9EgB3lXDe9r30qtNZ4DPTc/ v0vJk6ijFgpPURxm9Ihe/sIvxM5f/JpHyWV6eBJxeaYG/pKdHNL6KdeQbXix61uyes6sJr5N0SMf BbBFZHA4QdMQJNaIXSs= ) nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20251231173619 20251227163934 36469 nih.gov. d76i1yT4D4BJiEtBgCN/MZFmy0GVZI9PlIlTgEt5RA59dlpqernr0E6YrAs19hdmCoU0pJvojNXS nOIOrlLt8+vg5AIllFqZc2KOVMX9Zz2qurkg6fFKlJIvDzt+0hkDbRffxH/h6tQt9pK3IDrQyGMj 0E6vcv01l2HL70XhsvJFWWB/uu9Mv1cYwyUsBKrNhGzvBniVw3FChoQwepYbv5c+G35qXJ4Q7uJl 7DW6+bbxLaS+KB5C3Xtuk2eU5JApTrtjRGTXcbrh/Ru4WA/xRbb14IRrKOqfy5aTFXdFSCVfMVqD /IYXzMXYmLnExCX8bYdEFQbvUa5a+OFNyD5F/g== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for nih.gov
	`nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAcVLQHDmiGi0T4rz6Ad4+0Gg5d4Of4t3XodqUVcJmlMJ5zWS8OJpktuj7TfChNvypAtKz6Y8 /Px2bHdnXHHmQdTQfxojU1vljCcB3iEzQLpy8VjFoe+Pm3PvUYXgd7oUbWxryTiHSCS+MhSIqUMZ A8k5eQRCwdgJk36+d0yhsmc3 ) ; keytag 28963`
	`nih.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAb/TBATPq9WfPf5EQnpJWGkZWk57KAx/FsyX52dIO/fU5aRXug4Ls0cOncslCYKNlmHfzfDM zfgTAzZRTisG6C6tNYlHkbZiVZ2fnytfEdhBhEpDtWrEnGKjdHTdArTnHCtoTOJkiGjbn4EVA9q/ a0mNrc3+2wonamr11VP98GgAButivHHie9mHx7a86pMnLMUdJnG1VxvhLaU4h+wwZJ/j1e3RN2Hn IQXT7S6ya5bFSzmHwH6fdQmGSULGchwIQtyESN6HVQOoxH/LxYFES70GREnSu3kYppdNeGSDW2gw +YzLqy+kclM56Xs9hSHXKMu2+UxbEbP4h30BLXyMdOs= ) ; keytag 36469`
	`nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAbh4/4CJnYfIFqrWVg6qw3Xt30O9D6HjKSK7TBocXsDuKDJ5LJbRu9HUUIBbApaxu1GN1mV/ o9C3OSbkGzGV6+GS2JLC1neTCiuO1E/jXEVIh3hVUeupPsz+QPO4Efr4Kpv4wQsdt5RowZRW0IkG QrLa3HdY/HVpYxA7DNuW95MN ) ; keytag 23944`
	DNSKEY=36469/SEP is now in the chain-of-trust
	DS=36469/SHA-256 verifies DNSKEY=36469/SEP
	DS=25564/SHA-256 is published, but a corresponding DNSKEY is not
	Found 2 RRSIGs over DNSKEY RRset
	`nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20251231173619 20251227163934 28963 nih.gov. rUaUJCMLRm3yYxO6ill7sG/yEixUdFsm+52wUNaYuMRjXOmVoPv3h9EgB3lXDe9r30qtNZ4DPTc/ v0vJk6ijFgpPURxm9Ihe/sIvxM5f/JpHyWV6eBJxeaYG/pKdHNL6KdeQbXix61uyes6sJr5N0SMf BbBFZHA4QdMQJNaIXSs= )`
	`nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20251231173619 20251227163934 36469 nih.gov. d76i1yT4D4BJiEtBgCN/MZFmy0GVZI9PlIlTgEt5RA59dlpqernr0E6YrAs19hdmCoU0pJvojNXS nOIOrlLt8+vg5AIllFqZc2KOVMX9Zz2qurkg6fFKlJIvDzt+0hkDbRffxH/h6tQt9pK3IDrQyGMj 0E6vcv01l2HL70XhsvJFWWB/uu9Mv1cYwyUsBKrNhGzvBniVw3FChoQwepYbv5c+G35qXJ4Q7uJl 7DW6+bbxLaS+KB5C3Xtuk2eU5JApTrtjRGTXcbrh/Ru4WA/xRbb14IRrKOqfy5aTFXdFSCVfMVqD /IYXzMXYmLnExCX8bYdEFQbvUa5a+OFNyD5F/g== )`
	RRSIG=28963 and DNSKEY=28963 verifies the DNSKEY RRset
	RRSIG=36469 and DNSKEY=36469/SEP verifies the DNSKEY RRset
	DNSKEY=28963 is now in the chain-of-trust
	DNSKEY=23944 is now in the chain-of-trust
	Query to ns.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 372 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 372 octets ;; HEADER SECTION ;; id = 22722 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to ns.nih.gov for nlm.nih.gov/DNSKEY
