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

Domain Name:

Time: 2026-03-28 22:08:03 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 c.root-servers.net for ./DNSKEY
	Received 1417 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 1417 octets ;; HEADER SECTION ;; id = 62402 ;; 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 ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN DNSKEY ( 256 3 8 AwEAAb5dDYffpgAJ8VUGLwQtWXPlQWsjIFJtCM00/XaKU+8ln+ofah3q2KxEIjvzQg+nqdxRj+8e mtPne1mtYcbFWP4Q9E+DniOJLK09R05FuzvGbrG7DDdRDUX/cedFdV7O8pFEAYpJqYNR9BCTIAV9 73DO2biauKSA31b7I2lK/woxoR1tf5cqJ4SMbJUviuHicAEoUi2ATswloZNWd5T5thmEFZnxFx7D 5UgKCY7oflS7+GU7dNJwEtmFnWYVETHN0kHXVz6aguouaAZp706YXNIoR/iTgQhmsR7XX+wL0Z8Q M2LxQIyU6vRZ06IyuJMGRMiwkSuGElbumyBt12JZbrU= ) ; keytag 54393 . 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 ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20260412000000 20260322000000 20326 . YJgCBpeAL7jQEYIpS6icQm/XxIy+DU5PNrAT61ive9t9bpx8YsZgKf13hlkg48EvTMjINiG0r8PJ j1SiVDpZizGDdz+7+ipByzsLS7qHj6DviI4GYErjVnXZs3LESvZE/LhSFxyafLjNs9M9elLqEY10 fB4e+L3dDwu0hFR/fTOcYq4euNXE9X46/PANxFWple8XU1L53cnxD0VtQvlkG12thsIKmvMAJ0PH CoWuuYVGS/OSbDxsAHqHEBfqDLD3qjOp5mXA7wguiePv/lPBF963xkfWwpkdFVa/LxlUFu2P/q9G 9lDQ/XvTqfghEQU4v8NBbmrA10HTVs6pVNiGLw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for .
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAb5dDYffpgAJ8VUGLwQtWXPlQWsjIFJtCM00/XaKU+8ln+ofah3q2KxEIjvzQg+nqdxRj+8e mtPne1mtYcbFWP4Q9E+DniOJLK09R05FuzvGbrG7DDdRDUX/cedFdV7O8pFEAYpJqYNR9BCTIAV9 73DO2biauKSA31b7I2lK/woxoR1tf5cqJ4SMbJUviuHicAEoUi2ATswloZNWd5T5thmEFZnxFx7D 5UgKCY7oflS7+GU7dNJwEtmFnWYVETHN0kHXVz6aguouaAZp706YXNIoR/iTgQhmsR7XX+wL0Z8Q M2LxQIyU6vRZ06IyuJMGRMiwkSuGElbumyBt12JZbrU= ) ; keytag 54393`
	`. 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 ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	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 20260412000000 20260322000000 20326 . YJgCBpeAL7jQEYIpS6icQm/XxIy+DU5PNrAT61ive9t9bpx8YsZgKf13hlkg48EvTMjINiG0r8PJ j1SiVDpZizGDdz+7+ipByzsLS7qHj6DviI4GYErjVnXZs3LESvZE/LhSFxyafLjNs9M9elLqEY10 fB4e+L3dDwu0hFR/fTOcYq4euNXE9X46/PANxFWple8XU1L53cnxD0VtQvlkG12thsIKmvMAJ0PH CoWuuYVGS/OSbDxsAHqHEBfqDLD3qjOp5mXA7wguiePv/lPBF963xkfWwpkdFVa/LxlUFu2P/q9G 9lDQ/XvTqfghEQU4v8NBbmrA10HTVs6pVNiGLw== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=38696/SEP is now in the chain-of-trust
	DNSKEY=54393 is now in the chain-of-trust
	DNSKEY=21831 is now in the chain-of-trust
	Query to h.root-servers.net for pubmed.ncbi.nlm.nih.gov/A
	Received 630 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 630 octets ;; HEADER SECTION ;; id = 63155 ;; 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) ;; 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 20260410170000 20260328160000 21831 . i4fu0tUtQiZVn9RsbYkMIQsF/pusL4kHi8t8cPKdL3wakKdOpm10/3hqs3yj+oYy/6/bfKn9zb46 sWJRfbWbdwN6oWeYcNVbsGu7yV9Ose6dGVc1PlfVlYIN1bJrvXxrbLVm3m9EZiaWKAkGnYoiyBhd kzLPQC9SrBt33Wc29OAV8dC96PJv3dQVTe9eBi6NnKcNyuDdB8PLKFMeUfmQA6sIJ+8hDU8H173a Lap78a12l4MTAsxy0Y8ydnmA5CEsNGcbvchQEkgX/2zo8Ecn92jv2r2G0/aof+wG6OGPdaManCUf OYod2ni0+X74BSljTiKSJ3Fcidd2ZOpqB6ebMQ== ) ;; 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 g.root-servers.net for gov/DNSKEY
	Received 613 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 613 octets ;; HEADER SECTION ;; id = 30997 ;; 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 b.ns.gov. gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20260410170000 20260328160000 21831 . i4fu0tUtQiZVn9RsbYkMIQsF/pusL4kHi8t8cPKdL3wakKdOpm10/3hqs3yj+oYy/6/bfKn9zb46 sWJRfbWbdwN6oWeYcNVbsGu7yV9Ose6dGVc1PlfVlYIN1bJrvXxrbLVm3m9EZiaWKAkGnYoiyBhd kzLPQC9SrBt33Wc29OAV8dC96PJv3dQVTe9eBi6NnKcNyuDdB8PLKFMeUfmQA6sIJ+8hDU8H173a Lap78a12l4MTAsxy0Y8ydnmA5CEsNGcbvchQEkgX/2zo8Ecn92jv2r2G0/aof+wG6OGPdaManCUf OYod2ni0+X74BSljTiKSJ3Fcidd2ZOpqB6ebMQ== ) ;; ADDITIONAL SECTION (9 records) d.ns.gov. 172800 IN A 199.33.233.1 c.ns.gov. 172800 IN A 199.33.232.1 b.ns.gov. 172800 IN A 199.33.231.1 a.ns.gov. 172800 IN A 199.33.230.1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 ;; { "EDNS-VERSION": 0 }
	Found child zone gov

gov

	Checking DS between . and gov
	Query to g.root-servers.net for gov/DS
