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

Domain Name:

Time: 2025-09-18 00:12:33 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 i.root-servers.net for ./DNSKEY
	Received 1417 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 1417 octets ;; HEADER SECTION ;; id = 6583 ;; 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 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148 . 172800 IN DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20250930000000 20250909000000 20326 . aqj52+DKW6PhTa31l3xyxa0lbMd8T/UyK1sNUC42EY1+cSp0hSC0VlW82RsWYU5G5NmewrInT/Sx glWFlFz94yVqiKAK7ZNQr94nRbA7okrrlfnloiBi3cQ1IvEUgvNcmlZMLTeA6rINvdcBwS7ljMOH m0vQDce9IOxhQT7iAu23oiNORw5nWG/npNkYRFDD4yQvD3HsNeXFTuyDuc57ZEjs/pnIG5nkcqx7 tp/ba3XbOGllDr/V/0ubak7OeWum1eckIljqUsx5BnfBfIA7rJ2JJBIT7JMJ/O/cflTKoJFHQoKG TVYrNVBq9vsnZ01Q4ss688IvI8vO3zkP6LQLEA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for .
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441`
	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 20250930000000 20250909000000 20326 . aqj52+DKW6PhTa31l3xyxa0lbMd8T/UyK1sNUC42EY1+cSp0hSC0VlW82RsWYU5G5NmewrInT/Sx glWFlFz94yVqiKAK7ZNQr94nRbA7okrrlfnloiBi3cQ1IvEUgvNcmlZMLTeA6rINvdcBwS7ljMOH m0vQDce9IOxhQT7iAu23oiNORw5nWG/npNkYRFDD4yQvD3HsNeXFTuyDuc57ZEjs/pnIG5nkcqx7 tp/ba3XbOGllDr/V/0ubak7OeWum1eckIljqUsx5BnfBfIA7rJ2JJBIT7JMJ/O/cflTKoJFHQoKG TVYrNVBq9vsnZ01Q4ss688IvI8vO3zkP6LQLEA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=38696/SEP is now in the chain-of-trust
	DNSKEY=53148 is now in the chain-of-trust
	DNSKEY=46441 is now in the chain-of-trust
	Query to m.root-servers.net for pubmed.ncbi.nlm.nih.gov/A
	Received 636 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 636 octets ;; HEADER SECTION ;; id = 29212 ;; 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 d.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS b.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20250930170000 20250917160000 46441 . AwbNY+voMl1OUTjSvUErAS5G/ScBk7y9kbl6u+4NsdnPdJe5RsPLVUMRn5bLmCFkT/13f+CSwvPT P4HvbqtehnLMfpwXI1tXWoZBdwbySOQaMWoehRg6BXlpIEQDdTMEcm0Um6Q0d2Kd0C6Myjrx927O nDxSkBOLcggqZRZdvFw+VPfPo/LJxi77dlNLKYAE9FFLotskc/dIEmEaArEfwud7prMIlu87iLAn XejqdNM8qWfccK5/AGjgYfvzKx44a3iCT2yT4kapWNeYpEep5a0pqQMBRfLMHlWmGRqcGmBlkjaL 6mPI4sQNxG8IJ1Pyf0i3QODtlwZ5l5Wwmwr7Lw== ) ;; 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 }
	Query to d.root-servers.net for gov/DNSKEY
	Received 610 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 610 octets ;; HEADER SECTION ;; id = 33508 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1450, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS b.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20250930170000 20250917160000 46441 . AwbNY+voMl1OUTjSvUErAS5G/ScBk7y9kbl6u+4NsdnPdJe5RsPLVUMRn5bLmCFkT/13f+CSwvPT P4HvbqtehnLMfpwXI1tXWoZBdwbySOQaMWoehRg6BXlpIEQDdTMEcm0Um6Q0d2Kd0C6Myjrx927O nDxSkBOLcggqZRZdvFw+VPfPo/LJxi77dlNLKYAE9FFLotskc/dIEmEaArEfwud7prMIlu87iLAn XejqdNM8qWfccK5/AGjgYfvzKx44a3iCT2yT4kapWNeYpEep5a0pqQMBRfLMHlWmGRqcGmBlkjaL 6mPI4sQNxG8IJ1Pyf0i3QODtlwZ5l5Wwmwr7Lw== ) ;; ADDITIONAL SECTION (9 records) a.ns.gov. 172800 IN A 199.33.230.1 b.ns.gov. 172800 IN A 199.33.231.1 c.ns.gov. 172800 IN A 199.33.232.1 d.ns.gov. 172800 IN A 199.33.233.1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 ;; { "EDNS-VERSION": 0 }
	Found child zone gov

gov

	Checking DS between . and gov
	Query to l.root-servers.net for gov/DS
	Received 367 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 367 octets ;; HEADER SECTION ;; id = 47418 ;; 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": 4096, ;; "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 20250930170000 20250917160000 46441 . AwbNY+voMl1OUTjSvUErAS5G/ScBk7y9kbl6u+4NsdnPdJe5RsPLVUMRn5bLmCFkT/13f+CSwvPT P4HvbqtehnLMfpwXI1tXWoZBdwbySOQaMWoehRg6BXlpIEQDdTMEcm0Um6Q0d2Kd0C6Myjrx927O nDxSkBOLcggqZRZdvFw+VPfPo/LJxi77dlNLKYAE9FFLotskc/dIEmEaArEfwud7prMIlu87iLAn XejqdNM8qWfccK5/AGjgYfvzKx44a3iCT2yT4kapWNeYpEep5a0pqQMBRfLMHlWmGRqcGmBlkjaL 6mPI4sQNxG8IJ1Pyf0i3QODtlwZ5l5Wwmwr7Lw== ) ;; 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 20250930170000 20250917160000 46441 . AwbNY+voMl1OUTjSvUErAS5G/ScBk7y9kbl6u+4NsdnPdJe5RsPLVUMRn5bLmCFkT/13f+CSwvPT P4HvbqtehnLMfpwXI1tXWoZBdwbySOQaMWoehRg6BXlpIEQDdTMEcm0Um6Q0d2Kd0C6Myjrx927O nDxSkBOLcggqZRZdvFw+VPfPo/LJxi77dlNLKYAE9FFLotskc/dIEmEaArEfwud7prMIlu87iLAn XejqdNM8qWfccK5/AGjgYfvzKx44a3iCT2yT4kapWNeYpEep5a0pqQMBRfLMHlWmGRqcGmBlkjaL 6mPI4sQNxG8IJ1Pyf0i3QODtlwZ5l5Wwmwr7Lw== )`
	RRSIG=46441 and DNSKEY=46441 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 d.ns.gov for gov/DNSKEY
	Received 291 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 291 octets ;; HEADER SECTION ;; id = 47559 ;; 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 20251101110613 20250901110613 2536 gov. D1H2/lQxqi95pn45IcLLiEhJqLj7xvGsuBj73AYEAzqX48/P7GQMRCj7rQAOTEwKoZaj70cVbIvD dPV4T5L9mw== ) ;; 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 20251101110613 20250901110613 2536 gov. D1H2/lQxqi95pn45IcLLiEhJqLj7xvGsuBj73AYEAzqX48/P7GQMRCj7rQAOTEwKoZaj70cVbIvD dPV4T5L9mw== )`