	Received 763 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 763 octets ;; HEADER SECTION ;; id = 60171 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (3 records) nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAa40pXRgFzAX+J6rJP2C1q1XnLDW8WThBVn/Y276WnqwxttolgUK1r5uKoz7SWtoQOKQ+Oqi xlmg933pHA4peU0sAp/uAw/OuPSfJxbgEYuYCwsImSrU3UsIjkC4mnLFiPO8LdIUqjG0cVDvSXOe rz4TPGVvEIfZ6Dx3TpY3uvzR ) ; keytag 24679 nlm.nih.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAZC/hLnSzGenvFrKBeGVf4WP7RBCxmMSLeLPv9AqYqGYfTwEX5wnVsH7IayeQ9h9DkWRyN2F VLZSkHfq4XsjBKbmD6M3lcU5lNMSnKXE8PRQvTaAvXHX303ENikKS9o282E/oyNpdXF1tD2FDP2S Q3v8uFxFfeGYjW3LPYryRX/CFEDiN9iYcWzIzwPLNdlGwD7iGai7p/tk6VyPM62ofisFwWX02/rc epgPp3GAHp3sJgxMFrAW8Af9vEv6eT5VbkTHa2S4Tj4mPborV9Hpq/e85FQe618XSygljk+1WdU7 ip8jZwxSI4odQJsQhIXgih6u6FNqyTEKkgrz64Xacyc= ) ; keytag 39122 nlm.nih.gov. 3600 IN RRSIG ( DNSKEY 8 3 3600 20260124181026 20251225175720 39122 nlm.nih.gov. a9RA0o62C99EtxT+gqQAXrymxInUNG1/epcI9UPLK6LztpcYyRMiT6LrepISubZp6FyFUt4wRNKk KrgUULr/R2gtcyA5kxDiIN5VnDouB0440M2pb0ql0zxwaxTdww307wd+hF1kBC76LuZrhVkH1DHI /RuPqA/F8qeXlqoBRUMJ231ns0UUMNdl1xJRm/PP1rNFGUACl4Rt/vmxf9kWu6mQvUEUx6CFs+Tw K/8l9qU4ermaf6mKc6tSD/TbbQOwGUgsj4BlgMo44ZbkCo82pFQx93Y1/LiKYlJUlAf1HYdGtia0 ZP4P+sjEaZiP1A8DSLBGad6wNLZMX9y/4BUpgQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone nlm.nih.gov
	Attempting to learn nameservers for nlm.nih.gov
	Query to ns.nih.gov for nlm.nih.gov/NS
	Received 1078 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 1078 octets ;; HEADER SECTION ;; id = 54142 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 6 ;; nscount = 0 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.nih.gov. IN NS ;; ANSWER SECTION (6 records) nlm.nih.gov. 86400 IN NS ns2.nih.gov. nlm.nih.gov. 86400 IN NS lhcns1.nlm.nih.gov. nlm.nih.gov. 86400 IN NS ns.nih.gov. nlm.nih.gov. 86400 IN NS ns3.nih.gov. nlm.nih.gov. 86400 IN NS lhcns2.nlm.nih.gov. nlm.nih.gov. 86400 IN RRSIG ( NS 8 3 86400 20260102103815 20251203100011 24679 nlm.nih.gov. HeBM8a7Is09Ungm6o8Nmedc5Nw8UZ+oHxUYSiEqthKqJQvVu5pPGG6gTRGNM5rTbstOPN6N7S84D bjUEODgK/XeVhbprRlDE43/SbXaAQUHbBvcSbvD0OaJiK8C2TOyILWbiJXfSnHTe+BLK7Usi1A31 6SlV4nBOeE5RskQ4Vxk= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (9 records) lhcns1.nlm.nih.gov. 3600 IN A 130.14.55.72 lhcns2.nlm.nih.gov. 3600 IN A 130.14.55.128 lhcns1.nlm.nih.gov. 3600 IN AAAA 2607:f220:41e:7055::72 lhcns2.nlm.nih.gov. 3600 IN AAAA 2607:f220:41e:7055::128 lhcns1.nlm.nih.gov. 3600 IN RRSIG ( A 8 4 3600 20260102100921 20251203100015 24679 nlm.nih.gov. lSUjxopNjKEl7cWsl/KBCIOwP2f8jU12vucCLbHk49jQw4z/2zxplkgXKckkkhO3MiG+21EibvOj IYjtGw/TIvWhStGl9oJ99Hcr/VnZ8muvEqELhSlivvoJCEQfTG83WqFUCa/A0xwyNuUZcNN9+hn5 A+VkzldU5fTLJYgZZNE= ) lhcns1.nlm.nih.gov. 3600 IN RRSIG ( AAAA 8 4 3600 20260102100921 20251203100015 24679 nlm.nih.gov. QaZF9WdNbJIji4zQn2wJOqoAUphacQDSe95PejUMSnvbdRTdGbXjr9pBoAdNpFGPaN+4pflAa/y2 4jWFvFy3R3N8vInYtnM3DfwopyCcjrZaOV5K4MKnnI7gRynUjnHEb6SeYYhWaOiiuCkwoFbe3bXO O0r7K1ilkUKJoJvWgmI= ) lhcns2.nlm.nih.gov. 3600 IN RRSIG ( A 8 4 3600 20260102104647 20251203100014 24679 nlm.nih.gov. BUudAtYZ319UfOc9QUr3seTUVbKxRp4YJA3jmpL2Ufz9MDxdd9tHfVG60NTQeoKjOAMUfuruzapT ZRawNg++t8+oJnvTxm4nsLZl3QNZBDQo5xjwfH+U8r0Ii5dxVv6PWQ/e4HdqipvNApF6vKyBhQqB CyfR4Oyuo5r57ykPYWQ= ) lhcns2.nlm.nih.gov. 3600 IN RRSIG ( AAAA 8 4 3600 20260102104647 20251203100014 24679 nlm.nih.gov. OhUUkE4T+X79LFLQLamn58qsCCIm4WszoTJSovk8l/5nXvoFV9GYnLtRSrHfAvGXiLTQ+eCFmXuf kK0Xo5iTJEvnX4z+/2uQKUUtznkt/otDTG7unWD3FpiCK7uF/BzQWgNbQ5AuSTWdL+4omK9t8CY3 kFG6kCqtT40DKBEUMF0= ) ;; { "EDNS-VERSION": 0 }
	Found nlm.nih.gov nameservers: ns2.nih.gov, lhcns1.nlm.nih.gov, ns.nih.gov, ns3.nih.gov, lhcns2.nlm.nih.gov