	Received 367 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 367 octets ;; HEADER SECTION ;; id = 53829 ;; 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 20260410170000 20260328160000 21831 . i4fu0tUtQiZVn9RsbYkMIQsF/pusL4kHi8t8cPKdL3wakKdOpm10/3hqs3yj+oYy/6/bfKn9zb46 sWJRfbWbdwN6oWeYcNVbsGu7yV9Ose6dGVc1PlfVlYIN1bJrvXxrbLVm3m9EZiaWKAkGnYoiyBhd kzLPQC9SrBt33Wc29OAV8dC96PJv3dQVTe9eBi6NnKcNyuDdB8PLKFMeUfmQA6sIJ+8hDU8H173a Lap78a12l4MTAsxy0Y8ydnmA5CEsNGcbvchQEkgX/2zo8Ecn92jv2r2G0/aof+wG6OGPdaManCUf OYod2ni0+X74BSljTiKSJ3Fcidd2ZOpqB6ebMQ== ) ;; 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 20260410170000 20260328160000 21831 . i4fu0tUtQiZVn9RsbYkMIQsF/pusL4kHi8t8cPKdL3wakKdOpm10/3hqs3yj+oYy/6/bfKn9zb46 sWJRfbWbdwN6oWeYcNVbsGu7yV9Ose6dGVc1PlfVlYIN1bJrvXxrbLVm3m9EZiaWKAkGnYoiyBhd kzLPQC9SrBt33Wc29OAV8dC96PJv3dQVTe9eBi6NnKcNyuDdB8PLKFMeUfmQA6sIJ+8hDU8H173a Lap78a12l4MTAsxy0Y8ydnmA5CEsNGcbvchQEkgX/2zo8Ecn92jv2r2G0/aof+wG6OGPdaManCUf OYod2ni0+X74BSljTiKSJ3Fcidd2ZOpqB6ebMQ== )`
	RRSIG=21831 and DNSKEY=21831 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 a.ns.gov for gov/DNSKEY
	Received 291 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 291 octets ;; HEADER SECTION ;; id = 4363 ;; 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 20260512110627 20260312110627 2536 gov. Jp4xQtETAEvQ+3ijB95XRnj4yfrDt223TA90BAOvhR7hqWuK/FuykufDJxatoRQyDYeBGksCrHGt XkE32T4wTg== ) ;; 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 20260512110627 20260312110627 2536 gov. Jp4xQtETAEvQ+3ijB95XRnj4yfrDt223TA90BAOvhR7hqWuK/FuykufDJxatoRQyDYeBGksCrHGt XkE32T4wTg== )`
	RRSIG=2536 and DNSKEY=2536/SEP verifies the DNSKEY RRset
	DNSKEY=35496 is now in the chain-of-trust
	Query to c.ns.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 348 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 348 octets ;; HEADER SECTION ;; id = 10344 ;; 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 ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN DS ( 51547 8 2 b18e5d91bb477a4040d5cbfa22de598224340d0168856aefaeeedadd192bdcf5 ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20260329230803 20260327210803 35496 gov. vVAPWbrwz5yE3i6npiiu39JYrIboEJOz/PtRcVuTp0GvFF7n3I4ADnttgskLcVvGTs8wL0JqIjoa JqlmbfRRag== ) ;; 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 c.ns.gov for nih.gov/DNSKEY
	Received 332 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 332 octets ;; HEADER SECTION ;; id = 53597 ;; 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 ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN DS ( 51547 8 2 b18e5d91bb477a4040d5cbfa22de598224340d0168856aefaeeedadd192bdcf5 ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20260329230803 20260327210803 35496 gov. EO+2MzGH07Tb40jNnz91O5ed8AfIsB3JLO9g5xR87W91qvf4OUs4MjwgLuRwkB197DSLUT5qA2IW gepn+X0WwA== ) ;; 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 d.ns.gov for nih.gov/DS
	Received 231 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 231 octets ;; HEADER SECTION ;; id = 24858 ;; 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 ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN DS ( 51547 8 2 b18e5d91bb477a4040d5cbfa22de598224340d0168856aefaeeedadd192bdcf5 ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20260329230803 20260327210803 35496 gov. 7fi8vrOM1KXrBXzVjkxQ3Zu1jKkzMnd1+Hc7inmdTD0OUwMsI80UuX/sN9rL8/dYq0a6u6F6ijje dloDJSvnxA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DS records for nih.gov in the gov zone
	DS=36469/SHA-256 has algorithm RSASHA256
	DS=51547/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20260329230803 20260327210803 35496 gov. 7fi8vrOM1KXrBXzVjkxQ3Zu1jKkzMnd1+Hc7inmdTD0OUwMsI80UuX/sN9rL8/dYq0a6u6F6ijje dloDJSvnxA== )`
	RRSIG=35496 and DNSKEY=35496 verifies the DS RRset
	DS=36469/SHA-256 is now in the chain-of-trust
	DS=51547/SHA-256 is now in the chain-of-trust
	`nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed )`
	`nih.gov. 3600 IN DS ( 51547 8 2 b18e5d91bb477a4040d5cbfa22de598224340d0168856aefaeeedadd192bdcf5 )`
	Query to ns3.nih.gov for nih.gov/DNSKEY
	Received 1641 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 1641 octets ;; HEADER SECTION ;; id = 63560 ;; 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 = 7 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN DNSKEY ;; ANSWER SECTION (7 records) nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAaqjyQu6KqOmyma2de04HMhd2dHDFtFLVYCYe3guAIy1kEJ28qH4Nua9/akVmckeehtxzU0J NioEICTPzGK+2Qjq8McjUNEaLOMZ96dQMVTXGJIUfFkNTT2vc0BN6Ew49LBk+0L7ZpeAU2W/Aafo D3hR+KK7wWiTpl7i6BXo1Q6p ) ; keytag 1240 nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAcH/VMGQoPT4CO2U1S4pw9D7P4dE/7cQJBsr7ddykfDFG4fPxFm3HH2ck/QgHbe1BFrUsTy3 c4t3ZPIIY7lvnKGZea4QsWAkIHKhswL/n3Muau/YQSaMXrsxzdYETuckfg7Xxbq02BRdhQIRFl4M Vdnz2vHFAnC/vPYiHCD73HJD ) ; keytag 4693 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 ( 257 3 8 AwEAAa++YcItdlslCVNF3kTc2GSInUb7hqV0/XsQvE8tTd57LpjizdwFScEVuPc+c96vciAbVIHc tomn2+qWUX/xtHo6X4cDCfKrtl625iimZmxDFEMI+X3pSWlOwqzK/enlQ+HZSYDHL+8ci1LtD3Kc xExJo1REC8mjh2IS5ycuQ0TM2uU8ue66KXQGp/jhMFk37xsaH61BDU6ZZFZmPQizkl76adlj+bbq Z9i1jybnYrP6VFv1OUTyZZ0QEym8WkH8Coi1Fxepk8gb1/SCKDJvZKizoKsVyyWM4m5kOQOBNcMK HuL2815uko1hE+8BewpW6KEYkH3kTZXBpw0gTeFubnU= ) ; keytag 51547 nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260401080155 20260328073305 4693 nih.gov. tuTD+ip8XYxPoQpj6mZAgiu9GkjkxT6Fzf4BZp/OAUtkwneWrUysXvs1hWTvJT8E0NNfGr0eOdmz EETqosUT9MgAOcnPj56/stSDt6BIbdwiv4bSYbuzeH41kbyHNvmWHLTAtjCaA00cb01562WzvKu0 oHFerdPoTnhQGBIi/Vk= ) nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260401080155 20260328073305 36469 nih.gov. knQnFe8g6qp1Tx67+CdAPhdqt8wklf4yimaW7t/SxQHV9OfCFK+twRSxXs+JPEaBCs8H4NNlRuq/ /oltLERYIhmbXsJ/PMTh1p8px6j+czQLo84Et73EVkWRH8ATBTSwfiFoeqPAFvPpU5isic+AA7jG ZqrTvPsvlocGQPsQU47jwv4o5LzV60MMEOHZqD2XYP/A+ygW1E5zaftFCXsiq+yqJTpzL9LSgIJ6 KXjYthqchD1ZX00fbKordHJGoZZGn4d7yjXr5uoJ1/dF/655UQaYffFSau/jcvgGIlycqID9JfCx LwuI/s3satAnkcOeQDL0157TgTTV0mhlVWQziA== ) nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260401080155 20260328073305 51547 nih.gov. qF/GCk371XPcJm1KiH8UdTp3/H3uYbGitkdofbUr2TfagE79e4WSBrlQG1Aytu9Dy1jtAUJWvpCY luGFTBcbVejruo3zCGqp5W0MHUTOP9evejSrnFSShw68XcpfQcznU5n/40+Zn2CoHfl3QHT4pOlq ikT+tB4pDkoHN58cX/dj1rXkGvQsSjoo4voy7osBfYijcAmOK1wvgaMAlAO0YLQkMJBtMI5EzdMU 1j+YKuff5FG/cHPi7Cq9Ham2VjJ9mymVgTjgQwk8V+9/BCDzy8pOeCTctHS+fG2BOClKntnLL7Oi 8V3HVjfzlDJGWuNLy8W062/7a6NrWwNOugVfvg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for nih.gov
	`nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAaqjyQu6KqOmyma2de04HMhd2dHDFtFLVYCYe3guAIy1kEJ28qH4Nua9/akVmckeehtxzU0J NioEICTPzGK+2Qjq8McjUNEaLOMZ96dQMVTXGJIUfFkNTT2vc0BN6Ew49LBk+0L7ZpeAU2W/Aafo D3hR+KK7wWiTpl7i6BXo1Q6p ) ; keytag 1240`
	`nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAcH/VMGQoPT4CO2U1S4pw9D7P4dE/7cQJBsr7ddykfDFG4fPxFm3HH2ck/QgHbe1BFrUsTy3 c4t3ZPIIY7lvnKGZea4QsWAkIHKhswL/n3Muau/YQSaMXrsxzdYETuckfg7Xxbq02BRdhQIRFl4M Vdnz2vHFAnC/vPYiHCD73HJD ) ; keytag 4693`
	`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 ( 257 3 8 AwEAAa++YcItdlslCVNF3kTc2GSInUb7hqV0/XsQvE8tTd57LpjizdwFScEVuPc+c96vciAbVIHc tomn2+qWUX/xtHo6X4cDCfKrtl625iimZmxDFEMI+X3pSWlOwqzK/enlQ+HZSYDHL+8ci1LtD3Kc xExJo1REC8mjh2IS5ycuQ0TM2uU8ue66KXQGp/jhMFk37xsaH61BDU6ZZFZmPQizkl76adlj+bbq Z9i1jybnYrP6VFv1OUTyZZ0QEym8WkH8Coi1Fxepk8gb1/SCKDJvZKizoKsVyyWM4m5kOQOBNcMK HuL2815uko1hE+8BewpW6KEYkH3kTZXBpw0gTeFubnU= ) ; keytag 51547`
	DNSKEY=36469/SEP is now in the chain-of-trust
	DS=36469/SHA-256 verifies DNSKEY=36469/SEP
	DNSKEY=51547/SEP is now in the chain-of-trust
	DS=51547/SHA-256 verifies DNSKEY=51547/SEP
	Found 3 RRSIGs over DNSKEY RRset
	`nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260401080155 20260328073305 4693 nih.gov. tuTD+ip8XYxPoQpj6mZAgiu9GkjkxT6Fzf4BZp/OAUtkwneWrUysXvs1hWTvJT8E0NNfGr0eOdmz EETqosUT9MgAOcnPj56/stSDt6BIbdwiv4bSYbuzeH41kbyHNvmWHLTAtjCaA00cb01562WzvKu0 oHFerdPoTnhQGBIi/Vk= )`
	`nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260401080155 20260328073305 36469 nih.gov. knQnFe8g6qp1Tx67+CdAPhdqt8wklf4yimaW7t/SxQHV9OfCFK+twRSxXs+JPEaBCs8H4NNlRuq/ /oltLERYIhmbXsJ/PMTh1p8px6j+czQLo84Et73EVkWRH8ATBTSwfiFoeqPAFvPpU5isic+AA7jG ZqrTvPsvlocGQPsQU47jwv4o5LzV60MMEOHZqD2XYP/A+ygW1E5zaftFCXsiq+yqJTpzL9LSgIJ6 KXjYthqchD1ZX00fbKordHJGoZZGn4d7yjXr5uoJ1/dF/655UQaYffFSau/jcvgGIlycqID9JfCx LwuI/s3satAnkcOeQDL0157TgTTV0mhlVWQziA== )`
	`nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260401080155 20260328073305 51547 nih.gov. qF/GCk371XPcJm1KiH8UdTp3/H3uYbGitkdofbUr2TfagE79e4WSBrlQG1Aytu9Dy1jtAUJWvpCY luGFTBcbVejruo3zCGqp5W0MHUTOP9evejSrnFSShw68XcpfQcznU5n/40+Zn2CoHfl3QHT4pOlq ikT+tB4pDkoHN58cX/dj1rXkGvQsSjoo4voy7osBfYijcAmOK1wvgaMAlAO0YLQkMJBtMI5EzdMU 1j+YKuff5FG/cHPi7Cq9Ham2VjJ9mymVgTjgQwk8V+9/BCDzy8pOeCTctHS+fG2BOClKntnLL7Oi 8V3HVjfzlDJGWuNLy8W062/7a6NrWwNOugVfvg== )`
	RRSIG=4693 and DNSKEY=4693 verifies the DNSKEY RRset
	RRSIG=36469 and DNSKEY=36469/SEP verifies the DNSKEY RRset
	RRSIG=51547 and DNSKEY=51547/SEP verifies the DNSKEY RRset
	DNSKEY=1240 is now in the chain-of-trust
	DNSKEY=4693 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 = 3413 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to ns2.nih.gov for nlm.nih.gov/DNSKEY
