DNSSEC Debugger

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Time: 2026-09-12 07:11:57 UTC

Analyzing DNSSEC problems for nlm.gov

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

DS=38696/SHA-256 is now in the chain-of-trust

	Checking DS between Trust Anchor and .
	`. IN DS ( 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d )`
	`. IN DS ( 38696 8 2 683d2d0acb8c9b712a1948b27f741219298d0a450d612c483af444a4c0fb2b16 )`
	Query to l.root-servers.net for ./DNSKEY
	Received 1139 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 1139 octets ;; HEADER SECTION ;; id = 5180 ;; 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) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAeCYD6Z7WWKVLeuWgowKP+3g+Gs1cnLKq7a3CaQxQpv8bfuFVI0WnG33qaSH/Mw9IBgifrdz f4XY/DQLnyBJ9MfaOyAWuEaEmYJ+GQPiwVVfstGwSA1McfFJUttTgq2Huu74KARhtA8wPo/N3Xcy YQtNhz+qCM5NBb3ecx/naw6sYab9LxS6f2cU0q03++BP5Ks0Uef8WJCa/1izCYE+vMkwoltV+tEN a3hpXiZ7jle/xdgaZrPi5ZGmyLVI34g1XVYrNlsCCTmNvFQIfzW5STFQFsQpizczyFn9r3LzSxxP CNwdlCG84bER0BmdwqbF6Tanv+FxMOavrahkj4wIy5k= ) ; keytag 57780 . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20260930000000 20260909000000 20326 . oYSvB9Md+++cwEvRgKH+7O3u5mSWT8tgQ6zxO+A22wU/xfavUVWD6q0A4Tpr1ez840UhnuYEZll3 AoYA+Gv06zGip99UY71evaZ/cSG04Ipz2t6erwiKMbMVQDf4Cx25g28PTJjGuFG62BQxN9GOF8aT F+4KgY3/6kAoLiGVtALiW9d+Pa5LvbLicTif3qvus0u6c63BJ22rK8RXEKaXFD93TlyLprBR80Zv 4smHeqO5hVuVtwxq7/daXiv8laEVQfs9Joq/yjPxz7vaFbaJn00/LgpbpLG6r+y2GteVTLrtvT3v FrxfNH9b9NeYogbF7eUFujmm9TukkkjVxp5tKg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAeCYD6Z7WWKVLeuWgowKP+3g+Gs1cnLKq7a3CaQxQpv8bfuFVI0WnG33qaSH/Mw9IBgifrdz f4XY/DQLnyBJ9MfaOyAWuEaEmYJ+GQPiwVVfstGwSA1McfFJUttTgq2Huu74KARhtA8wPo/N3Xcy YQtNhz+qCM5NBb3ecx/naw6sYab9LxS6f2cU0q03++BP5Ks0Uef8WJCa/1izCYE+vMkwoltV+tEN a3hpXiZ7jle/xdgaZrPi5ZGmyLVI34g1XVYrNlsCCTmNvFQIfzW5STFQFsQpizczyFn9r3LzSxxP CNwdlCG84bER0BmdwqbF6Tanv+FxMOavrahkj4wIy5k= ) ; keytag 57780`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	DNSKEY=20326/SEP is now in the chain-of-trust
	DS=20326/SHA-256 verifies DNSKEY=20326/SEP
	DNSKEY=38696/SEP is now in the chain-of-trust