nlm.nih.gov

	Checking DS between nih.gov and nlm.nih.gov
	Query to ns3.nih.gov for nlm.nih.gov/DS
	Received 399 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 399 octets ;; HEADER SECTION ;; id = 59697 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.nih.gov. IN DS ;; ANSWER SECTION (5 records) nlm.nih.gov. 3600 IN DS ( 39122 8 2 aea70e256fbc9eed1b7efc4c34986409739512539aad03b5330732b9ef72588e ) nlm.nih.gov. 3600 IN DS ( 22726 8 2 d692137cf2065d3fd65834a233f3c2e3e6dd7dfbd24e8fde5fed41f58e2eb6bb ) nlm.nih.gov. 3600 IN DS ( 49585 8 2 56cf66e026f3d2f652313831ca43d950da0f6f7851c7bc2f3c6d9ded44d07209 ) nlm.nih.gov. 3600 IN DS ( 16690 8 2 1b955f0f54a8bf372d6233b09910ceec908708e83405586372ee76e1c2d5dd83 ) nlm.nih.gov. 3600 IN RRSIG ( DS 8 3 3600 20260101060608 20251228053416 28963 nih.gov. Md8eZyR8Eem/r/IASptoe/48UP4Fx0HwIcVFQu9KQfat8tV61ifH/Enl3KeqI0+seB7EkYQv5A+9 rOJ5V6/OmOF9Dq3VlCZDBLzB1n9H0PsnqmwptfoTpr8+Ln1EPudDM7msLvpfEnrtffoBm8ogfCH+ gmFNLL2MXiq77X3xL98= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DS records for nlm.nih.gov in the nih.gov zone
	DS=39122/SHA-256 has algorithm RSASHA256
	DS=22726/SHA-256 has algorithm RSASHA256
	DS=49585/SHA-256 has algorithm RSASHA256
	DS=16690/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`nlm.nih.gov. 3600 IN RRSIG ( DS 8 3 3600 20260101060608 20251228053416 28963 nih.gov. Md8eZyR8Eem/r/IASptoe/48UP4Fx0HwIcVFQu9KQfat8tV61ifH/Enl3KeqI0+seB7EkYQv5A+9 rOJ5V6/OmOF9Dq3VlCZDBLzB1n9H0PsnqmwptfoTpr8+Ln1EPudDM7msLvpfEnrtffoBm8ogfCH+ gmFNLL2MXiq77X3xL98= )`
	RRSIG=28963 and DNSKEY=28963 verifies the DS RRset
	DS=39122/SHA-256 is now in the chain-of-trust
	DS=22726/SHA-256 is now in the chain-of-trust
	DS=49585/SHA-256 is now in the chain-of-trust
	DS=16690/SHA-256 is now in the chain-of-trust
	`nlm.nih.gov. 3600 IN DS ( 39122 8 2 aea70e256fbc9eed1b7efc4c34986409739512539aad03b5330732b9ef72588e )`
	`nlm.nih.gov. 3600 IN DS ( 22726 8 2 d692137cf2065d3fd65834a233f3c2e3e6dd7dfbd24e8fde5fed41f58e2eb6bb )`
	`nlm.nih.gov. 3600 IN DS ( 49585 8 2 56cf66e026f3d2f652313831ca43d950da0f6f7851c7bc2f3c6d9ded44d07209 )`
	`nlm.nih.gov. 3600 IN DS ( 16690 8 2 1b955f0f54a8bf372d6233b09910ceec908708e83405586372ee76e1c2d5dd83 )`
	Query to ns3.nih.gov for nlm.nih.gov/DNSKEY
	Received 763 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 763 octets ;; HEADER SECTION ;; id = 62996 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (3 records) nlm.nih.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAZC/hLnSzGenvFrKBeGVf4WP7RBCxmMSLeLPv9AqYqGYfTwEX5wnVsH7IayeQ9h9DkWRyN2F VLZSkHfq4XsjBKbmD6M3lcU5lNMSnKXE8PRQvTaAvXHX303ENikKS9o282E/oyNpdXF1tD2FDP2S Q3v8uFxFfeGYjW3LPYryRX/CFEDiN9iYcWzIzwPLNdlGwD7iGai7p/tk6VyPM62ofisFwWX02/rc epgPp3GAHp3sJgxMFrAW8Af9vEv6eT5VbkTHa2S4Tj4mPborV9Hpq/e85FQe618XSygljk+1WdU7 ip8jZwxSI4odQJsQhIXgih6u6FNqyTEKkgrz64Xacyc= ) ; keytag 39122 nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAa40pXRgFzAX+J6rJP2C1q1XnLDW8WThBVn/Y276WnqwxttolgUK1r5uKoz7SWtoQOKQ+Oqi xlmg933pHA4peU0sAp/uAw/OuPSfJxbgEYuYCwsImSrU3UsIjkC4mnLFiPO8LdIUqjG0cVDvSXOe rz4TPGVvEIfZ6Dx3TpY3uvzR ) ; keytag 24679 nlm.nih.gov. 3600 IN RRSIG ( DNSKEY 8 3 3600 20260124181026 20251225175720 39122 nlm.nih.gov. a9RA0o62C99EtxT+gqQAXrymxInUNG1/epcI9UPLK6LztpcYyRMiT6LrepISubZp6FyFUt4wRNKk KrgUULr/R2gtcyA5kxDiIN5VnDouB0440M2pb0ql0zxwaxTdww307wd+hF1kBC76LuZrhVkH1DHI /RuPqA/F8qeXlqoBRUMJ231ns0UUMNdl1xJRm/PP1rNFGUACl4Rt/vmxf9kWu6mQvUEUx6CFs+Tw K/8l9qU4ermaf6mKc6tSD/TbbQOwGUgsj4BlgMo44ZbkCo82pFQx93Y1/LiKYlJUlAf1HYdGtia0 ZP4P+sjEaZiP1A8DSLBGad6wNLZMX9y/4BUpgQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for nlm.nih.gov
	`nlm.nih.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAZC/hLnSzGenvFrKBeGVf4WP7RBCxmMSLeLPv9AqYqGYfTwEX5wnVsH7IayeQ9h9DkWRyN2F VLZSkHfq4XsjBKbmD6M3lcU5lNMSnKXE8PRQvTaAvXHX303ENikKS9o282E/oyNpdXF1tD2FDP2S Q3v8uFxFfeGYjW3LPYryRX/CFEDiN9iYcWzIzwPLNdlGwD7iGai7p/tk6VyPM62ofisFwWX02/rc epgPp3GAHp3sJgxMFrAW8Af9vEv6eT5VbkTHa2S4Tj4mPborV9Hpq/e85FQe618XSygljk+1WdU7 ip8jZwxSI4odQJsQhIXgih6u6FNqyTEKkgrz64Xacyc= ) ; keytag 39122`