	Received 911 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 911 octets ;; HEADER SECTION ;; id = 24659 ;; 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 = 4 ;; 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 (4 records) nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAY8OG1ZsZp+/XZ8q7/z40T7BfymPzfPF8OCeQRZzM5ObAP9dd0lseHc26IDSd6msDWcsuNUd MRA4n1oZGj8YtE/MnqhTJGMeY+M2EfdYBdsx5jOiczG1VH7FJErzPBXOlGy5RoJUDTOix9WoCnr7 ctHqaHrVtb7jRwNcVHQla1n/ ) ; keytag 10426 nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAcz1YRq9AQXTD86v56rTzn/H+vACqFSTYAk1gzGXKGKmf60ZZg1cXbRAE85IyjjzPgMorAT1 N6M6KU3I3UfK1HI6TMC7PjuBZSmTOwVvDtf4ZkdvNTLeiOT6snEG34MMaf0xex9XDhOZo/QHqPTI t2zuHybvWLo/PMlxNvfjR0fj ) ; keytag 13171 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 20260413092025 20260327100006 39122 nlm.nih.gov. KgQQW2JYEyiYzkhbNAQaAs37f6WkvlQNTXSmToicCeNn+5Sc4l0Q5CyQ0PCdEIEtEbiw8D/BgR8h 8pVAAdDxMUkWLpySAkcIAeSlQOkFwoNYtJkmKEQ/O75oaEuIk2znWfOg9+lAiZJ4t99M4c4ygn+M 89j59KBsJ1gje9enjMy4wc94EyQUHQUXAD4nsB7ArwzxClb3ItU+jbyTex1cOWZA0OXXjITmYA7c xjZFkSShDBmc8fMuLmHmLIqfyEeNmh2lfOP1Ij1wN3YnKDLjCM3rSJDlsSPHMPtx5BhNLabU945O vzyRLWTd+fQK9b+IPFyWeHr/OJ1BII5Pkh1euQ== ) ;; 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 ns2.nih.gov for nlm.nih.gov/NS
	Received 1078 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 1078 octets ;; HEADER SECTION ;; id = 26498 ;; 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 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 ns2.nih.gov. nlm.nih.gov. 86400 IN NS lhcns2.nlm.nih.gov. nlm.nih.gov. 86400 IN RRSIG ( NS 8 3 86400 20260416092516 20260317092302 13171 nlm.nih.gov. vKMPgXYYmd105aJoGOPV33N3+s9y1tBMo1RqprVKk0foeKz2NVa1aM8T76T6U9U96o4l0dKFLEix EGPhV2gCz0IscocXnGSdbBmn0G0ZArjnLVpp733CpKYhHb8XHTp+j/F+mqw17oYWyLSzIdRh0X+u /nj+Zml2XLQJgHrG/Ak= ) ;; 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 20260416102848 20260317093825 13171 nlm.nih.gov. XxS09GiUhklQ9aZVhlDEzAw+fLlfQzDqdUsnf2TzzIYKTMc9jdqAe3jjSRiDTVkQOlJn0gC27Y+x z7cis69y3VglwKwA6XtKaU8eOc7x+JPZlo7RFtMOymHSquvNuc/apXJHDgFqQA9RmSgVWTFyx0lI QWkzsCurIlK2qlEBTIY= ) lhcns1.nlm.nih.gov. 3600 IN RRSIG ( AAAA 8 4 3600 20260416102848 20260317093825 13171 nlm.nih.gov. QygVoH4qHI1NBDXIQSly2xXFcMGPgU8pLPuCUFALnvrIP36oJ3O8mDo26tE3WYVLP/8cAC6NHXEh M4AYlwYl7SVSoZZZ+gwUrhTx+STbAPaofwdVphHCZ7ODenwYKhc2rY4tNEKjNPgu3C3hK2Vdf+6y 8L/5qXC82ntgC1QsJ2I= ) lhcns2.nlm.nih.gov. 3600 IN RRSIG ( A 8 4 3600 20260416093708 20260317092304 13171 nlm.nih.gov. CqsNEO5ffhGzUzHjPMOMja4r+eOlMZLqQ+427jBprFzaY8iG3cwR93Ny6gLtNbY1OlYLC8tdaaEs NMystE+tcOnxUiSjlALKqSFvtN6aXsX/aWcqUO9Et9q16mrHOxAo6Rw6PqiPf9OjNOuN8T0GceHL WT+JoJqEAyI490mFphg= ) lhcns2.nlm.nih.gov. 3600 IN RRSIG ( AAAA 8 4 3600 20260416095106 20260317092302 13171 nlm.nih.gov. y3x53kW8R23dQUfRHmlyuNqN6DEyeEr3wCneLEbVlUhk0gdHzxPW/GgjrA6XCr7OH1gsoOcgitvP ompNjELIbwHp9fdZf/tVnn+gLZP0kjEaiGovlHKvOB+ApBKP0FQl/nBGtAKNR5UnrbGtlmIX2Jaj H/VSLcoX5iZ8OONuPWY= ) ;; { "EDNS-VERSION": 0 }
	Found nlm.nih.gov nameservers: lhcns1.nlm.nih.gov, ns.nih.gov, ns3.nih.gov, ns2.nih.gov, lhcns2.nlm.nih.gov

nlm.nih.gov

	Checking DS between nih.gov and nlm.nih.gov
	Query to ns2.nih.gov for nlm.nih.gov/DS
	Received 255 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 255 octets ;; HEADER SECTION ;; id = 59157 ;; 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) ;; nlm.nih.gov. IN DS ;; ANSWER SECTION (2 records) nlm.nih.gov. 7200 IN DS ( 39122 8 2 aea70e256fbc9eed1b7efc4c34986409739512539aad03b5330732b9ef72588e ) nlm.nih.gov. 7200 IN RRSIG ( DS 8 3 7200 20260401093619 20260328093347 4693 nih.gov. jEV9Lwl8o5sCkYsluM1r3OEzR3qm50+sny9aCllJTpNa4PrAvvgQnYCPmT1mWd1j7E1HzhNepv3w M6YOXilegyXrQJtGRyhrT0tzN09YR3E7Z0x1TIwn28rgem7J6e/n6CYI7zvKK+HrDpZHDMZCQ4Q0 Zn4rlQpvGxci5fQNkLk= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for nlm.nih.gov in the nih.gov zone
	DS=39122/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`nlm.nih.gov. 7200 IN RRSIG ( DS 8 3 7200 20260401093619 20260328093347 4693 nih.gov. jEV9Lwl8o5sCkYsluM1r3OEzR3qm50+sny9aCllJTpNa4PrAvvgQnYCPmT1mWd1j7E1HzhNepv3w M6YOXilegyXrQJtGRyhrT0tzN09YR3E7Z0x1TIwn28rgem7J6e/n6CYI7zvKK+HrDpZHDMZCQ4Q0 Zn4rlQpvGxci5fQNkLk= )`
	RRSIG=4693 and DNSKEY=4693 verifies the DS RRset
	DS=39122/SHA-256 is now in the chain-of-trust
	`nlm.nih.gov. 7200 IN DS ( 39122 8 2 aea70e256fbc9eed1b7efc4c34986409739512539aad03b5330732b9ef72588e )`
	Query to ns2.nih.gov for nlm.nih.gov/DNSKEY