	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 = 48567 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pubmed.ncbi.nlm.nih.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) nih.gov. 10800 IN NS ns.nih.gov. nih.gov. 10800 IN NS ns2.nih.gov. nih.gov. 10800 IN NS ns3.nih.gov. nih.gov. 3600 IN DS ( 25564 8 2 20c290555fabc77319e56eb35750074006b73ebaba31e0a7ab5ab7b5f8dc33bc ) nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20250919011233 20250916231233 35496 gov. Lxhiqlsf6zeONh8f8pPR1KkYv3g+/Qv9WOLlkaiQT5wahWW1n4lNa4TOciMlmNXIYee/ccfkGk2Q QDB2hcnh/A== ) ;; 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 a.ns.gov for nih.gov/DNSKEY
	Received 332 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 332 octets ;; HEADER SECTION ;; id = 63150 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) nih.gov. 10800 IN NS ns.nih.gov. nih.gov. 10800 IN NS ns2.nih.gov. nih.gov. 10800 IN NS ns3.nih.gov. nih.gov. 3600 IN DS ( 25564 8 2 20c290555fabc77319e56eb35750074006b73ebaba31e0a7ab5ab7b5f8dc33bc ) nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20250919011233 20250916231233 35496 gov. H8hMLf2+gi2csDHSIzeydCnCt//ueeIsBJnfnqNV7N8EGd9aU9xxkaFNYjLj6SrNbWTtPbkygCDc xTJWe18mTw== ) ;; ADDITIONAL SECTION (4 records) ns.nih.gov. 3600 IN A 128.231.128.251 ns2.nih.gov. 3600 IN A 128.231.64.1 ns3.nih.gov. 3600 IN A 165.112.4.230 ;; { "EDNS-VERSION": 0 }
	Found child zone nih.gov

nih.gov

	Checking DS between gov and nih.gov
	Query to b.ns.gov for nih.gov/DS
	Received 231 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 231 octets ;; HEADER SECTION ;; id = 4524 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN DS ;; ANSWER SECTION (3 records) nih.gov. 3600 IN DS ( 25564 8 2 20c290555fabc77319e56eb35750074006b73ebaba31e0a7ab5ab7b5f8dc33bc ) nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20250919011233 20250916231233 35496 gov. xI3pxmWG5Zy3lut3e+J6/VRLH3DrjwzdY+cEmqF+NqpCFflBKIKUfEL2Cnu5+sKQ1b3p2vY9wAXE znAoqFHTlA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DS records for nih.gov in the gov zone
	DS=25564/SHA-256 has algorithm RSASHA256
	DS=36469/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20250919011233 20250916231233 35496 gov. xI3pxmWG5Zy3lut3e+J6/VRLH3DrjwzdY+cEmqF+NqpCFflBKIKUfEL2Cnu5+sKQ1b3p2vY9wAXE znAoqFHTlA== )`
	RRSIG=35496 and DNSKEY=35496 verifies the DS RRset
	DS=25564/SHA-256 is now in the chain-of-trust
	DS=36469/SHA-256 is now in the chain-of-trust
	`nih.gov. 3600 IN DS ( 25564 8 2 20c290555fabc77319e56eb35750074006b73ebaba31e0a7ab5ab7b5f8dc33bc )`
	`nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed )`
	Query to ns3.nih.gov for nih.gov/DNSKEY
	Received 1070 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 1070 octets ;; HEADER SECTION ;; id = 22393 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN DNSKEY ;; ANSWER SECTION (5 records) nih.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAb/TBATPq9WfPf5EQnpJWGkZWk57KAx/FsyX52dIO/fU5aRXug4Ls0cOncslCYKNlmHfzfDM zfgTAzZRTisG6C6tNYlHkbZiVZ2fnytfEdhBhEpDtWrEnGKjdHTdArTnHCtoTOJkiGjbn4EVA9q/ a0mNrc3+2wonamr11VP98GgAButivHHie9mHx7a86pMnLMUdJnG1VxvhLaU4h+wwZJ/j1e3RN2Hn IQXT7S6ya5bFSzmHwH6fdQmGSULGchwIQtyESN6HVQOoxH/LxYFES70GREnSu3kYppdNeGSDW2gw +YzLqy+kclM56Xs9hSHXKMu2+UxbEbP4h30BLXyMdOs= ) ; keytag 36469 nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAdi9FKbnxqLrzzFuVUIqXqoeR4VHJ9vutjrK4HuTgyaop0gGvFFgisGrpmzvyOUAIvmjkZ+i oENA5Ljb0yQMY9NXSPCUxYGdtyJDynCJ6q4TfnfSCAculLQOfMTUPqQDZa3akDll+zXy2Fp5PDJS fDakeiurw1z8tyHX9NTtqzap ) ; keytag 35143 nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAZs1ksXlcszgXRfzQtx7cfx1qW9CPlWRVqL+jxZV5uNVFLAZuByU42JHpE3JTPNeSsizxbXJ QxoR5HaBO2KP0UKoAQGhRsoFACOPG/fnxDU9NrtS7oQqWFRZ9/2g03dQl0Dnql/gnOrVSoOnD5ni pXD07IbnhEpdGx+YDpL/8IU/ ) ; keytag 19548 nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250921065837 20250917064359 19548 nih.gov. VE87eUYIWHISczy0CCbMSGddTbN4xHCUyZ7JXthRUkO/H7xq79jDywxzxPUfu/Z6/rSN2j1fhn5F tgkAbCgBHHWukUvXSaypH2Ih7CoASL+8TwJfl828SQbaOYBWoaXrpcp4nfXbKS1ftSYMrghQTjZY V/U4US+8ZO1F4dRFk10= ) nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250921065837 20250917064359 36469 nih.gov. SM9AVDHFF8jw6OKr2Us6rVVDUVT62tv5GSrBgIgfUHRKVpTUhhXRTX5kL0+tBMePDL8mQ4kK5XJh ZSOyaWEQUA4Fis10XATcDLo0aZLh3gNUjGiCeHcrxlsc8MNMVAuqWzsbNCFxH4yIe18jJJu6pQXe 2D8W//v7sXMLI/QRdHbyp8y+/7DyjbHtG18Oq59CX4PdH/0XTnvJs/7/vnAPZHIdpgdWlt+NXT/+ Mhwrr6g/dXLllgNC8kNV7/Jf2hhcIaONnbq+f38sbfi8Bj5NjKloSSC76V4HTJr13lVoj42Bd2o8 ATb5a/I4qT4eKruXJvT5CWAKIu2F52CIzYj7Xw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for nih.gov
	`nih.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAb/TBATPq9WfPf5EQnpJWGkZWk57KAx/FsyX52dIO/fU5aRXug4Ls0cOncslCYKNlmHfzfDM zfgTAzZRTisG6C6tNYlHkbZiVZ2fnytfEdhBhEpDtWrEnGKjdHTdArTnHCtoTOJkiGjbn4EVA9q/ a0mNrc3+2wonamr11VP98GgAButivHHie9mHx7a86pMnLMUdJnG1VxvhLaU4h+wwZJ/j1e3RN2Hn IQXT7S6ya5bFSzmHwH6fdQmGSULGchwIQtyESN6HVQOoxH/LxYFES70GREnSu3kYppdNeGSDW2gw +YzLqy+kclM56Xs9hSHXKMu2+UxbEbP4h30BLXyMdOs= ) ; keytag 36469`