	DS=38696/SHA-256 verifies DNSKEY=38696/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20260930000000 20260909000000 20326 . oYSvB9Md+++cwEvRgKH+7O3u5mSWT8tgQ6zxO+A22wU/xfavUVWD6q0A4Tpr1ez840UhnuYEZll3 AoYA+Gv06zGip99UY71evaZ/cSG04Ipz2t6erwiKMbMVQDf4Cx25g28PTJjGuFG62BQxN9GOF8aT F+4KgY3/6kAoLiGVtALiW9d+Pa5LvbLicTif3qvus0u6c63BJ22rK8RXEKaXFD93TlyLprBR80Zv 4smHeqO5hVuVtwxq7/daXiv8laEVQfs9Joq/yjPxz7vaFbaJn00/LgpbpLG6r+y2GteVTLrtvT3v FrxfNH9b9NeYogbF7eUFujmm9TukkkjVxp5tKg== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=57780 is now in the chain-of-trust
	Query to c.root-servers.net for nlm.gov/A
	Received 614 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 614 octets ;; HEADER SECTION ;; id = 29161 ;; 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) ;; nlm.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS d.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 20260925050000 20260912040000 57780 . ekC2pKHk4Xb4Y4aa82sJJifwXJqWrer3atrta22PpOmgJN0jr/Mq+xtDnWSpVbdf3zF2D2KAUqMM WeyvNv2mSjcXHzq1xlrAkVHrBshKaxg7OdhdzHw6lxZQmSvezpRYmVV3uOppiJ0s/g3uMZWZyxA3 tu6P3F0ba/9/Ol27xDOyCThH4KoHgEJvuoJqJ+xAKpp6Xz1ZN0S4GNHI8Qdaw7FLd3giVfCAH29f kWrh70KSytZQqWb1sYL8Zbo1bI3c71fHN+SsjITlc8Y27j+SyNrx3yvCOPl4EQP0wKi7pF7zO8P4 1wZJXeKR6DsZJUPwvuHYQUqImjrdoMbkAmqlZQ== ) ;; ADDITIONAL SECTION (9 records) a.ns.gov. 172800 IN A 199.33.230.1 b.ns.gov. 172800 IN A 199.33.231.1 c.ns.gov. 172800 IN A 199.33.232.1 d.ns.gov. 172800 IN A 199.33.233.1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 ;; { "EDNS-VERSION": 0 }
	Query to m.root-servers.net for gov/DNSKEY
	Received 613 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 613 octets ;; HEADER SECTION ;; id = 20109 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS b.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 20260925050000 20260912040000 57780 . ekC2pKHk4Xb4Y4aa82sJJifwXJqWrer3atrta22PpOmgJN0jr/Mq+xtDnWSpVbdf3zF2D2KAUqMM WeyvNv2mSjcXHzq1xlrAkVHrBshKaxg7OdhdzHw6lxZQmSvezpRYmVV3uOppiJ0s/g3uMZWZyxA3 tu6P3F0ba/9/Ol27xDOyCThH4KoHgEJvuoJqJ+xAKpp6Xz1ZN0S4GNHI8Qdaw7FLd3giVfCAH29f kWrh70KSytZQqWb1sYL8Zbo1bI3c71fHN+SsjITlc8Y27j+SyNrx3yvCOPl4EQP0wKi7pF7zO8P4 1wZJXeKR6DsZJUPwvuHYQUqImjrdoMbkAmqlZQ== ) ;; ADDITIONAL SECTION (9 records) d.ns.gov. 172800 IN A 199.33.233.1 c.ns.gov. 172800 IN A 199.33.232.1 b.ns.gov. 172800 IN A 199.33.231.1 a.ns.gov. 172800 IN A 199.33.230.1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 ;; { "EDNS-VERSION": 0 }
	Found child zone gov