	Received 911 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 911 octets ;; HEADER SECTION ;; id = 51942 ;; 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 = 4 ;; 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 (4 records) nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAcz1YRq9AQXTD86v56rTzn/H+vACqFSTYAk1gzGXKGKmf60ZZg1cXbRAE85IyjjzPgMorAT1 N6M6KU3I3UfK1HI6TMC7PjuBZSmTOwVvDtf4ZkdvNTLeiOT6snEG34MMaf0xex9XDhOZo/QHqPTI t2zuHybvWLo/PMlxNvfjR0fj ) ; keytag 13171 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 AwEAAY8OG1ZsZp+/XZ8q7/z40T7BfymPzfPF8OCeQRZzM5ObAP9dd0lseHc26IDSd6msDWcsuNUd MRA4n1oZGj8YtE/MnqhTJGMeY+M2EfdYBdsx5jOiczG1VH7FJErzPBXOlGy5RoJUDTOix9WoCnr7 ctHqaHrVtb7jRwNcVHQla1n/ ) ; keytag 10426 nlm.nih.gov. 3600 IN RRSIG ( DNSKEY 8 3 3600 20260413092025 20260327100006 39122 nlm.nih.gov. KgQQW2JYEyiYzkhbNAQaAs37f6WkvlQNTXSmToicCeNn+5Sc4l0Q5CyQ0PCdEIEtEbiw8D/BgR8h 8pVAAdDxMUkWLpySAkcIAeSlQOkFwoNYtJkmKEQ/O75oaEuIk2znWfOg9+lAiZJ4t99M4c4ygn+M 89j59KBsJ1gje9enjMy4wc94EyQUHQUXAD4nsB7ArwzxClb3ItU+jbyTex1cOWZA0OXXjITmYA7c xjZFkSShDBmc8fMuLmHmLIqfyEeNmh2lfOP1Ij1wN3YnKDLjCM3rSJDlsSPHMPtx5BhNLabU945O vzyRLWTd+fQK9b+IPFyWeHr/OJ1BII5Pkh1euQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for nlm.nih.gov
	`nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAcz1YRq9AQXTD86v56rTzn/H+vACqFSTYAk1gzGXKGKmf60ZZg1cXbRAE85IyjjzPgMorAT1 N6M6KU3I3UfK1HI6TMC7PjuBZSmTOwVvDtf4ZkdvNTLeiOT6snEG34MMaf0xex9XDhOZo/QHqPTI t2zuHybvWLo/PMlxNvfjR0fj ) ; keytag 13171`
	`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 AwEAAY8OG1ZsZp+/XZ8q7/z40T7BfymPzfPF8OCeQRZzM5ObAP9dd0lseHc26IDSd6msDWcsuNUd MRA4n1oZGj8YtE/MnqhTJGMeY+M2EfdYBdsx5jOiczG1VH7FJErzPBXOlGy5RoJUDTOix9WoCnr7 ctHqaHrVtb7jRwNcVHQla1n/ ) ; keytag 10426`
	DNSKEY=39122/SEP is now in the chain-of-trust
	DS=39122/SHA-256 verifies DNSKEY=39122/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`nlm.nih.gov. 3600 IN RRSIG ( DNSKEY 8 3 3600 20260413092025 20260327100006 39122 nlm.nih.gov. KgQQW2JYEyiYzkhbNAQaAs37f6WkvlQNTXSmToicCeNn+5Sc4l0Q5CyQ0PCdEIEtEbiw8D/BgR8h 8pVAAdDxMUkWLpySAkcIAeSlQOkFwoNYtJkmKEQ/O75oaEuIk2znWfOg9+lAiZJ4t99M4c4ygn+M 89j59KBsJ1gje9enjMy4wc94EyQUHQUXAD4nsB7ArwzxClb3ItU+jbyTex1cOWZA0OXXjITmYA7c xjZFkSShDBmc8fMuLmHmLIqfyEeNmh2lfOP1Ij1wN3YnKDLjCM3rSJDlsSPHMPtx5BhNLabU945O vzyRLWTd+fQK9b+IPFyWeHr/OJ1BII5Pkh1euQ== )`
	RRSIG=39122 and DNSKEY=39122/SEP verifies the DNSKEY RRset
	DNSKEY=13171 is now in the chain-of-trust
	DNSKEY=10426 is now in the chain-of-trust
	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 = 19407 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.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 = 22591 ;; 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 ( 257 3 8 AwEAAZpv1rD4NfzPl48ycuzC23w9Oz5w+DJTGuSo4aY6Hjs5McEkMGafG+f+/KVKQJNGOLc3sz0N RWN8O87f4zbS/ohcfYRe59lJdCqHVG1xfYrzGro0PXtqUlqNhBdwvJVeBODffYZAvKrot7RNADeZ 8DSS1EVUdQ+GwGx+KjRWfnUqjvj9wmn0IxWFlPmlAhmx8365k4nocmzgIFMdOWbCpmojzRAqP26+ +AACtPzurFZ1UDp+gr0TnCHYJjTKno7K0she8b0n2QaCPZ4e29P0NUsfCsoPnYzy9CzuLAnl36YW KbmS1lVDYAlRh6LAjA4xDeqgfMsmAjncDYvYqN+ZJ80= ) ; keytag 38815 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 RRSIG ( DNSKEY 8 4 3600 20260421215647 20260327212248 38815 ncbi.nlm.nih.gov. McXNg2Oi5N15dqkgX5oyIVrziT7IHG9UC5m2cpI7zaf6WdVfuCDayWKFwOHPrAQAKoZCrTk1vcSk w0pgjRSCorhNLK09qBPJPhB5tUquNGhtLojZHhoMeoxPyVFfj27MN+Hjcbo1D1qN1CIcDIkv0EBW Flj9HDCM9Jk0jEDqIExE0nWINmxowJkO+GdzOYaySki3zHJB6ibHpbhf2RdHEzDojZSFtsXbQs4r aeB+kWeExeBHjPSg6dNKIUShJktX/1/zBCta/8kouSJTtkoySdJSPxMcDwHPIyoSYqwb7L085wV/ 9tYzY/5KuMVmVzZ3Ee1qDH6VwL8StfOdt24iYQ== ) ;; 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 lhcns1.nlm.nih.gov for ncbi.nlm.nih.gov/NS
	Received 897 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 897 octets ;; HEADER SECTION ;; id = 8317 ;; 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 ns3.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 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 ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 20260410020531 20260316015321 16545 ncbi.nlm.nih.gov. nsXhVnNFjihiYQhTm0wAOOZgCZZWOXJQ5SR3mOIfFjE7Bvv4+ZzCLBPUs2fGjTdc3Sn7hOpEYsHx /rNlDPZTXBxlWXnpCT4AXCqXMi69VFnXIuX+S8d7hBStUTz2Jl0WWKJUid/MItVbcpz6t/1Nfl7o Cec6oGJeemC35oQy9e5/9qFUhvbGfNhCu8D0qhrV0nNGTmUqBEPBpAcGReWM9XoC7jHBtlUjqQJT s4jadfjTnPBQgW/RWAmzT4/Xpdf09Jb56Dfsf8lAjxJKj16m0HQ+YrU2MDT6nWmhOaxTCaFjz77f kh9Q46Uf6vV9JRvyneD16Nj4stc8NGHmq5ZHtg== ) ;; { "EDNS-VERSION": 0 }