	`nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAdi9FKbnxqLrzzFuVUIqXqoeR4VHJ9vutjrK4HuTgyaop0gGvFFgisGrpmzvyOUAIvmjkZ+i oENA5Ljb0yQMY9NXSPCUxYGdtyJDynCJ6q4TfnfSCAculLQOfMTUPqQDZa3akDll+zXy2Fp5PDJS fDakeiurw1z8tyHX9NTtqzap ) ; keytag 35143`
	`nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAZs1ksXlcszgXRfzQtx7cfx1qW9CPlWRVqL+jxZV5uNVFLAZuByU42JHpE3JTPNeSsizxbXJ QxoR5HaBO2KP0UKoAQGhRsoFACOPG/fnxDU9NrtS7oQqWFRZ9/2g03dQl0Dnql/gnOrVSoOnD5ni pXD07IbnhEpdGx+YDpL/8IU/ ) ; keytag 19548`
	DNSKEY=36469/SEP is now in the chain-of-trust
	DS=36469/SHA-256 verifies DNSKEY=36469/SEP
	DS=25564/SHA-256 is published, but a corresponding DNSKEY is not
	Found 2 RRSIGs over DNSKEY RRset
	`nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250921065837 20250917064359 19548 nih.gov. VE87eUYIWHISczy0CCbMSGddTbN4xHCUyZ7JXthRUkO/H7xq79jDywxzxPUfu/Z6/rSN2j1fhn5F tgkAbCgBHHWukUvXSaypH2Ih7CoASL+8TwJfl828SQbaOYBWoaXrpcp4nfXbKS1ftSYMrghQTjZY V/U4US+8ZO1F4dRFk10= )`
	`nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250921065837 20250917064359 36469 nih.gov. SM9AVDHFF8jw6OKr2Us6rVVDUVT62tv5GSrBgIgfUHRKVpTUhhXRTX5kL0+tBMePDL8mQ4kK5XJh ZSOyaWEQUA4Fis10XATcDLo0aZLh3gNUjGiCeHcrxlsc8MNMVAuqWzsbNCFxH4yIe18jJJu6pQXe 2D8W//v7sXMLI/QRdHbyp8y+/7DyjbHtG18Oq59CX4PdH/0XTnvJs/7/vnAPZHIdpgdWlt+NXT/+ Mhwrr6g/dXLllgNC8kNV7/Jf2hhcIaONnbq+f38sbfi8Bj5NjKloSSC76V4HTJr13lVoj42Bd2o8 ATb5a/I4qT4eKruXJvT5CWAKIu2F52CIzYj7Xw== )`
	RRSIG=19548 and DNSKEY=19548 verifies the DNSKEY RRset
	RRSIG=36469 and DNSKEY=36469/SEP verifies the DNSKEY RRset
	DNSKEY=35143 is now in the chain-of-trust
	DNSKEY=19548 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 = 14998 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; 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 nlm.nih.gov/DNSKEY
	Received 763 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 763 octets ;; HEADER SECTION ;; id = 3694 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (3 records) nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAaWJK0lUy2PXELoK1lpGEhxD3FrNwMUNRN4AklO6aJt4ZTVGlTIcLphP7zJT/BNcMB6hBSs9 XwU8D29uwA7HZ4qz/mnotAJF6b3sNVPSdCVxD65nTp2FpmLfWuycaPPnX9wUWK3eXh+PuGizR7Ti wfzsR1AxLGtp4ddzKPAiR8tF ) ; keytag 15721 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 20250920063837 20250824100006 39122 nlm.nih.gov. RLzElkzlG3gQu7vw0COg8s4qRYtWAqkFPnvo8J8Zr9xmSBX1TXZuZqxk9q8UOSsFDAMDhp5srTML On5SgiGgM7KgdFDW7eDQxPjPnRplQuoScZnHfZDyA/bPZJ8dDnBaJIy3Tg57Vm0xb2Xqbm8d1y+G Dpfdoh4upsvpCasqxEjP9cCnE+Qax85OVHxOemed9eHdGW8aHIRAHkP3SfccnKGixAus9MnpfzGQ 1x0/y02p0Js+GK18f1DjyfsyMPFX8ZVfawuDX8aHV0d3w9zzek86WkVCJdkuuRPfEmZOnxMPTVLT fFFrudiPS+9iW5XNhz+TuJAjp5cPXTkYHtW1Kw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone nlm.nih.gov
	Attempting to learn nameservers for nlm.nih.gov
	Query to ns.nih.gov for nlm.nih.gov/NS
	Received 1078 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 1078 octets ;; HEADER SECTION ;; id = 59114 ;; 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 ns3.nih.gov. nlm.nih.gov. 86400 IN NS lhcns1.nlm.nih.gov. nlm.nih.gov. 86400 IN NS ns.nih.gov. nlm.nih.gov. 86400 IN NS ns2.nih.gov. nlm.nih.gov. 86400 IN NS lhcns2.nlm.nih.gov. nlm.nih.gov. 86400 IN RRSIG ( NS 8 3 86400 20250920110006 20250821105506 15721 nlm.nih.gov. IbAz15DIEvVenXDDB3t9HkEFVVqbF9xRvokIoc3zJ7i7dGuKwUcSVTRm8fY3mpUHbzk6T9tYVLbo 7sl3nXfRnZ+1AK5SdYOPIN9uW9cW2zuUVEFPkchXeFin+nkJk9gAAboiK+/w9l8DTAsLcxaVfmCp JH9f/BjvAck7mKvajJc= ) ;; 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 20250920110006 20250821105506 15721 nlm.nih.gov. iqHhb+/JRUFTnw0suk/NAw8IdGP1o5T0t8SpyL5csOpHQcwkmile94XqNV7t0tfKmRn7KwEoVqfl m2rqFY0G24nzVFZ6T0a7FIaE7/cYT6N8L+plJh4vRbtaf1Uez1ld+9gfg+yE8wITgWYunLZIDeB4 s8y4n6xtdHErGpCRXig= ) lhcns1.nlm.nih.gov. 3600 IN RRSIG ( AAAA 8 4 3600 20250920110006 20250821105506 15721 nlm.nih.gov. kgWPIBqAhR2VG0C2zcVc+hFbcg/tB9l5LFNC59qcpL3v/bmFqYkjiONW7ZzbT0Yb4y3HJSNAKqKj fUbIqYHi8KDvKMK26q/7gRkJK9nZYanOo7YZy3Ec5mpVovtJ8gmddN3oTXZZ73A6UTF7nysscqSz VZoliE0RsUsfrOwDB30= ) lhcns2.nlm.nih.gov. 3600 IN RRSIG ( A 8 4 3600 20250920110006 20250821105506 15721 nlm.nih.gov. EUR+OpfASWgz8CH2Hhz0c8BcYi1KtQGh7ri7o/YK0uszckyz3jEH7EePhfqqRP027Bp8uoJyxbDk nMMWgoD1ScrJ1bVEsuBMnoY7ArFR8Yi7Iea1/NzZWuJTjSoE0rkqXa1en47wZT3hhlZggGwqFS4G 4Z0DsHcr+D9sKQ3oJzw= ) lhcns2.nlm.nih.gov. 3600 IN RRSIG ( AAAA 8 4 3600 20250920110006 20250821105506 15721 nlm.nih.gov. PKc59FdQHNjjIGDeMg0AKiwVUxeV2/H96GozoBmfG9jTe5D4eck6zwPrIzE6ukeC+i6OpLDAA1qz x6qiPvThdbxQ7D4bT1aMrC17SiQHJX7+owAdd4QkOq83L+iwMkwjHL3MPr6THs1wTJ4vsfinAfxb s2HaTNRb3FKzpxfywEE= ) ;; { "EDNS-VERSION": 0 }