gov

	Checking DS between . and gov
	Query to i.root-servers.net for gov/DS
	Received 367 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 367 octets ;; HEADER SECTION ;; id = 46186 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DS ;; ANSWER SECTION (2 records) gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20260925050000 20260912040000 57780 . ekC2pKHk4Xb4Y4aa82sJJifwXJqWrer3atrta22PpOmgJN0jr/Mq+xtDnWSpVbdf3zF2D2KAUqMM WeyvNv2mSjcXHzq1xlrAkVHrBshKaxg7OdhdzHw6lxZQmSvezpRYmVV3uOppiJ0s/g3uMZWZyxA3 tu6P3F0ba/9/Ol27xDOyCThH4KoHgEJvuoJqJ+xAKpp6Xz1ZN0S4GNHI8Qdaw7FLd3giVfCAH29f kWrh70KSytZQqWb1sYL8Zbo1bI3c71fHN+SsjITlc8Y27j+SyNrx3yvCOPl4EQP0wKi7pF7zO8P4 1wZJXeKR6DsZJUPwvuHYQUqImjrdoMbkAmqlZQ== ) ;; 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 20260925050000 20260912040000 57780 . ekC2pKHk4Xb4Y4aa82sJJifwXJqWrer3atrta22PpOmgJN0jr/Mq+xtDnWSpVbdf3zF2D2KAUqMM WeyvNv2mSjcXHzq1xlrAkVHrBshKaxg7OdhdzHw6lxZQmSvezpRYmVV3uOppiJ0s/g3uMZWZyxA3 tu6P3F0ba/9/Ol27xDOyCThH4KoHgEJvuoJqJ+xAKpp6Xz1ZN0S4GNHI8Qdaw7FLd3giVfCAH29f kWrh70KSytZQqWb1sYL8Zbo1bI3c71fHN+SsjITlc8Y27j+SyNrx3yvCOPl4EQP0wKi7pF7zO8P4 1wZJXeKR6DsZJUPwvuHYQUqImjrdoMbkAmqlZQ== )`
	RRSIG=57780 and DNSKEY=57780 verifies the DS RRset
	DS=2536/SHA-256 is now in the chain-of-trust
	`gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 )`
	Query to c.ns.gov for gov/DNSKEY
	Received 291 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 291 octets ;; HEADER SECTION ;; id = 27225 ;; 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 20261027110638 20260827110638 2536 gov. PtRLa+tjVuHiye3klDjS7yugV+CJgjvDc9nmgh/T1kZfHsYlKKP7AZC5rN3tuCnWUBN0JLaqMvvB aOtx0rt13Q== ) ;; 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 20261027110638 20260827110638 2536 gov. PtRLa+tjVuHiye3klDjS7yugV+CJgjvDc9nmgh/T1kZfHsYlKKP7AZC5rN3tuCnWUBN0JLaqMvvB aOtx0rt13Q== )`
	RRSIG=2536 and DNSKEY=2536/SEP verifies the DNSKEY RRset
	DNSKEY=35496 is now in the chain-of-trust
	Query to d.ns.gov for nlm.gov/A
	Received 466 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 466 octets ;; HEADER SECTION ;; id = 20662 ;; 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 = 8 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) nlm.gov. 10800 IN NS lhcns1.nlm.nih.gov. nlm.gov. 10800 IN NS lhcns2.nlm.nih.gov. nlm.gov. 10800 IN NS ns.nih.gov. nlm.gov. 10800 IN NS ns2.nih.gov. nlm.gov. 10800 IN NS ns3.nih.gov. nlm.gov. 3600 IN DS ( 11192 8 2 0b363aed40ab1ca9efc1f750527c1f5a7df6f2c2c13868b7330cf0393ce225a5 ) nlm.gov. 3600 IN DS ( 64967 8 2 ff5b220270b13afcfc0801993c45d208ddc85397d91bb10ff1a447a5dbaa651e ) nlm.gov. 3600 IN RRSIG ( DS 13 2 3600 20260913081157 20260911061157 35496 gov. vJnb4o8XpOaHIgN7UWObX9SecFv70PR5TLbXHWkOKKu9Fdar9LtlA+74LNcQNN9mXhZPfrp/ar7R cBb9Tz24/Q== ) ;; ADDITIONAL SECTION (7 records) ns.nih.gov. 3600 IN A 128.231.128.251 ns.nih.gov. 3600 IN AAAA 2607:f220:404:101::80e7:80fb ns2.nih.gov. 3600 IN A 128.231.64.1 ns2.nih.gov. 3600 IN AAAA 2607:f220:418:4101::80e7:401 ns3.nih.gov. 3600 IN A 165.112.4.230 ns3.nih.gov. 3600 IN AAAA 2607:f220:402:1801::a570:4e6 ;; { "EDNS-VERSION": 0 }
	Query to c.ns.gov for nlm.gov/DNSKEY
	Received 466 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 466 octets ;; HEADER SECTION ;; id = 5295 ;; 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 = 8 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) nlm.gov. 10800 IN NS lhcns1.nlm.nih.gov. nlm.gov. 10800 IN NS lhcns2.nlm.nih.gov. nlm.gov. 10800 IN NS ns.nih.gov. nlm.gov. 10800 IN NS ns2.nih.gov. nlm.gov. 10800 IN NS ns3.nih.gov. nlm.gov. 3600 IN DS ( 11192 8 2 0b363aed40ab1ca9efc1f750527c1f5a7df6f2c2c13868b7330cf0393ce225a5 ) nlm.gov. 3600 IN DS ( 64967 8 2 ff5b220270b13afcfc0801993c45d208ddc85397d91bb10ff1a447a5dbaa651e ) nlm.gov. 3600 IN RRSIG ( DS 13 2 3600 20260913081157 20260911061157 35496 gov. wIAXj7qga/QpJMtron2NfTl4Ot8fYrZrEp2zWz47lo83yOvYQ3jTtOs2lk5CPb0alKHkL+ZuNzv0 h4EH6UG8bg== ) ;; ADDITIONAL SECTION (7 records) ns.nih.gov. 3600 IN A 128.231.128.251 ns.nih.gov. 3600 IN AAAA 2607:f220:404:101::80e7:80fb ns2.nih.gov. 3600 IN A 128.231.64.1 ns2.nih.gov. 3600 IN AAAA 2607:f220:418:4101::80e7:401 ns3.nih.gov. 3600 IN A 165.112.4.230 ns3.nih.gov. 3600 IN AAAA 2607:f220:402:1801::a570:4e6 ;; { "EDNS-VERSION": 0 }
	Found child zone nlm.gov