	Found ncbi.nlm.nih.gov nameservers: ns3.nih.gov, ns.nih.gov, lhcns1.nlm.nih.gov, lhcns2.nlm.nih.gov, dns1-ncbi.ncbi.nlm.nih.gov, dns2-ncbi.ncbi.nlm.nih.gov, ns2.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 = 18068 ;; 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 20260416094653 20260317093142 13171 nlm.nih.gov. lBSFn75hNSd+E1m1TCDWsnMg01X7uYTwwu/XcPeso11Pct0xOLOFQDhgyKcRAmjVDzFwg1bx+nWe QbetMkqNnp/sexkisKK6Mf+f0u6DWsljqDWOeSoNRvUOuKXndiHN+kBUs8dM6gtqOKb3diQYnzXF rkBnmXU4W+3Ekb4Vuuk= ) ;; 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 20260416094653 20260317093142 13171 nlm.nih.gov. lBSFn75hNSd+E1m1TCDWsnMg01X7uYTwwu/XcPeso11Pct0xOLOFQDhgyKcRAmjVDzFwg1bx+nWe QbetMkqNnp/sexkisKK6Mf+f0u6DWsljqDWOeSoNRvUOuKXndiHN+kBUs8dM6gtqOKb3diQYnzXF rkBnmXU4W+3Ekb4Vuuk= )`
	RRSIG=13171 and DNSKEY=13171 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 lhcns2.nlm.nih.gov for ncbi.nlm.nih.gov/DNSKEY
	Received 901 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 901 octets ;; HEADER SECTION ;; id = 34940 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (3 records) 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 DNSKEY ( 256 3 8 AwEAAckbjcIcrq6FtRGMe7V+tGEUQ4qLIBOkJphv9sf4mSEKnS2gewnpk5VaneemJg5K9WhHKfk6 IcFkuliVe0BrshwCbiDyEiN2u6mmYO9qGROOLWQAfcpE2l1P4XdJ9GfT57CL8ilu/myAuo6MgPXn 94CAXBPPVg9cNl9Q5QsQPSyYXdjcJUerLYo0QAcb7GRHlCor/nWxUX+BKZ7gvcl1zo1HYPinKP54 vGDYI5AFqBYn4lujwWgIrpeISxdBdsOlskp56JwgEyEt+dBUloFQG8agiRKyjl27ZDCBu5y95wIy CvbjkAAUvqGfvS6/9JajhConHPfpZECJOVbp9kWgBOc= ) ; keytag 16545 ncbi.nlm.nih.gov. 3600 IN RRSIG ( DNSKEY 8 4 3600 20260421215647 20260327212248 38815 ncbi.nlm.nih.gov. McXNg2Oi5N15dqkgX5oyIVrziT7IHG9UC5m2cpI7zaf6WdVfuCDayWKFwOHPrAQAKoZCrTk1vcSk w0pgjRSCorhNLK09qBPJPhB5tUquNGhtLojZHhoMeoxPyVFfj27MN+Hjcbo1D1qN1CIcDIkv0EBW Flj9HDCM9Jk0jEDqIExE0nWINmxowJkO+GdzOYaySki3zHJB6ibHpbhf2RdHEzDojZSFtsXbQs4r aeB+kWeExeBHjPSg6dNKIUShJktX/1/zBCta/8kouSJTtkoySdJSPxMcDwHPIyoSYqwb7L085wV/ 9tYzY/5KuMVmVzZ3Ee1qDH6VwL8StfOdt24iYQ== ) ;; 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 ( 257 3 8 AwEAAZpv1rD4NfzPl48ycuzC23w9Oz5w+DJTGuSo4aY6Hjs5McEkMGafG+f+/KVKQJNGOLc3sz0N RWN8O87f4zbS/ohcfYRe59lJdCqHVG1xfYrzGro0PXtqUlqNhBdwvJVeBODffYZAvKrot7RNADeZ 8DSS1EVUdQ+GwGx+KjRWfnUqjvj9wmn0IxWFlPmlAhmx8365k4nocmzgIFMdOWbCpmojzRAqP26+ +AACtPzurFZ1UDp+gr0TnCHYJjTKno7K0she8b0n2QaCPZ4e29P0NUsfCsoPnYzy9CzuLAnl36YW KbmS1lVDYAlRh6LAjA4xDeqgfMsmAjncDYvYqN+ZJ80= ) ; keytag 38815`
	`ncbi.nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAckbjcIcrq6FtRGMe7V+tGEUQ4qLIBOkJphv9sf4mSEKnS2gewnpk5VaneemJg5K9WhHKfk6 IcFkuliVe0BrshwCbiDyEiN2u6mmYO9qGROOLWQAfcpE2l1P4XdJ9GfT57CL8ilu/myAuo6MgPXn 94CAXBPPVg9cNl9Q5QsQPSyYXdjcJUerLYo0QAcb7GRHlCor/nWxUX+BKZ7gvcl1zo1HYPinKP54 vGDYI5AFqBYn4lujwWgIrpeISxdBdsOlskp56JwgEyEt+dBUloFQG8agiRKyjl27ZDCBu5y95wIy CvbjkAAUvqGfvS6/9JajhConHPfpZECJOVbp9kWgBOc= ) ; keytag 16545`
	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 20260421215647 20260327212248 38815 ncbi.nlm.nih.gov. McXNg2Oi5N15dqkgX5oyIVrziT7IHG9UC5m2cpI7zaf6WdVfuCDayWKFwOHPrAQAKoZCrTk1vcSk w0pgjRSCorhNLK09qBPJPhB5tUquNGhtLojZHhoMeoxPyVFfj27MN+Hjcbo1D1qN1CIcDIkv0EBW Flj9HDCM9Jk0jEDqIExE0nWINmxowJkO+GdzOYaySki3zHJB6ibHpbhf2RdHEzDojZSFtsXbQs4r aeB+kWeExeBHjPSg6dNKIUShJktX/1/zBCta/8kouSJTtkoySdJSPxMcDwHPIyoSYqwb7L085wV/ 9tYzY/5KuMVmVzZ3Ee1qDH6VwL8StfOdt24iYQ== )`
	RRSIG=38815 and DNSKEY=38815/SEP verifies the DNSKEY RRset
	DNSKEY=16545 is now in the chain-of-trust
	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 = 31774 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (8 records) 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 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 ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 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 = 56668 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) 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 20260421205235 20260327202352 16545 ncbi.nlm.nih.gov. glSu3yjA11KREziSymb4scHANkn8xJG56GUEjW1xWjfKl9003su3OKHdNGW4jeVTK15/MPoqjPch 7WNnthVXPhwRkTr6e+VesfTXxdFCW8NEL2RAEVSq+dAyQsk9ChIS0i+TWSoAoKtwWu+A4wvkXbWh v+eFbwEsQUk7h+L1sXXyuxSg74+1fn7EjM9ulwAO/SJVp/+Ol2nBVAF8FfK3ZOlHUuq7dsgbNRQ+ JNr0jA6cnoG76l/Ved8GVZpuwgwL8XYco45PZP/j08OhPoyqhZzwX3mfJp/JCwphj5i9i6WvG9hf 6UgIdQoUxglm5C1Z94Z+S/K9GMT/E2U9HGC3dg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found RRSIG signed by ncbi.nlm.nih.gov zone
	Query to ns.nih.gov for ncbi.nlm.nih.gov/SOA