	Found nlm.nih.gov nameservers: ns3.nih.gov, lhcns1.nlm.nih.gov, ns.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 399 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 399 octets ;; HEADER SECTION ;; id = 17241 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.nih.gov. IN DS ;; ANSWER SECTION (5 records) nlm.nih.gov. 3600 IN DS ( 22726 8 2 d692137cf2065d3fd65834a233f3c2e3e6dd7dfbd24e8fde5fed41f58e2eb6bb ) nlm.nih.gov. 3600 IN DS ( 49585 8 2 56cf66e026f3d2f652313831ca43d950da0f6f7851c7bc2f3c6d9ded44d07209 ) nlm.nih.gov. 3600 IN DS ( 16690 8 2 1b955f0f54a8bf372d6233b09910ceec908708e83405586372ee76e1c2d5dd83 ) nlm.nih.gov. 3600 IN DS ( 39122 8 2 aea70e256fbc9eed1b7efc4c34986409739512539aad03b5330732b9ef72588e ) nlm.nih.gov. 3600 IN RRSIG ( DS 8 3 3600 20250921223440 20250917220134 19548 nih.gov. FyJu4lChaTtgIWgu5s1Wtm8/fiHAs1CJ5SEUQl/+40M4s1pLnknCjz2NgZJF+l/U/CVe2Y4D+4ZT CC1w7gDwu+lL/WBekw8IiLg5m5r9S9MT3lNNH8NFeITPT/ebmSn8q5b5puEnVxq2AE4K9d20QCjz /YQbS8lz9zum6mPb63c= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DS records for nlm.nih.gov in the nih.gov zone
	DS=22726/SHA-256 has algorithm RSASHA256
	DS=49585/SHA-256 has algorithm RSASHA256
	DS=16690/SHA-256 has algorithm RSASHA256
	DS=39122/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`nlm.nih.gov. 3600 IN RRSIG ( DS 8 3 3600 20250921223440 20250917220134 19548 nih.gov. FyJu4lChaTtgIWgu5s1Wtm8/fiHAs1CJ5SEUQl/+40M4s1pLnknCjz2NgZJF+l/U/CVe2Y4D+4ZT CC1w7gDwu+lL/WBekw8IiLg5m5r9S9MT3lNNH8NFeITPT/ebmSn8q5b5puEnVxq2AE4K9d20QCjz /YQbS8lz9zum6mPb63c= )`
	RRSIG=19548 and DNSKEY=19548 verifies the DS RRset
	DS=22726/SHA-256 is now in the chain-of-trust
	DS=49585/SHA-256 is now in the chain-of-trust
	DS=16690/SHA-256 is now in the chain-of-trust
	DS=39122/SHA-256 is now in the chain-of-trust
	`nlm.nih.gov. 3600 IN DS ( 22726 8 2 d692137cf2065d3fd65834a233f3c2e3e6dd7dfbd24e8fde5fed41f58e2eb6bb )`
	`nlm.nih.gov. 3600 IN DS ( 49585 8 2 56cf66e026f3d2f652313831ca43d950da0f6f7851c7bc2f3c6d9ded44d07209 )`
	`nlm.nih.gov. 3600 IN DS ( 16690 8 2 1b955f0f54a8bf372d6233b09910ceec908708e83405586372ee76e1c2d5dd83 )`
	`nlm.nih.gov. 3600 IN DS ( 39122 8 2 aea70e256fbc9eed1b7efc4c34986409739512539aad03b5330732b9ef72588e )`
	Query to lhcns1.nlm.nih.gov for nlm.nih.gov/DNSKEY
	Received 763 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 763 octets ;; HEADER SECTION ;; id = 32141 ;; 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) ;; nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (3 records) nlm.nih.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAZC/hLnSzGenvFrKBeGVf4WP7RBCxmMSLeLPv9AqYqGYfTwEX5wnVsH7IayeQ9h9DkWRyN2F VLZSkHfq4XsjBKbmD6M3lcU5lNMSnKXE8PRQvTaAvXHX303ENikKS9o282E/oyNpdXF1tD2FDP2S Q3v8uFxFfeGYjW3LPYryRX/CFEDiN9iYcWzIzwPLNdlGwD7iGai7p/tk6VyPM62ofisFwWX02/rc epgPp3GAHp3sJgxMFrAW8Af9vEv6eT5VbkTHa2S4Tj4mPborV9Hpq/e85FQe618XSygljk+1WdU7 ip8jZwxSI4odQJsQhIXgih6u6FNqyTEKkgrz64Xacyc= ) ; keytag 39122 nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAaWJK0lUy2PXELoK1lpGEhxD3FrNwMUNRN4AklO6aJt4ZTVGlTIcLphP7zJT/BNcMB6hBSs9 XwU8D29uwA7HZ4qz/mnotAJF6b3sNVPSdCVxD65nTp2FpmLfWuycaPPnX9wUWK3eXh+PuGizR7Ti wfzsR1AxLGtp4ddzKPAiR8tF ) ; keytag 15721 nlm.nih.gov. 3600 IN RRSIG ( DNSKEY 8 3 3600 20250920063837 20250824100006 39122 nlm.nih.gov. RLzElkzlG3gQu7vw0COg8s4qRYtWAqkFPnvo8J8Zr9xmSBX1TXZuZqxk9q8UOSsFDAMDhp5srTML On5SgiGgM7KgdFDW7eDQxPjPnRplQuoScZnHfZDyA/bPZJ8dDnBaJIy3Tg57Vm0xb2Xqbm8d1y+G Dpfdoh4upsvpCasqxEjP9cCnE+Qax85OVHxOemed9eHdGW8aHIRAHkP3SfccnKGixAus9MnpfzGQ 1x0/y02p0Js+GK18f1DjyfsyMPFX8ZVfawuDX8aHV0d3w9zzek86WkVCJdkuuRPfEmZOnxMPTVLT fFFrudiPS+9iW5XNhz+TuJAjp5cPXTkYHtW1Kw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for nlm.nih.gov
	`nlm.nih.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAZC/hLnSzGenvFrKBeGVf4WP7RBCxmMSLeLPv9AqYqGYfTwEX5wnVsH7IayeQ9h9DkWRyN2F VLZSkHfq4XsjBKbmD6M3lcU5lNMSnKXE8PRQvTaAvXHX303ENikKS9o282E/oyNpdXF1tD2FDP2S Q3v8uFxFfeGYjW3LPYryRX/CFEDiN9iYcWzIzwPLNdlGwD7iGai7p/tk6VyPM62ofisFwWX02/rc epgPp3GAHp3sJgxMFrAW8Af9vEv6eT5VbkTHa2S4Tj4mPborV9Hpq/e85FQe618XSygljk+1WdU7 ip8jZwxSI4odQJsQhIXgih6u6FNqyTEKkgrz64Xacyc= ) ; keytag 39122`
	`nlm.nih.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAaWJK0lUy2PXELoK1lpGEhxD3FrNwMUNRN4AklO6aJt4ZTVGlTIcLphP7zJT/BNcMB6hBSs9 XwU8D29uwA7HZ4qz/mnotAJF6b3sNVPSdCVxD65nTp2FpmLfWuycaPPnX9wUWK3eXh+PuGizR7Ti wfzsR1AxLGtp4ddzKPAiR8tF ) ; keytag 15721`
	DNSKEY=39122/SEP is now in the chain-of-trust
	DS=39122/SHA-256 verifies DNSKEY=39122/SEP
	DS=22726/SHA-256 is published, but a corresponding DNSKEY is not
	DS=49585/SHA-256 is published, but a corresponding DNSKEY is not
	DS=16690/SHA-256 is published, but a corresponding DNSKEY is not
	Found 1 RRSIGs over DNSKEY RRset
	`nlm.nih.gov. 3600 IN RRSIG ( DNSKEY 8 3 3600 20250920063837 20250824100006 39122 nlm.nih.gov. RLzElkzlG3gQu7vw0COg8s4qRYtWAqkFPnvo8J8Zr9xmSBX1TXZuZqxk9q8UOSsFDAMDhp5srTML On5SgiGgM7KgdFDW7eDQxPjPnRplQuoScZnHfZDyA/bPZJ8dDnBaJIy3Tg57Vm0xb2Xqbm8d1y+G Dpfdoh4upsvpCasqxEjP9cCnE+Qax85OVHxOemed9eHdGW8aHIRAHkP3SfccnKGixAus9MnpfzGQ 1x0/y02p0Js+GK18f1DjyfsyMPFX8ZVfawuDX8aHV0d3w9zzek86WkVCJdkuuRPfEmZOnxMPTVLT fFFrudiPS+9iW5XNhz+TuJAjp5cPXTkYHtW1Kw== )`
	RRSIG=39122 and DNSKEY=39122/SEP verifies the DNSKEY RRset
	DNSKEY=15721 is now in the chain-of-trust