nlm.gov

	Checking DS between gov and nlm.gov
	Query to b.ns.gov for nlm.gov/DS
	Received 231 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 231 octets ;; HEADER SECTION ;; id = 18520 ;; 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) ;; nlm.gov. IN DS ;; ANSWER SECTION (3 records) nlm.gov. 3600 IN DS ( 11192 8 2 0b363aed40ab1ca9efc1f750527c1f5a7df6f2c2c13868b7330cf0393ce225a5 ) nlm.gov. 3600 IN DS ( 64967 8 2 ff5b220270b13afcfc0801993c45d208ddc85397d91bb10ff1a447a5dbaa651e ) nlm.gov. 3600 IN RRSIG ( DS 13 2 3600 20260913081157 20260911061157 35496 gov. 1KWvlNnm5l3SFL/AlaPk6teSfmlwLVxAF3Ouk3amz4nvr1xpZkJ7QUg3BT8bFzkh7O+DCODA5njX y/LNaYsneQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DS records for nlm.gov in the gov zone
	DS=11192/SHA-256 has algorithm RSASHA256
	DS=64967/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`nlm.gov. 3600 IN RRSIG ( DS 13 2 3600 20260913081157 20260911061157 35496 gov. 1KWvlNnm5l3SFL/AlaPk6teSfmlwLVxAF3Ouk3amz4nvr1xpZkJ7QUg3BT8bFzkh7O+DCODA5njX y/LNaYsneQ== )`
	RRSIG=35496 and DNSKEY=35496 verifies the DS RRset
	DS=11192/SHA-256 is now in the chain-of-trust
	DS=64967/SHA-256 is now in the chain-of-trust
	`nlm.gov. 3600 IN DS ( 11192 8 2 0b363aed40ab1ca9efc1f750527c1f5a7df6f2c2c13868b7330cf0393ce225a5 )`
	`nlm.gov. 3600 IN DS ( 64967 8 2 ff5b220270b13afcfc0801993c45d208ddc85397d91bb10ff1a447a5dbaa651e )`
	Query to ns.nih.gov for nlm.gov/DNSKEY
	Received 755 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 755 octets ;; HEADER SECTION ;; id = 17879 ;; 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.gov. IN DNSKEY ;; ANSWER SECTION (3 records) nlm.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAbQnkZHmxQgSfOqTVIPWvMLbqjQ2wf2GjxXHzdg6azcZ93Bfb+NaBSxkWvVwSNFq1+C8436c pp0zCx9l0X9mJRSoVKFgzlED9BN8X0i48TVYCKVUrVswrPQU6Br0+KydROKIkSxU3RgzOnaMRIjJ xI7r7IaXIJFeeJp04JP8hV0Z ) ; keytag 64959 nlm.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAZ1JRHEiaPkg0chMo0rNlbEzrTn0hyO4m6Ghd7XQNkjQ0VnVU7WOvC8F7tXPU7zQamewKZsm e/ylYJowrxVfgAyW5vFpzPEtUg+228BG3a9RwtLxhLQjKknliQzJI/WvRBWoHOd7Olq2RELNidoR lFfaGiEl/lsqWM6rNqR+l441YUvMWYvDzfq6fcw4uZlNnudbM3UoxHfEDIj+X4pTwNyFGcu2atug 2cUl4XrtvOJhXV9iQHekDbxMOfuP0/jc0Tw7DeqghllvZ2uD78SpupKx2I7RbmMjo0dqgHrbZntC cVAiqA6gp1iIm9qDVu5FeqHc2TFqLSD4QgknhOJCOP0= ) ; keytag 64967 nlm.gov. 3600 IN RRSIG ( DNSKEY 8 2 3600 20260918234745 20260902100006 64967 nlm.gov. DlyTprO3roV0/FXqkceGIvZKAzVbYtT2MmlXGXlMwBZiEALDGsl1NiHJr2kGtkBQ406vYqSzvuff uEgNWhWOjmdsuMyJFUpJd+Hhqmw+Q20bzSeO1uWax2vWMnKK2kWvzEQQZY/YVvoa67A7g9qsCLeg 9efmGZGY5xwkk6Tf+qY/xRO2jrbv1bmIHTMHMHk2cm3TNN9urueX3LzahpvDG8I0xHOIl2yLsoQK ZPiTjCZ+h3YU5YVBp+hX/iOqqxZjPBAPdKBSllSqpwaIkZCjkYHVeAkyWrWLQTvgMn86ALOH30yz 2nZsk4gKBAJ+VEa82FppVUAgJgC7Inx18xQRxQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for nlm.gov