	`nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAa40pXRgFzAX+J6rJP2C1q1XnLDW8WThBVn/Y276WnqwxttolgUK1r5uKoz7SWtoQOKQ+Oqi xlmg933pHA4peU0sAp/uAw/OuPSfJxbgEYuYCwsImSrU3UsIjkC4mnLFiPO8LdIUqjG0cVDvSXOe rz4TPGVvEIfZ6Dx3TpY3uvzR ) ; keytag 24679`
	DNSKEY=39122/SEP is now in the chain-of-trust
	DS=39122/SHA-256 verifies DNSKEY=39122/SEP
	DS=22726/SHA-256 is published, but a corresponding DNSKEY is not
	DS=49585/SHA-256 is published, but a corresponding DNSKEY is not
	DS=16690/SHA-256 is published, but a corresponding DNSKEY is not
	Found 1 RRSIGs over DNSKEY RRset
	`nlm.nih.gov. 3600 IN RRSIG ( DNSKEY 8 3 3600 20260124181026 20251225175720 39122 nlm.nih.gov. a9RA0o62C99EtxT+gqQAXrymxInUNG1/epcI9UPLK6LztpcYyRMiT6LrepISubZp6FyFUt4wRNKk KrgUULr/R2gtcyA5kxDiIN5VnDouB0440M2pb0ql0zxwaxTdww307wd+hF1kBC76LuZrhVkH1DHI /RuPqA/F8qeXlqoBRUMJ231ns0UUMNdl1xJRm/PP1rNFGUACl4Rt/vmxf9kWu6mQvUEUx6CFs+Tw K/8l9qU4ermaf6mKc6tSD/TbbQOwGUgsj4BlgMo44ZbkCo82pFQx93Y1/LiKYlJUlAf1HYdGtia0 ZP4P+sjEaZiP1A8DSLBGad6wNLZMX9y/4BUpgQ== )`
	RRSIG=39122 and DNSKEY=39122/SEP verifies the DNSKEY RRset
	DNSKEY=24679 is now in the chain-of-trust
	Query to lhcns2.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 920 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 920 octets ;; HEADER SECTION ;; id = 9631 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	lhcns2.nlm.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to ns3.nih.gov for ncbi.nlm.nih.gov/DNSKEY
	Received 901 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 901 octets ;; HEADER SECTION ;; id = 56000 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (3 records) ncbi.nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAckbjcIcrq6FtRGMe7V+tGEUQ4qLIBOkJphv9sf4mSEKnS2gewnpk5VaneemJg5K9WhHKfk6 IcFkuliVe0BrshwCbiDyEiN2u6mmYO9qGROOLWQAfcpE2l1P4XdJ9GfT57CL8ilu/myAuo6MgPXn 94CAXBPPVg9cNl9Q5QsQPSyYXdjcJUerLYo0QAcb7GRHlCor/nWxUX+BKZ7gvcl1zo1HYPinKP54 vGDYI5AFqBYn4lujwWgIrpeISxdBdsOlskp56JwgEyEt+dBUloFQG8agiRKyjl27ZDCBu5y95wIy CvbjkAAUvqGfvS6/9JajhConHPfpZECJOVbp9kWgBOc= ) ; keytag 16545 ncbi.nlm.nih.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAZpv1rD4NfzPl48ycuzC23w9Oz5w+DJTGuSo4aY6Hjs5McEkMGafG+f+/KVKQJNGOLc3sz0N RWN8O87f4zbS/ohcfYRe59lJdCqHVG1xfYrzGro0PXtqUlqNhBdwvJVeBODffYZAvKrot7RNADeZ 8DSS1EVUdQ+GwGx+KjRWfnUqjvj9wmn0IxWFlPmlAhmx8365k4nocmzgIFMdOWbCpmojzRAqP26+ +AACtPzurFZ1UDp+gr0TnCHYJjTKno7K0she8b0n2QaCPZ4e29P0NUsfCsoPnYzy9CzuLAnl36YW KbmS1lVDYAlRh6LAjA4xDeqgfMsmAjncDYvYqN+ZJ80= ) ; keytag 38815 ncbi.nlm.nih.gov. 3600 IN RRSIG ( DNSKEY 8 4 3600 20260108013106 20251214011202 38815 ncbi.nlm.nih.gov. do0MaXv0TOlUxV33MHmrUoRsNdaV4pqVlaqS6vccjD3Q4CHMiZrkORG1nftzi49r16gnyHEIqGjk TU1mlR6LoVeP0mQU7oIikK7W/rxPQWxUwa6aOist54zTaVbk+VN7ub51ZsxzrYbZ2mVhpmJl5OJL 061wS1WEUgUX4x7Y/grrZLxNLHNDW+q6XmR8M0QqtDjoxbYkYHU7sWfr1kzqSVUs1VgLB55h36t8 CFjDYygPD4nOnKkqCbPbTwmzO+jnPgZKkLgq7T0dlOU/AHALpsdZfebXgcHJF3jxtThuikLeGyNB LGByGxZcuUC/zLDYdDqX/TL4bEbvdLEUqwj7bg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone ncbi.nlm.nih.gov
	Attempting to learn nameservers for ncbi.nlm.nih.gov
	Query to lhcns2.nlm.nih.gov for ncbi.nlm.nih.gov/NS
	Received 897 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 897 octets ;; HEADER SECTION ;; id = 32375 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 8 ;; nscount = 0 arcount = 6 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN NS ;; ANSWER SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (6 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN RRSIG ( A 8 5 604800 20260110044825 20251216044611 16545 ncbi.nlm.nih.gov. TEaMbELI7Xy1kS7/UJ/9usfUP2emJ4nKdcpu5jZ+KOidBkfrwTvqu+x8M5BeZtAYVyDB7YEYMjk8 ZjMxe432cJ8rZY6sitXVR139Ao1jovsdPaPYGQeiC4SU6IIOencw3GghD2p+U2MkAvpzPA+ibnJV YzDuHUGaNfguPDCKnKxf2mJxQfp9C96vJEedZys0gST/+Q7HlQpfGZlD3+TpEs/3RznzUGvlhuHX fLvTrvTtBpUBFQ6ewRsztIyeVinNa3ijKkc8S4HkSxV9QVeq4RrTEta4xgNKqzqSUV177qz29Ryt TFKU6F0gADggXIBNc9nOB9zIBjWg98n+UqrTpw== ) ;; { "EDNS-VERSION": 0 }
	Found ncbi.nlm.nih.gov nameservers: ns.nih.gov, lhcns1.nlm.nih.gov, ns3.nih.gov, ns2.nih.gov, dns2-ncbi.ncbi.nlm.nih.gov, dns1-ncbi.ncbi.nlm.nih.gov, lhcns2.nlm.nih.gov