	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 = 5717 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns3.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to lhcns1.nlm.nih.gov for ncbi.nlm.nih.gov/DNSKEY
	Received 1205 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 1205 octets ;; HEADER SECTION ;; id = 34684 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (4 records) ncbi.nlm.nih.gov. 86400 IN DNSKEY ( 256 3 8 AwEAAckbjcIcrq6FtRGMe7V+tGEUQ4qLIBOkJphv9sf4mSEKnS2gewnpk5VaneemJg5K9WhHKfk6 IcFkuliVe0BrshwCbiDyEiN2u6mmYO9qGROOLWQAfcpE2l1P4XdJ9GfT57CL8ilu/myAuo6MgPXn 94CAXBPPVg9cNl9Q5QsQPSyYXdjcJUerLYo0QAcb7GRHlCor/nWxUX+BKZ7gvcl1zo1HYPinKP54 vGDYI5AFqBYn4lujwWgIrpeISxdBdsOlskp56JwgEyEt+dBUloFQG8agiRKyjl27ZDCBu5y95wIy CvbjkAAUvqGfvS6/9JajhConHPfpZECJOVbp9kWgBOc= ) ; keytag 16545 ncbi.nlm.nih.gov. 86400 IN DNSKEY ( 257 3 8 AwEAAZpv1rD4NfzPl48ycuzC23w9Oz5w+DJTGuSo4aY6Hjs5McEkMGafG+f+/KVKQJNGOLc3sz0N RWN8O87f4zbS/ohcfYRe59lJdCqHVG1xfYrzGro0PXtqUlqNhBdwvJVeBODffYZAvKrot7RNADeZ 8DSS1EVUdQ+GwGx+KjRWfnUqjvj9wmn0IxWFlPmlAhmx8365k4nocmzgIFMdOWbCpmojzRAqP26+ +AACtPzurFZ1UDp+gr0TnCHYJjTKno7K0she8b0n2QaCPZ4e29P0NUsfCsoPnYzy9CzuLAnl36YW KbmS1lVDYAlRh6LAjA4xDeqgfMsmAjncDYvYqN+ZJ80= ) ; keytag 38815 ncbi.nlm.nih.gov. 86400 IN RRSIG ( DNSKEY 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Yav+rwBEDzf5rtLXpuU2BWKr4kDNwzaUEtjWNR+PZnWlfMSRGiSrvX8wDfIzlfoKJ455S8ruuQ3S WYldtxcPHZ5QYAUjSqbvSh5nbouTEAx65NJqloWGcwKgCww1wEe/O9IgWcrsr2VGHb3SY0DNHdNh 4sOcp2VVKDfdUqWSGFE615/kWH04UrDTByK3yynwn4MPMqlMCEwb/dnEpODPBktnXPshHpVHjosU 8JxHAc4CfIn+okHSlvwAxEYnuP+xzvenmDusRW9xrzUem3uqYanA2e9gMySYzHPa06X6nwsiqkm4 mMtPazePN3sAq6TuLHJiNJc8qWr3baOkMAjbxw== ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( DNSKEY 8 4 86400 20260203182655 20250807182655 38815 ncbi.nlm.nih.gov. l9GG6tDxE2rspDZS3L/c9Maq4I1zlyZMrK+vBoBB3pux9jWOn2zcDLyJiTk9GW6HjfTiRXVoLgXC vF+m4mqrNK71ADZdMabXYXuuFYBHB9VfOQfhRzz+kGM1/3SAWD3T7f+TXulTfpXrk58hdmZoGuxV d3cHly+xSjd4xwy4KmASYZRQ6aMBuHPREqjJdPfEYldX/VM0fZzNoP5hOgZg/8zImDYO5xGnu5HY hWcpR//QXv07n1JbaTaEw13o/YiZ+c5vC2TXXb4JHLuZJbQwAPO2udv8rnsa1WX1eNLQ0nUaRSq+ O11yWR2X5LvSySmoJn3fm2dBSDJAuR6awtia3w== ) ;; 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 ns2.nih.gov for ncbi.nlm.nih.gov/NS
	Received 1195 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 1195 octets ;; HEADER SECTION ;; id = 38930 ;; 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 = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ncbi.nlm.nih.gov. IN NS ;; ANSWER SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (7 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. c/owO7hmvQ+HWLik7bRam0sSyNdkann00ihjrz2v0ezZRyRT1eGeePy42IYtJOYPg5sS5tOMpN0J tLAslIQFYzY8kN+OA6D8qCgbwm1cUgxtuV0/eHXSgx/2yLGu2mKOrRW3gcIMusgzg+Se/npOIvJv kScyF6gpXkDzKOhZjO8LKMLa9ACMWVFfC7bQCGciMJ2Cpy6jWqOyR3yEQXSthWnP9i6ezeYjhxdk JZMBMs3joLpjLFuob4FzNbwNPYyJvSj4zcn3IU7hKmGHypRLHnE5xRgqApAfgslhoTAGUI/rK0Yl hhzHR6YR+SYbuJeUZwQ5cXsWUWGHFmldNZPxtw== ) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN RRSIG ( AAAA 8 5 604800 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. WEaxAk98eAw9RKZK80KLAVRy0Il3HxG5JR3V+ZsWAjCiCGQECocE/Dcn7PIXH/6DRaPL3LrQpnAW mQjl3+7gQ3fFLdQ/Bs81MjumXNmsLq6B8m8dt3jye9rCpjYyWXFYH9UUjdh5FvYkdxsuEtBPO2ol BRV3ioeHBI+VA4VslsMWQhPWa8NPW19BcGezGedjyP2nZHHrjCSpBaMEFjAe2izEFlWn24khwdWk IIDwUAKaG/8GWvvJx/3I48KgCGoNBKlRoSVF6TVe8d3aRhzVYnPdwaK06mHIxqxBCTQtE4vsXy32 Opnj4t2ZiQoLKF6wINbXuhqQzJspY1ZYa0NHbg== ) ;; { "EDNS-VERSION": 0 }
	Found ncbi.nlm.nih.gov nameservers: ns.nih.gov, lhcns1.nlm.nih.gov, dns1-ncbi.ncbi.nlm.nih.gov, ns3.nih.gov, dns2-ncbi.ncbi.nlm.nih.gov, ns2.nih.gov, lhcns2.nlm.nih.gov

ncbi.nlm.nih.gov

	Checking DS between nlm.nih.gov and ncbi.nlm.nih.gov
	Query to lhcns1.nlm.nih.gov for ncbi.nlm.nih.gov/DS
	Received 264 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 264 octets ;; HEADER SECTION ;; id = 65046 ;; 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": 4096, ;; "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 20250920110006 20250821105506 15721 nlm.nih.gov. YpqBQBr89XWGIT2dDBvtLiVBtszkHTLQRaV+Q/WlNte7ILI+8zN85D9kJAxZwZ9SwbDIcjbYKIit Lc/dglgZf1Qy0UF0ahEU5iXFHoWexFI7oXFsj0fsX2D/A8S9sibNRkpVucepxoKa2MZwbZHz4fz6 HDp+1aKc0iFj4XgFtZI= ) ;; 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 20250920110006 20250821105506 15721 nlm.nih.gov. YpqBQBr89XWGIT2dDBvtLiVBtszkHTLQRaV+Q/WlNte7ILI+8zN85D9kJAxZwZ9SwbDIcjbYKIit Lc/dglgZf1Qy0UF0ahEU5iXFHoWexFI7oXFsj0fsX2D/A8S9sibNRkpVucepxoKa2MZwbZHz4fz6 HDp+1aKc0iFj4XgFtZI= )`
	RRSIG=15721 and DNSKEY=15721 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 ns3.nih.gov for ncbi.nlm.nih.gov/DNSKEY