	Received 403 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 403 octets ;; HEADER SECTION ;; id = 24930 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "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 = 28556 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.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 NS ns.nih.gov. 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 RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 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 = 63280 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "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 = 3625 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 = 49593 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) ;; AUTHORITY SECTION (8 records) 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 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 dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 = 24947 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) ;; AUTHORITY SECTION (8 records) 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 ns2.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 RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 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 = 39660 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (8 records) 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 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 ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== )`
	RRSIG=16545 and DNSKEY=16545 verifies the A RRset

ncbi.nlm.nih.gov

	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 = 52227 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to ns3.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 801 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 801 octets ;; HEADER SECTION ;; id = 46559 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) 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 20260421205235 20260327202352 16545 ncbi.nlm.nih.gov. glSu3yjA11KREziSymb4scHANkn8xJG56GUEjW1xWjfKl9003su3OKHdNGW4jeVTK15/MPoqjPch 7WNnthVXPhwRkTr6e+VesfTXxdFCW8NEL2RAEVSq+dAyQsk9ChIS0i+TWSoAoKtwWu+A4wvkXbWh v+eFbwEsQUk7h+L1sXXyuxSg74+1fn7EjM9ulwAO/SJVp/+Ol2nBVAF8FfK3ZOlHUuq7dsgbNRQ+ JNr0jA6cnoG76l/Ved8GVZpuwgwL8XYco45PZP/j08OhPoyqhZzwX3mfJp/JCwphj5i9i6WvG9hf 6UgIdQoUxglm5C1Z94Z+S/K9GMT/E2U9HGC3dg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found RRSIG signed by ncbi.nlm.nih.gov zone
	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 = 19437 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== )`
	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 = 55473 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.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 ns3.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 RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 lhcns1.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 801 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 801 octets ;; HEADER SECTION ;; id = 55265 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) 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 20260421205235 20260327202352 16545 ncbi.nlm.nih.gov. glSu3yjA11KREziSymb4scHANkn8xJG56GUEjW1xWjfKl9003su3OKHdNGW4jeVTK15/MPoqjPch 7WNnthVXPhwRkTr6e+VesfTXxdFCW8NEL2RAEVSq+dAyQsk9ChIS0i+TWSoAoKtwWu+A4wvkXbWh v+eFbwEsQUk7h+L1sXXyuxSg74+1fn7EjM9ulwAO/SJVp/+Ol2nBVAF8FfK3ZOlHUuq7dsgbNRQ+ JNr0jA6cnoG76l/Ved8GVZpuwgwL8XYco45PZP/j08OhPoyqhZzwX3mfJp/JCwphj5i9i6WvG9hf 6UgIdQoUxglm5C1Z94Z+S/K9GMT/E2U9HGC3dg== ) ;; 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 = 10537 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (8 records) 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 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 ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== )`
	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 = 22772 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (8 records) 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 dns2-ncbi.ncbi.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 lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 lhcns1.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 801 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 801 octets ;; HEADER SECTION ;; id = 38030 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) 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 20260421205235 20260327202352 16545 ncbi.nlm.nih.gov. glSu3yjA11KREziSymb4scHANkn8xJG56GUEjW1xWjfKl9003su3OKHdNGW4jeVTK15/MPoqjPch 7WNnthVXPhwRkTr6e+VesfTXxdFCW8NEL2RAEVSq+dAyQsk9ChIS0i+TWSoAoKtwWu+A4wvkXbWh v+eFbwEsQUk7h+L1sXXyuxSg74+1fn7EjM9ulwAO/SJVp/+Ol2nBVAF8FfK3ZOlHUuq7dsgbNRQ+ JNr0jA6cnoG76l/Ved8GVZpuwgwL8XYco45PZP/j08OhPoyqhZzwX3mfJp/JCwphj5i9i6WvG9hf 6UgIdQoUxglm5C1Z94Z+S/K9GMT/E2U9HGC3dg== ) ;; 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 = 26896 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (8 records) 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 ns2.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 dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== )`