ncbi.nlm.nih.gov

	Checking DS between nlm.nih.gov and ncbi.nlm.nih.gov
	Query to ns.nih.gov for ncbi.nlm.nih.gov/DS
	Received 264 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 264 octets ;; HEADER SECTION ;; id = 52150 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN DS ;; ANSWER SECTION (2 records) ncbi.nlm.nih.gov. 3600 IN DS ( 38815 8 2 8a57e2b59da1249da71b8a5fd47742182c4ae2c0c573692f61ef3fe3207c5a04 ) ncbi.nlm.nih.gov. 3600 IN RRSIG ( DS 8 4 3600 20260102101046 20251203100008 24679 nlm.nih.gov. TXbRDzwenynDAaacVqomCQVZv/PwyyxVaYAfUDeeTwadx3EYMdsvUV7h7sinnFzVPpONZ804lgUd nCCz8kmUBtZxrQcr2/YFkuXqkl35AWVvus1KkJAbTuASNv6So9DC4zLYOxSJiAtqdVQopnSyTWv7 H7yygV85ix4cA52G+QM= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for ncbi.nlm.nih.gov in the nlm.nih.gov zone
	DS=38815/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`ncbi.nlm.nih.gov. 3600 IN RRSIG ( DS 8 4 3600 20260102101046 20251203100008 24679 nlm.nih.gov. TXbRDzwenynDAaacVqomCQVZv/PwyyxVaYAfUDeeTwadx3EYMdsvUV7h7sinnFzVPpONZ804lgUd nCCz8kmUBtZxrQcr2/YFkuXqkl35AWVvus1KkJAbTuASNv6So9DC4zLYOxSJiAtqdVQopnSyTWv7 H7yygV85ix4cA52G+QM= )`
	RRSIG=24679 and DNSKEY=24679 verifies the DS RRset
	DS=38815/SHA-256 is now in the chain-of-trust
	`ncbi.nlm.nih.gov. 3600 IN DS ( 38815 8 2 8a57e2b59da1249da71b8a5fd47742182c4ae2c0c573692f61ef3fe3207c5a04 )`
	Query to dns1-ncbi.ncbi.nlm.nih.gov for ncbi.nlm.nih.gov/DNSKEY
	Received 901 bytes from 130.14.29.31
	;; Response received from [130.14.29.31] 901 octets ;; HEADER SECTION ;; id = 42322 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1024, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (3 records) ncbi.nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAckbjcIcrq6FtRGMe7V+tGEUQ4qLIBOkJphv9sf4mSEKnS2gewnpk5VaneemJg5K9WhHKfk6 IcFkuliVe0BrshwCbiDyEiN2u6mmYO9qGROOLWQAfcpE2l1P4XdJ9GfT57CL8ilu/myAuo6MgPXn 94CAXBPPVg9cNl9Q5QsQPSyYXdjcJUerLYo0QAcb7GRHlCor/nWxUX+BKZ7gvcl1zo1HYPinKP54 vGDYI5AFqBYn4lujwWgIrpeISxdBdsOlskp56JwgEyEt+dBUloFQG8agiRKyjl27ZDCBu5y95wIy CvbjkAAUvqGfvS6/9JajhConHPfpZECJOVbp9kWgBOc= ) ; keytag 16545 ncbi.nlm.nih.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAZpv1rD4NfzPl48ycuzC23w9Oz5w+DJTGuSo4aY6Hjs5McEkMGafG+f+/KVKQJNGOLc3sz0N RWN8O87f4zbS/ohcfYRe59lJdCqHVG1xfYrzGro0PXtqUlqNhBdwvJVeBODffYZAvKrot7RNADeZ 8DSS1EVUdQ+GwGx+KjRWfnUqjvj9wmn0IxWFlPmlAhmx8365k4nocmzgIFMdOWbCpmojzRAqP26+ +AACtPzurFZ1UDp+gr0TnCHYJjTKno7K0she8b0n2QaCPZ4e29P0NUsfCsoPnYzy9CzuLAnl36YW KbmS1lVDYAlRh6LAjA4xDeqgfMsmAjncDYvYqN+ZJ80= ) ; keytag 38815 ncbi.nlm.nih.gov. 3600 IN RRSIG ( DNSKEY 8 4 3600 20260108013106 20251214011202 38815 ncbi.nlm.nih.gov. do0MaXv0TOlUxV33MHmrUoRsNdaV4pqVlaqS6vccjD3Q4CHMiZrkORG1nftzi49r16gnyHEIqGjk TU1mlR6LoVeP0mQU7oIikK7W/rxPQWxUwa6aOist54zTaVbk+VN7ub51ZsxzrYbZ2mVhpmJl5OJL 061wS1WEUgUX4x7Y/grrZLxNLHNDW+q6XmR8M0QqtDjoxbYkYHU7sWfr1kzqSVUs1VgLB55h36t8 CFjDYygPD4nOnKkqCbPbTwmzO+jnPgZKkLgq7T0dlOU/AHALpsdZfebXgcHJF3jxtThuikLeGyNB LGByGxZcuUC/zLDYdDqX/TL4bEbvdLEUqwj7bg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for ncbi.nlm.nih.gov
	`ncbi.nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAckbjcIcrq6FtRGMe7V+tGEUQ4qLIBOkJphv9sf4mSEKnS2gewnpk5VaneemJg5K9WhHKfk6 IcFkuliVe0BrshwCbiDyEiN2u6mmYO9qGROOLWQAfcpE2l1P4XdJ9GfT57CL8ilu/myAuo6MgPXn 94CAXBPPVg9cNl9Q5QsQPSyYXdjcJUerLYo0QAcb7GRHlCor/nWxUX+BKZ7gvcl1zo1HYPinKP54 vGDYI5AFqBYn4lujwWgIrpeISxdBdsOlskp56JwgEyEt+dBUloFQG8agiRKyjl27ZDCBu5y95wIy CvbjkAAUvqGfvS6/9JajhConHPfpZECJOVbp9kWgBOc= ) ; keytag 16545`
	`ncbi.nlm.nih.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAZpv1rD4NfzPl48ycuzC23w9Oz5w+DJTGuSo4aY6Hjs5McEkMGafG+f+/KVKQJNGOLc3sz0N RWN8O87f4zbS/ohcfYRe59lJdCqHVG1xfYrzGro0PXtqUlqNhBdwvJVeBODffYZAvKrot7RNADeZ 8DSS1EVUdQ+GwGx+KjRWfnUqjvj9wmn0IxWFlPmlAhmx8365k4nocmzgIFMdOWbCpmojzRAqP26+ +AACtPzurFZ1UDp+gr0TnCHYJjTKno7K0she8b0n2QaCPZ4e29P0NUsfCsoPnYzy9CzuLAnl36YW KbmS1lVDYAlRh6LAjA4xDeqgfMsmAjncDYvYqN+ZJ80= ) ; keytag 38815`
	DNSKEY=38815/SEP is now in the chain-of-trust