	Received 1205 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 1205 octets ;; HEADER SECTION ;; id = 12660 ;; 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) ;; ncbi.nlm.nih.gov. IN DNSKEY ;; ANSWER SECTION (4 records) ncbi.nlm.nih.gov. 86400 IN DNSKEY ( 257 3 8 AwEAAZpv1rD4NfzPl48ycuzC23w9Oz5w+DJTGuSo4aY6Hjs5McEkMGafG+f+/KVKQJNGOLc3sz0N RWN8O87f4zbS/ohcfYRe59lJdCqHVG1xfYrzGro0PXtqUlqNhBdwvJVeBODffYZAvKrot7RNADeZ 8DSS1EVUdQ+GwGx+KjRWfnUqjvj9wmn0IxWFlPmlAhmx8365k4nocmzgIFMdOWbCpmojzRAqP26+ +AACtPzurFZ1UDp+gr0TnCHYJjTKno7K0she8b0n2QaCPZ4e29P0NUsfCsoPnYzy9CzuLAnl36YW KbmS1lVDYAlRh6LAjA4xDeqgfMsmAjncDYvYqN+ZJ80= ) ; keytag 38815 ncbi.nlm.nih.gov. 86400 IN DNSKEY ( 256 3 8 AwEAAckbjcIcrq6FtRGMe7V+tGEUQ4qLIBOkJphv9sf4mSEKnS2gewnpk5VaneemJg5K9WhHKfk6 IcFkuliVe0BrshwCbiDyEiN2u6mmYO9qGROOLWQAfcpE2l1P4XdJ9GfT57CL8ilu/myAuo6MgPXn 94CAXBPPVg9cNl9Q5QsQPSyYXdjcJUerLYo0QAcb7GRHlCor/nWxUX+BKZ7gvcl1zo1HYPinKP54 vGDYI5AFqBYn4lujwWgIrpeISxdBdsOlskp56JwgEyEt+dBUloFQG8agiRKyjl27ZDCBu5y95wIy CvbjkAAUvqGfvS6/9JajhConHPfpZECJOVbp9kWgBOc= ) ; keytag 16545 ncbi.nlm.nih.gov. 86400 IN RRSIG ( DNSKEY 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Yav+rwBEDzf5rtLXpuU2BWKr4kDNwzaUEtjWNR+PZnWlfMSRGiSrvX8wDfIzlfoKJ455S8ruuQ3S WYldtxcPHZ5QYAUjSqbvSh5nbouTEAx65NJqloWGcwKgCww1wEe/O9IgWcrsr2VGHb3SY0DNHdNh 4sOcp2VVKDfdUqWSGFE615/kWH04UrDTByK3yynwn4MPMqlMCEwb/dnEpODPBktnXPshHpVHjosU 8JxHAc4CfIn+okHSlvwAxEYnuP+xzvenmDusRW9xrzUem3uqYanA2e9gMySYzHPa06X6nwsiqkm4 mMtPazePN3sAq6TuLHJiNJc8qWr3baOkMAjbxw== ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( DNSKEY 8 4 86400 20260203182655 20250807182655 38815 ncbi.nlm.nih.gov. l9GG6tDxE2rspDZS3L/c9Maq4I1zlyZMrK+vBoBB3pux9jWOn2zcDLyJiTk9GW6HjfTiRXVoLgXC vF+m4mqrNK71ADZdMabXYXuuFYBHB9VfOQfhRzz+kGM1/3SAWD3T7f+TXulTfpXrk58hdmZoGuxV d3cHly+xSjd4xwy4KmASYZRQ6aMBuHPREqjJdPfEYldX/VM0fZzNoP5hOgZg/8zImDYO5xGnu5HY hWcpR//QXv07n1JbaTaEw13o/YiZ+c5vC2TXXb4JHLuZJbQwAPO2udv8rnsa1WX1eNLQ0nUaRSq+ O11yWR2X5LvSySmoJn3fm2dBSDJAuR6awtia3w== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for ncbi.nlm.nih.gov
	`ncbi.nlm.nih.gov. 86400 IN DNSKEY ( 257 3 8 AwEAAZpv1rD4NfzPl48ycuzC23w9Oz5w+DJTGuSo4aY6Hjs5McEkMGafG+f+/KVKQJNGOLc3sz0N RWN8O87f4zbS/ohcfYRe59lJdCqHVG1xfYrzGro0PXtqUlqNhBdwvJVeBODffYZAvKrot7RNADeZ 8DSS1EVUdQ+GwGx+KjRWfnUqjvj9wmn0IxWFlPmlAhmx8365k4nocmzgIFMdOWbCpmojzRAqP26+ +AACtPzurFZ1UDp+gr0TnCHYJjTKno7K0she8b0n2QaCPZ4e29P0NUsfCsoPnYzy9CzuLAnl36YW KbmS1lVDYAlRh6LAjA4xDeqgfMsmAjncDYvYqN+ZJ80= ) ; keytag 38815`
	`ncbi.nlm.nih.gov. 86400 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 2 RRSIGs over DNSKEY RRset
	`ncbi.nlm.nih.gov. 86400 IN RRSIG ( DNSKEY 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Yav+rwBEDzf5rtLXpuU2BWKr4kDNwzaUEtjWNR+PZnWlfMSRGiSrvX8wDfIzlfoKJ455S8ruuQ3S WYldtxcPHZ5QYAUjSqbvSh5nbouTEAx65NJqloWGcwKgCww1wEe/O9IgWcrsr2VGHb3SY0DNHdNh 4sOcp2VVKDfdUqWSGFE615/kWH04UrDTByK3yynwn4MPMqlMCEwb/dnEpODPBktnXPshHpVHjosU 8JxHAc4CfIn+okHSlvwAxEYnuP+xzvenmDusRW9xrzUem3uqYanA2e9gMySYzHPa06X6nwsiqkm4 mMtPazePN3sAq6TuLHJiNJc8qWr3baOkMAjbxw== )`
	`ncbi.nlm.nih.gov. 86400 IN RRSIG ( DNSKEY 8 4 86400 20260203182655 20250807182655 38815 ncbi.nlm.nih.gov. l9GG6tDxE2rspDZS3L/c9Maq4I1zlyZMrK+vBoBB3pux9jWOn2zcDLyJiTk9GW6HjfTiRXVoLgXC vF+m4mqrNK71ADZdMabXYXuuFYBHB9VfOQfhRzz+kGM1/3SAWD3T7f+TXulTfpXrk58hdmZoGuxV d3cHly+xSjd4xwy4KmASYZRQ6aMBuHPREqjJdPfEYldX/VM0fZzNoP5hOgZg/8zImDYO5xGnu5HY hWcpR//QXv07n1JbaTaEw13o/YiZ+c5vC2TXXb4JHLuZJbQwAPO2udv8rnsa1WX1eNLQ0nUaRSq+ O11yWR2X5LvSySmoJn3fm2dBSDJAuR6awtia3w== )`
	RRSIG=16545 and DNSKEY=16545 verifies the DNSKEY RRset
	RRSIG=38815 and DNSKEY=38815/SEP verifies the DNSKEY RRset
	DNSKEY=16545 is now in the chain-of-trust
	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 = 38427 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (8 records) 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 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 RRSIG ( NS 8 4 604800 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; 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 ns3.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 795 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 795 octets ;; HEADER SECTION ;; id = 30442 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 10 bbab psocm6l4k3dhkm097m3kqnkkqpr3v9tg A AAAA RRSIG ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Dw+9V3u2s01RsFkGsl28sQgYeoNNKTo+1NQ/kGnCuQGwQmwL98EFBdufeWo7UTWbKh/vdNzYU8RL D+3rj5xviGKcOVgrEwaUoSCra2oo+90Zo13wId5ovFws/osWQbqwLyg7jT3k2yHNrE5d9pcxg0cu RXyN4to+Pdy1b+WvThOxMvCm80HpQ2QsI6kXE/49FQbGxm/DlNS+S8tRTrixROtHQRiKiL+soDJN eVcClHAgcMyC+w9Z6Ed4r9RhMYphLp1gk1mP+vvAdZFw7345uJt8cOTYehU1Uo7YyqAN2uTjP1AM PSy2ERZwZphc5A2YBDTCoosArS5Rq/UU7Bia0g== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found RRSIG signed by ncbi.nlm.nih.gov zone
	Query to lhcns2.nlm.nih.gov for ncbi.nlm.nih.gov/SOA
	Received 941 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 941 octets ;; HEADER SECTION ;; id = 59654 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS 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 lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	Query to lhcns1.nlm.nih.gov for ncbi.nlm.nih.gov/SOA
	Received 941 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 941 octets ;; HEADER SECTION ;; id = 16915 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; 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 ncbi.nlm.nih.gov/SOA