	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 = 1057 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns3.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 = 16088 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) 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 20260421205235 20260327202352 16545 ncbi.nlm.nih.gov. glSu3yjA11KREziSymb4scHANkn8xJG56GUEjW1xWjfKl9003su3OKHdNGW4jeVTK15/MPoqjPch 7WNnthVXPhwRkTr6e+VesfTXxdFCW8NEL2RAEVSq+dAyQsk9ChIS0i+TWSoAoKtwWu+A4wvkXbWh v+eFbwEsQUk7h+L1sXXyuxSg74+1fn7EjM9ulwAO/SJVp/+Ol2nBVAF8FfK3ZOlHUuq7dsgbNRQ+ JNr0jA6cnoG76l/Ved8GVZpuwgwL8XYco45PZP/j08OhPoyqhZzwX3mfJp/JCwphj5i9i6WvG9hf 6UgIdQoUxglm5C1Z94Z+S/K9GMT/E2U9HGC3dg== ) ;; 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 = 25443 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== )`
	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 = 63177 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (8 records) 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 ns3.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 NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 = 121 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) 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 20260421205235 20260327202352 16545 ncbi.nlm.nih.gov. glSu3yjA11KREziSymb4scHANkn8xJG56GUEjW1xWjfKl9003su3OKHdNGW4jeVTK15/MPoqjPch 7WNnthVXPhwRkTr6e+VesfTXxdFCW8NEL2RAEVSq+dAyQsk9ChIS0i+TWSoAoKtwWu+A4wvkXbWh v+eFbwEsQUk7h+L1sXXyuxSg74+1fn7EjM9ulwAO/SJVp/+Ol2nBVAF8FfK3ZOlHUuq7dsgbNRQ+ JNr0jA6cnoG76l/Ved8GVZpuwgwL8XYco45PZP/j08OhPoyqhZzwX3mfJp/JCwphj5i9i6WvG9hf 6UgIdQoUxglm5C1Z94Z+S/K9GMT/E2U9HGC3dg== ) ;; 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 = 16015 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; AUTHORITY SECTION (8 records) 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 lhcns2.nlm.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 dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260418093200 20260324090304 16545 ncbi.nlm.nih.gov. F6l/MBqu8PwZNqvC6Aix8mVQu17git4nj1ipfww0fxMinr/t+duJzKAtJD1KSHFFgqhUF+C4T4xh i/Dc9MCdb1YIMU1JdQLpnXA5PqoqLtL/n3wUJZEGO/gLb4zs4q9n4djp5ufxA8AAYDYgtjIDYoNm 5GkDvDRh2YdE/bhir499RhLhJqK76A1H0Vc17PKcw7uaxkS6lD72cy+UNdvR31lb5wvk2IVeIzQJ D+UsYqFF8MIbaL0ja613uGwu3WOWBcrgQ+lc2+rJn0LifJExjENhYIPGGFCwtJHWRnDPnlAz9OXt bgiihhM1ZPi2Dn6/koi7ilY1S+1KvhJ+rAvjEw== ) ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== )`
	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 = 50848 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; 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 = 47072 ;; 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. 2026032454 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260422212947 20260328202947 16545 ncbi.nlm.nih.gov. bwoVLTGfzr2VNSbpBpYSfnlRQhhXb2jSQdYfEyVGl3Rq3qU3/PJkdK2b5T3FfRjAuF+eNiuOQ4K/ K3IvjQA4qI2mRdgICw6MB5Qoi360isA1jQDehik23b0S3HHESl9w9zM9tBNppYbax5r2tedz457R y6uY3X57ntXB6+ioOhN3nx3DetapA6NS+pBeQ+dopmydtlCYHvsrMv+mgfgdYqZYsz5O4Fo5mMvo SG95Kk1kBi1osqmZ8lPUEGRAUi60KxGAIktd7nQ1gkYGXa8/5c1EPJF4EaJwR0Ng8Rbg/2/2Qin2 Xvq++A7DsXoYF56s/TQoZdmd/wlOm1ieFLE1YA== ) 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 20260421205235 20260327202352 16545 ncbi.nlm.nih.gov. glSu3yjA11KREziSymb4scHANkn8xJG56GUEjW1xWjfKl9003su3OKHdNGW4jeVTK15/MPoqjPch 7WNnthVXPhwRkTr6e+VesfTXxdFCW8NEL2RAEVSq+dAyQsk9ChIS0i+TWSoAoKtwWu+A4wvkXbWh v+eFbwEsQUk7h+L1sXXyuxSg74+1fn7EjM9ulwAO/SJVp/+Ol2nBVAF8FfK3ZOlHUuq7dsgbNRQ+ JNr0jA6cnoG76l/Ved8GVZpuwgwL8XYco45PZP/j08OhPoyqhZzwX3mfJp/JCwphj5i9i6WvG9hf 6UgIdQoUxglm5C1Z94Z+S/K9GMT/E2U9HGC3dg== ) ;; 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 = 22146 ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== ) ;; 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 20260414112014 20260320110955 16545 ncbi.nlm.nih.gov. XDC2OTb+22rCbEShtntdwY9gEF6KK0fM9oRx8FeyiriiPGk0O31PFaoBVeNl59WyDApl/EdYd6PV lZjb/CZ4zZsC9f6YoQ0i0f4F5HDll3+h5XtpUqCVIXxIKxluOjJ/PpOBIJQLaMgQeA63Eg3/yNKu zvIHxzjJ+NYFucJJ6SQxI378iGWcPOu/aASxA2Ucgnst62tTew4+KwERN2ElLlgVp10kNh8jREW+ 3xwbNo2abe/82yEk9JzlHcWRh1nUYjUszZ2RJmGzr0r+oXrXVpw76489G+htepdWlpob9QHlzmYV KmMj1UEPxIFcWpI1VLnNCr/JOweUE5hRljYh4A== )`
	RRSIG=16545 and DNSKEY=16545 verifies the A RRset

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DNSSEC Debugger

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