	DS=38815/SHA-256 verifies DNSKEY=38815/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`ncbi.nlm.nih.gov. 3600 IN RRSIG ( DNSKEY 8 4 3600 20260108013106 20251214011202 38815 ncbi.nlm.nih.gov. do0MaXv0TOlUxV33MHmrUoRsNdaV4pqVlaqS6vccjD3Q4CHMiZrkORG1nftzi49r16gnyHEIqGjk TU1mlR6LoVeP0mQU7oIikK7W/rxPQWxUwa6aOist54zTaVbk+VN7ub51ZsxzrYbZ2mVhpmJl5OJL 061wS1WEUgUX4x7Y/grrZLxNLHNDW+q6XmR8M0QqtDjoxbYkYHU7sWfr1kzqSVUs1VgLB55h36t8 CFjDYygPD4nOnKkqCbPbTwmzO+jnPgZKkLgq7T0dlOU/AHALpsdZfebXgcHJF3jxtThuikLeGyNB LGByGxZcuUC/zLDYdDqX/TL4bEbvdLEUqwj7bg== )`
	RRSIG=38815 and DNSKEY=38815/SEP verifies the DNSKEY RRset
	DNSKEY=16545 is now in the chain-of-trust
	Query to ns.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 372 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 372 octets ;; HEADER SECTION ;; id = 46653 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to dns1-ncbi.ncbi.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 801 bytes from 130.14.29.31
	;; Response received from [130.14.29.31] 801 octets ;; HEADER SECTION ;; id = 58611 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 4 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1024, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 5 73791c0e84404826 i6m1q6e3oiavtkis69o7avu7v661t2jq A AAAA RRSIG ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260121233417 20251227231022 16545 ncbi.nlm.nih.gov. wARWrA3bz/kBOTWV54OQPsColsseAwDjnZh4T/99jHZ+V18RIkpga89/GkttkYCascFMl8/UbOTF CfPOt3CXPnY5Mjco1aFfRzSdq0pH0+s7YweJytRbhR949qUM4SYWuc591csZjMzv8Y5McF2zTUES +z/EnkXtClqR9E3RDSg+Bal6rIeis9cAmTD+Smyej7fwfNJK6x+5E3Y6RGbIQKQ5fFsidyt+SazG 9kry73X0F0G2G5EjGWX5gOSHURWfjVcqKRDmnuP625Q4CTAImprPYamtyK3Tyd7T3NoW3yCByt5g GHsqe24dFBs5jx4EKOQopXTCug6gFxWgwD+Nyg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found RRSIG signed by ncbi.nlm.nih.gov zone
	Query to lhcns2.nlm.nih.gov for ncbi.nlm.nih.gov/SOA
	Received 941 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 941 octets ;; HEADER SECTION ;; id = 3390 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN SOA ;; ANSWER SECTION (2 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	Query to dns2-ncbi.ncbi.nlm.nih.gov for ncbi.nlm.nih.gov/SOA
	Received 935 bytes from 130.14.29.32
	;; Response received from [130.14.29.32] 935 octets ;; HEADER SECTION ;; id = 15293 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1024, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN SOA ;; ANSWER SECTION (2 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	Query to ns3.nih.gov for ncbi.nlm.nih.gov/SOA
	Received 403 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 403 octets ;; HEADER SECTION ;; id = 46348 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN SOA ;; ANSWER SECTION (2 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns2.nih.gov for ncbi.nlm.nih.gov/SOA
	Received 403 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 403 octets ;; HEADER SECTION ;; id = 43370 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN SOA ;; ANSWER SECTION (2 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns1-ncbi.ncbi.nlm.nih.gov for ncbi.nlm.nih.gov/SOA
	Received 935 bytes from 130.14.29.31
	;; Response received from [130.14.29.31] 935 octets ;; HEADER SECTION ;; id = 8376 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1024, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN SOA ;; ANSWER SECTION (2 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	Query to lhcns1.nlm.nih.gov for ncbi.nlm.nih.gov/SOA
	Received 941 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 941 octets ;; HEADER SECTION ;; id = 35698 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN SOA ;; ANSWER SECTION (2 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	Query to ns.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 372 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 372 octets ;; HEADER SECTION ;; id = 40421 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	pubmed.ncbi.nlm.nih.gov A RR has value 34.107.134.59
	Found 1 RRSIGs over A RRset
	`pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== )`
	RRSIG=16545 and DNSKEY=16545 verifies the A RRset