	Received 935 bytes from 130.14.29.31
	;; Response received from [130.14.29.31] 935 octets ;; HEADER SECTION ;; id = 42761 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS 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 dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; 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 = 19174 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 = 63892 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) ;; 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 = 13351 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 = 31336 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS 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 NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== )`
	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 = 38797 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to dns1-ncbi.ncbi.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 795 bytes from 130.14.29.31
	;; Response received from [130.14.29.31] 795 octets ;; HEADER SECTION ;; id = 40033 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 10 bbab psocm6l4k3dhkm097m3kqnkkqpr3v9tg A AAAA RRSIG ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Dw+9V3u2s01RsFkGsl28sQgYeoNNKTo+1NQ/kGnCuQGwQmwL98EFBdufeWo7UTWbKh/vdNzYU8RL D+3rj5xviGKcOVgrEwaUoSCra2oo+90Zo13wId5ovFws/osWQbqwLyg7jT3k2yHNrE5d9pcxg0cu RXyN4to+Pdy1b+WvThOxMvCm80HpQ2QsI6kXE/49FQbGxm/DlNS+S8tRTrixROtHQRiKiL+soDJN eVcClHAgcMyC+w9Z6Ed4r9RhMYphLp1gk1mP+vvAdZFw7345uJt8cOTYehU1Uo7YyqAN2uTjP1AM PSy2ERZwZphc5A2YBDTCoosArS5Rq/UU7Bia0g== ) ;; 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 = 2314 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== )`
	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 = 39622 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to lhcns2.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 795 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 795 octets ;; HEADER SECTION ;; id = 59584 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 10 bbab psocm6l4k3dhkm097m3kqnkkqpr3v9tg A AAAA RRSIG ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Dw+9V3u2s01RsFkGsl28sQgYeoNNKTo+1NQ/kGnCuQGwQmwL98EFBdufeWo7UTWbKh/vdNzYU8RL D+3rj5xviGKcOVgrEwaUoSCra2oo+90Zo13wId5ovFws/osWQbqwLyg7jT3k2yHNrE5d9pcxg0cu RXyN4to+Pdy1b+WvThOxMvCm80HpQ2QsI6kXE/49FQbGxm/DlNS+S8tRTrixROtHQRiKiL+soDJN eVcClHAgcMyC+w9Z6Ed4r9RhMYphLp1gk1mP+vvAdZFw7345uJt8cOTYehU1Uo7YyqAN2uTjP1AM PSy2ERZwZphc5A2YBDTCoosArS5Rq/UU7Bia0g== ) ;; 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 = 32110 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== )`
	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 = 24105 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.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 ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; ADDITIONAL SECTION (5 records) dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN A 130.14.29.32 dns1-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::31 dns2-ncbi.ncbi.nlm.nih.gov. 604800 IN AAAA 2607:f220:41e:4290::32 ;; { "EDNS-VERSION": 0 }
	lhcns2.nlm.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to ns3.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 795 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 795 octets ;; HEADER SECTION ;; id = 16730 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 10 bbab psocm6l4k3dhkm097m3kqnkkqpr3v9tg A AAAA RRSIG ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Dw+9V3u2s01RsFkGsl28sQgYeoNNKTo+1NQ/kGnCuQGwQmwL98EFBdufeWo7UTWbKh/vdNzYU8RL D+3rj5xviGKcOVgrEwaUoSCra2oo+90Zo13wId5ovFws/osWQbqwLyg7jT3k2yHNrE5d9pcxg0cu RXyN4to+Pdy1b+WvThOxMvCm80HpQ2QsI6kXE/49FQbGxm/DlNS+S8tRTrixROtHQRiKiL+soDJN eVcClHAgcMyC+w9Z6Ed4r9RhMYphLp1gk1mP+vvAdZFw7345uJt8cOTYehU1Uo7YyqAN2uTjP1AM PSy2ERZwZphc5A2YBDTCoosArS5Rq/UU7Bia0g== ) ;; 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 = 30326 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (8 records) 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 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 RRSIG ( NS 8 4 604800 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== )`
	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 = 2537 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns3.nih.gov is authoritative for pubmed.ncbi.nlm.nih.gov
	Query to lhcns1.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 795 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 795 octets ;; HEADER SECTION ;; id = 49688 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 10 bbab psocm6l4k3dhkm097m3kqnkkqpr3v9tg A AAAA RRSIG ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Dw+9V3u2s01RsFkGsl28sQgYeoNNKTo+1NQ/kGnCuQGwQmwL98EFBdufeWo7UTWbKh/vdNzYU8RL D+3rj5xviGKcOVgrEwaUoSCra2oo+90Zo13wId5ovFws/osWQbqwLyg7jT3k2yHNrE5d9pcxg0cu RXyN4to+Pdy1b+WvThOxMvCm80HpQ2QsI6kXE/49FQbGxm/DlNS+S8tRTrixROtHQRiKiL+soDJN eVcClHAgcMyC+w9Z6Ed4r9RhMYphLp1gk1mP+vvAdZFw7345uJt8cOTYehU1Uo7YyqAN2uTjP1AM PSy2ERZwZphc5A2YBDTCoosArS5Rq/UU7Bia0g== ) ;; 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 = 36837 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== )`