ncbi.nlm.nih.gov

	Query to dns2-ncbi.ncbi.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 914 bytes from 130.14.29.32
	;; Response received from [130.14.29.32] 914 octets ;; HEADER SECTION ;; id = 24810 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1024, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	dns2-ncbi.ncbi.nlm.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to dns2-ncbi.ncbi.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 801 bytes from 130.14.29.32
	;; Response received from [130.14.29.32] 801 octets ;; HEADER SECTION ;; id = 1491 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 4 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1024, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 5 73791c0e84404826 i6m1q6e3oiavtkis69o7avu7v661t2jq A AAAA RRSIG ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260121233417 20251227231022 16545 ncbi.nlm.nih.gov. wARWrA3bz/kBOTWV54OQPsColsseAwDjnZh4T/99jHZ+V18RIkpga89/GkttkYCascFMl8/UbOTF CfPOt3CXPnY5Mjco1aFfRzSdq0pH0+s7YweJytRbhR949qUM4SYWuc591csZjMzv8Y5McF2zTUES +z/EnkXtClqR9E3RDSg+Bal6rIeis9cAmTD+Smyej7fwfNJK6x+5E3Y6RGbIQKQ5fFsidyt+SazG 9kry73X0F0G2G5EjGWX5gOSHURWfjVcqKRDmnuP625Q4CTAImprPYamtyK3Tyd7T3NoW3yCByt5g GHsqe24dFBs5jx4EKOQopXTCug6gFxWgwD+Nyg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found RRSIG signed by ncbi.nlm.nih.gov zone
	Query to dns2-ncbi.ncbi.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 914 bytes from 130.14.29.32
	;; Response received from [130.14.29.32] 914 octets ;; HEADER SECTION ;; id = 18640 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1024, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	pubmed.ncbi.nlm.nih.gov A RR has value 34.107.134.59
	Found 1 RRSIGs over A RRset
	`pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== )`
	RRSIG=16545 and DNSKEY=16545 verifies the A RRset

ncbi.nlm.nih.gov

	Query to dns1-ncbi.ncbi.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 914 bytes from 130.14.29.31
	;; Response received from [130.14.29.31] 914 octets ;; HEADER SECTION ;; id = 63735 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1024, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	dns1-ncbi.ncbi.nlm.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to lhcns2.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 801 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 801 octets ;; HEADER SECTION ;; id = 5749 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 4 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 5 73791c0e84404826 i6m1q6e3oiavtkis69o7avu7v661t2jq A AAAA RRSIG ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260121233417 20251227231022 16545 ncbi.nlm.nih.gov. wARWrA3bz/kBOTWV54OQPsColsseAwDjnZh4T/99jHZ+V18RIkpga89/GkttkYCascFMl8/UbOTF CfPOt3CXPnY5Mjco1aFfRzSdq0pH0+s7YweJytRbhR949qUM4SYWuc591csZjMzv8Y5McF2zTUES +z/EnkXtClqR9E3RDSg+Bal6rIeis9cAmTD+Smyej7fwfNJK6x+5E3Y6RGbIQKQ5fFsidyt+SazG 9kry73X0F0G2G5EjGWX5gOSHURWfjVcqKRDmnuP625Q4CTAImprPYamtyK3Tyd7T3NoW3yCByt5g GHsqe24dFBs5jx4EKOQopXTCug6gFxWgwD+Nyg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found RRSIG signed by ncbi.nlm.nih.gov zone
	Query to dns1-ncbi.ncbi.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 914 bytes from 130.14.29.31
	;; Response received from [130.14.29.31] 914 octets ;; HEADER SECTION ;; id = 9602 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1024, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	pubmed.ncbi.nlm.nih.gov A RR has value 34.107.134.59
	Found 1 RRSIGs over A RRset
	`pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== )`
	RRSIG=16545 and DNSKEY=16545 verifies the A RRset

ncbi.nlm.nih.gov

	Query to lhcns1.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 920 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 920 octets ;; HEADER SECTION ;; id = 26877 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	lhcns1.nlm.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to lhcns2.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 801 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 801 octets ;; HEADER SECTION ;; id = 47004 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 4 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 5 73791c0e84404826 i6m1q6e3oiavtkis69o7avu7v661t2jq A AAAA RRSIG ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260121233417 20251227231022 16545 ncbi.nlm.nih.gov. wARWrA3bz/kBOTWV54OQPsColsseAwDjnZh4T/99jHZ+V18RIkpga89/GkttkYCascFMl8/UbOTF CfPOt3CXPnY5Mjco1aFfRzSdq0pH0+s7YweJytRbhR949qUM4SYWuc591csZjMzv8Y5McF2zTUES +z/EnkXtClqR9E3RDSg+Bal6rIeis9cAmTD+Smyej7fwfNJK6x+5E3Y6RGbIQKQ5fFsidyt+SazG 9kry73X0F0G2G5EjGWX5gOSHURWfjVcqKRDmnuP625Q4CTAImprPYamtyK3Tyd7T3NoW3yCByt5g GHsqe24dFBs5jx4EKOQopXTCug6gFxWgwD+Nyg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found RRSIG signed by ncbi.nlm.nih.gov zone
	Query to lhcns1.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 920 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 920 octets ;; HEADER SECTION ;; id = 63336 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	pubmed.ncbi.nlm.nih.gov A RR has value 34.107.134.59
	Found 1 RRSIGs over A RRset
	`pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== )`
	RRSIG=16545 and DNSKEY=16545 verifies the A RRset

ncbi.nlm.nih.gov

	Query to ns3.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 372 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 372 octets ;; HEADER SECTION ;; id = 30480 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns3.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to lhcns2.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 801 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 801 octets ;; HEADER SECTION ;; id = 53725 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 4 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 5 73791c0e84404826 i6m1q6e3oiavtkis69o7avu7v661t2jq A AAAA RRSIG ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260121233417 20251227231022 16545 ncbi.nlm.nih.gov. wARWrA3bz/kBOTWV54OQPsColsseAwDjnZh4T/99jHZ+V18RIkpga89/GkttkYCascFMl8/UbOTF CfPOt3CXPnY5Mjco1aFfRzSdq0pH0+s7YweJytRbhR949qUM4SYWuc591csZjMzv8Y5McF2zTUES +z/EnkXtClqR9E3RDSg+Bal6rIeis9cAmTD+Smyej7fwfNJK6x+5E3Y6RGbIQKQ5fFsidyt+SazG 9kry73X0F0G2G5EjGWX5gOSHURWfjVcqKRDmnuP625Q4CTAImprPYamtyK3Tyd7T3NoW3yCByt5g GHsqe24dFBs5jx4EKOQopXTCug6gFxWgwD+Nyg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found RRSIG signed by ncbi.nlm.nih.gov zone
	Query to ns3.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 372 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 372 octets ;; HEADER SECTION ;; id = 13923 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	pubmed.ncbi.nlm.nih.gov A RR has value 34.107.134.59
	Found 1 RRSIGs over A RRset
	`pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== )`
	RRSIG=16545 and DNSKEY=16545 verifies the A RRset

ncbi.nlm.nih.gov

	Query to lhcns2.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 920 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 920 octets ;; HEADER SECTION ;; id = 39766 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	lhcns2.nlm.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to ns2.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 801 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 801 octets ;; HEADER SECTION ;; id = 47708 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 4 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 5 73791c0e84404826 i6m1q6e3oiavtkis69o7avu7v661t2jq A AAAA RRSIG ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260121233417 20251227231022 16545 ncbi.nlm.nih.gov. wARWrA3bz/kBOTWV54OQPsColsseAwDjnZh4T/99jHZ+V18RIkpga89/GkttkYCascFMl8/UbOTF CfPOt3CXPnY5Mjco1aFfRzSdq0pH0+s7YweJytRbhR949qUM4SYWuc591csZjMzv8Y5McF2zTUES +z/EnkXtClqR9E3RDSg+Bal6rIeis9cAmTD+Smyej7fwfNJK6x+5E3Y6RGbIQKQ5fFsidyt+SazG 9kry73X0F0G2G5EjGWX5gOSHURWfjVcqKRDmnuP625Q4CTAImprPYamtyK3Tyd7T3NoW3yCByt5g GHsqe24dFBs5jx4EKOQopXTCug6gFxWgwD+Nyg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found RRSIG signed by ncbi.nlm.nih.gov zone
	Query to lhcns2.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 920 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 920 octets ;; HEADER SECTION ;; id = 8526 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 8 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260118130812 20251224125246 16545 ncbi.nlm.nih.gov. dpFibuYO3d0ZSv4bw7WsY0FMmThunkK7HYkpzfquaKQPf4DHG75JzAKbcMmki/1yWSy6zLS3ER95 MT6WPD9BwhC8hqHugbe179Ao01/23gPmGrzZ220wnnkXEME2cB51swIV1qSboiLH/952ESkWh36O EN4GXuFBLzvk34S33AoeNe+fFcPwNZ/edlcuTl6Gf4c4i+/piFo1l7g/cLZSVl7cHUnINbdDT9J1 Vou7YODPS2vRP9EZYyo7ODVsi9wM0m0N2IUcKJUTL7rGfxnLpkUUUuhcMM294JqyCTPN3zttUe1G jgUmzoDdDikpdlCcct5H+I/2ObE/TxloGqdnZg== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	pubmed.ncbi.nlm.nih.gov A RR has value 34.107.134.59
	Found 1 RRSIGs over A RRset
	`pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== )`
	RRSIG=16545 and DNSKEY=16545 verifies the A RRset

ncbi.nlm.nih.gov

	Query to ns2.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 372 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 372 octets ;; HEADER SECTION ;; id = 9490 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to ns2.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 801 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 801 octets ;; HEADER SECTION ;; id = 20548 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 4 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) ncbi.nlm.nih.gov. 86400 IN SOA ( dns1-ncbi.ncbi.nlm.nih.gov. systems.ncbi.nlm.nih.gov. 2025104688 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260122110805 20251228100805 16545 ncbi.nlm.nih.gov. OyrEa+jxZbseToljCGy8U5sARuh/wCEWGZjR8hk+0cL/vF64x0QsyrY0je45X9Mr4ateumEh0Kbt l++oc+vy4+EclEzoV+2PnIPKhOjECO54jYR1AVjWEQriN4n2sIlRxvGDt/6oIVdjIwgOhuockZQX 1qvqcY7XRj4kZfducGMVu0RDuFhYJIlJXIwz4lVZnYRZOImT7YlkkqXOacQncjgG6Nsp85Z7y4tM lkTtIse5JO96w9+42FN2mhJ5dVlKgqEuwGkd6w3BbdWFBYDoMpyn6qxJa/1VCMnx/8LxwXOENKiB 4lld59qDBs6hjAQIOPO2QgBI4Jz2H0pq3xWxSQ== ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 5 73791c0e84404826 i6m1q6e3oiavtkis69o7avu7v661t2jq A AAAA RRSIG ) I5S16HO2GD4C0MUAM9HFI6B15RB2HQK3.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260121233417 20251227231022 16545 ncbi.nlm.nih.gov. wARWrA3bz/kBOTWV54OQPsColsseAwDjnZh4T/99jHZ+V18RIkpga89/GkttkYCascFMl8/UbOTF CfPOt3CXPnY5Mjco1aFfRzSdq0pH0+s7YweJytRbhR949qUM4SYWuc591csZjMzv8Y5McF2zTUES +z/EnkXtClqR9E3RDSg+Bal6rIeis9cAmTD+Smyej7fwfNJK6x+5E3Y6RGbIQKQ5fFsidyt+SazG 9kry73X0F0G2G5EjGWX5gOSHURWfjVcqKRDmnuP625Q4CTAImprPYamtyK3Tyd7T3NoW3yCByt5g GHsqe24dFBs5jx4EKOQopXTCug6gFxWgwD+Nyg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found RRSIG signed by ncbi.nlm.nih.gov zone
	Query to ns2.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 372 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 372 octets ;; HEADER SECTION ;; id = 23660 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (2 records) pubmed.ncbi.nlm.nih.gov. 86400 IN A 34.107.134.59 pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	pubmed.ncbi.nlm.nih.gov A RR has value 34.107.134.59
	Found 1 RRSIGs over A RRset
	`pubmed.ncbi.nlm.nih.gov. 86400 IN RRSIG ( A 8 5 86400 20260114150541 20251220144754 16545 ncbi.nlm.nih.gov. YJ+IiADJweV4Bc++cFyzjzFAE75bPKhUNAOTd30+dfVQwp+sBp6vXQHZSUKxH8ra48KSqpTZN5H+ WM64lChcTou10D+CrmleqGSNkG+Trd79fBnNHCp/5fAKos9VquunevYu7XHciTDx923GqzYDpaCn 7wNiAP0mCJL+gBVQw9DDusy/m3h4ZfMvZWdnw/oNFoqETWzVY37kGuAztmArJPGlVb/DtAK6yRUi YXCjaY0bkSxIWCJ1CkuSiMFiUH2UjX85eY4tm+Q8UWvlb5ONrfdzySjvdrhbCp8V9VeyONsX0B/P Edh0Xuh+3kADRuCzyBXGRzGGg6QYGcZwMLDcXg== )`
	RRSIG=16545 and DNSKEY=16545 verifies the A RRset

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