	RRSIG=16545 and DNSKEY=16545 verifies the A RRset

ncbi.nlm.nih.gov

	Query to dns1-ncbi.ncbi.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 914 bytes from 130.14.29.31
	;; Response received from [130.14.29.31] 914 octets ;; HEADER SECTION ;; id = 51299 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (8 records) 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 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; 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 lhcns1.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/DNSKEY
	Received 795 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 795 octets ;; HEADER SECTION ;; id = 33407 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 10 bbab psocm6l4k3dhkm097m3kqnkkqpr3v9tg A AAAA RRSIG ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Dw+9V3u2s01RsFkGsl28sQgYeoNNKTo+1NQ/kGnCuQGwQmwL98EFBdufeWo7UTWbKh/vdNzYU8RL D+3rj5xviGKcOVgrEwaUoSCra2oo+90Zo13wId5ovFws/osWQbqwLyg7jT3k2yHNrE5d9pcxg0cu RXyN4to+Pdy1b+WvThOxMvCm80HpQ2QsI6kXE/49FQbGxm/DlNS+S8tRTrixROtHQRiKiL+soDJN eVcClHAgcMyC+w9Z6Ed4r9RhMYphLp1gk1mP+vvAdZFw7345uJt8cOTYehU1Uo7YyqAN2uTjP1AM PSy2ERZwZphc5A2YBDTCoosArS5Rq/UU7Bia0g== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found RRSIG signed by ncbi.nlm.nih.gov zone
	Query to dns1-ncbi.ncbi.nlm.nih.gov for pubmed.ncbi.nlm.nih.gov/A
	Received 914 bytes from 130.14.29.31
	;; Response received from [130.14.29.31] 914 octets ;; HEADER SECTION ;; id = 30101 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (8 records) 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 dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== )`
	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 = 44401 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (8 records) ncbi.nlm.nih.gov. 604800 IN NS ns3.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns2-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS ns.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS dns1-ncbi.ncbi.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns2.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; 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 795 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 795 octets ;; HEADER SECTION ;; id = 48945 ;; 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. 2025080701 ;serial 32400 ;refresh 7200 ;retry 1209600 ;expire 172800 ;minimum ) ncbi.nlm.nih.gov. 86400 IN RRSIG ( SOA 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Ye0vl+z+kqQNvCKzydz5DZtmZZpqEhmve/019XeKTXRiWBtsZadiZpBMR8ImT3t6YJ7atgYvhQ5+ rm0LKnFJZSm41EEWp9wKXNEJxrJoYTl8e5VLV1MZ/fY6hWaDJuXn5pbn0ZEVtg3xNMWjAdLA6V/+ sQOx5A5sED6qfwjifi5hhFqQLRIi3cUCp0HSJDwlEWcimbiXwLPlof8seXngiGRvY8gWKV/MeDWX 63wtkQpi+lwubWrl+IIFresq3NdTObLbhs1EGgf9RoRNrO+Bca8cj+1B3Dbu2Yc70VKlEzEnRCyN ESSBBQR8ckFdsKpgFyIFDGp/nP50W5K0r87lbQ== ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN NSEC3 ( 1 0 10 bbab psocm6l4k3dhkm097m3kqnkkqpr3v9tg A AAAA RRSIG ) PRRQ76IRGRPRJCG6T571FBNK7NUA82DN.ncbi.nlm.nih.gov. 86400 IN RRSIG ( NSEC3 8 5 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Dw+9V3u2s01RsFkGsl28sQgYeoNNKTo+1NQ/kGnCuQGwQmwL98EFBdufeWo7UTWbKh/vdNzYU8RL D+3rj5xviGKcOVgrEwaUoSCra2oo+90Zo13wId5ovFws/osWQbqwLyg7jT3k2yHNrE5d9pcxg0cu RXyN4to+Pdy1b+WvThOxMvCm80HpQ2QsI6kXE/49FQbGxm/DlNS+S8tRTrixROtHQRiKiL+soDJN eVcClHAgcMyC+w9Z6Ed4r9RhMYphLp1gk1mP+vvAdZFw7345uJt8cOTYehU1Uo7YyqAN2uTjP1AM PSy2ERZwZphc5A2YBDTCoosArS5Rq/UU7Bia0g== ) ;; 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 = 113 ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== ) ;; AUTHORITY SECTION (8 records) 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 dns2-ncbi.ncbi.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 ns2.nih.gov. ncbi.nlm.nih.gov. 604800 IN NS lhcns1.nlm.nih.gov. ncbi.nlm.nih.gov. 604800 IN RRSIG ( NS 8 4 604800 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5jngN9Go5HvFEqTk1FB5yIj85gysnoyZmHqueHznG+O3LP 5MYaBf8PUIXmdqfe7UMRTyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGMYTuZJ89vkaDso1/o+wcaH9mz bgvTNI8pBExI8d+et03nO7cXtGcsV3FXz02UA+IfiLIt2b03P9+MKy9MP7FmLvwP8ty8mMyrMlKZ WyY1coa72PgsdrgzOx2bsFsxkfW4bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1uVD4uHmfzr/5TPZ6U +Lbqk76rQ6WQFZJK0v8CVjYtbynrIS8yv82Zsw== ) ;; 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 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. YWVaJzvhFaP73mdbzXW+S4VQwffYt53w8UjNI7du3Ng12uziX0E7IZs3YmkpIEFCdnHa1vZ5QUcO a2LTcsWJSnwOTtIMMhEN9aeDZ7sWnC6dXMeVrA0hnQlmmMU4zREogBHF1OJLcD4kMaiXR1rmVN9h uohadj/sQQg+SoM37+qSCUqTzM93TLa5OOzSxJs+paFFHiBQAUJ0PzumlAlALcRxqG39zdiT6Mvj SADpMMIgxXoegD5ZCrGBsCGVVAGoECLpQQJsGOlfbyBMtpwsoIcFFR73R+JrEssd3drnIHjhJsCo wlwhf78XRBhShS3t/Wg3Fnku6l/y8mpBWVALEg== )`
	RRSIG=16545 and DNSKEY=16545 verifies the A RRset

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