	`nlm.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAbQnkZHmxQgSfOqTVIPWvMLbqjQ2wf2GjxXHzdg6azcZ93Bfb+NaBSxkWvVwSNFq1+C8436c pp0zCx9l0X9mJRSoVKFgzlED9BN8X0i48TVYCKVUrVswrPQU6Br0+KydROKIkSxU3RgzOnaMRIjJ xI7r7IaXIJFeeJp04JP8hV0Z ) ; keytag 64959`
	`nlm.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAZ1JRHEiaPkg0chMo0rNlbEzrTn0hyO4m6Ghd7XQNkjQ0VnVU7WOvC8F7tXPU7zQamewKZsm e/ylYJowrxVfgAyW5vFpzPEtUg+228BG3a9RwtLxhLQjKknliQzJI/WvRBWoHOd7Olq2RELNidoR lFfaGiEl/lsqWM6rNqR+l441YUvMWYvDzfq6fcw4uZlNnudbM3UoxHfEDIj+X4pTwNyFGcu2atug 2cUl4XrtvOJhXV9iQHekDbxMOfuP0/jc0Tw7DeqghllvZ2uD78SpupKx2I7RbmMjo0dqgHrbZntC cVAiqA6gp1iIm9qDVu5FeqHc2TFqLSD4QgknhOJCOP0= ) ; keytag 64967`
	DNSKEY=64967/SEP is now in the chain-of-trust
	DS=64967/SHA-256 verifies DNSKEY=64967/SEP
	DS=11192/SHA-256 is published, but a corresponding DNSKEY is not
	Found 1 RRSIGs over DNSKEY RRset
	`nlm.gov. 3600 IN RRSIG ( DNSKEY 8 2 3600 20260918234745 20260902100006 64967 nlm.gov. DlyTprO3roV0/FXqkceGIvZKAzVbYtT2MmlXGXlMwBZiEALDGsl1NiHJr2kGtkBQ406vYqSzvuff uEgNWhWOjmdsuMyJFUpJd+Hhqmw+Q20bzSeO1uWax2vWMnKK2kWvzEQQZY/YVvoa67A7g9qsCLeg 9efmGZGY5xwkk6Tf+qY/xRO2jrbv1bmIHTMHMHk2cm3TNN9urueX3LzahpvDG8I0xHOIl2yLsoQK ZPiTjCZ+h3YU5YVBp+hX/iOqqxZjPBAPdKBSllSqpwaIkZCjkYHVeAkyWrWLQTvgMn86ALOH30yz 2nZsk4gKBAJ+VEa82FppVUAgJgC7Inx18xQRxQ== )`
	RRSIG=64967 and DNSKEY=64967/SEP verifies the DNSKEY RRset
	DNSKEY=64959 is now in the chain-of-trust
	Query to ns.nih.gov for nlm.gov/A
	Received 219 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 219 octets ;; HEADER SECTION ;; id = 45863 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.gov. IN A ;; ANSWER SECTION (2 records) nlm.gov. 3600 IN A 130.14.16.110 nlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260929110006 20260830105506 64959 nlm.gov. jHobwer6bzQIa1Y7XIxfrjwgi0hrjKb34QPCWEK1b8+2QCcvYmIRUgckyEWLhiCogRTyritO/Anz llokOQRGFqtkUPcGbKw5Nb5o0ZJs5McaADpLBDJY0s3qR2E0k2Q5hO5T86YRwvxXc4uunqOY3rDK ee3AoXVbvc67v0hRPMM= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns.nih.gov is authoritative for nlm.gov
	Found RRSIG signed by nlm.gov zone
	Query to ns2.nih.gov for nlm.gov/SOA
	Received 286 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 286 octets ;; HEADER SECTION ;; id = 35662 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.gov. IN SOA ;; ANSWER SECTION (2 records) nlm.gov. 3600 IN SOA ( lhcns1.nlm.nih.gov. nlmdnshostmaster.mail.nih.gov. 807084008 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 3600 ;minimum ) nlm.gov. 3600 IN RRSIG ( SOA 8 2 3600 20261002110006 20260902100006 64959 nlm.gov. Thj/AbqokrsAsqEntv5D4faEqCbwpDEJzItIBNMowFBK1HiW6ac/+Zxlngu8N83CMpcdq9xnNjXb GUp6e5ExGc+QrCNKCNrE3JNsGagMeqcOpuOn8F4ERmed4gSCAccstEoWxDQYKgsEc3dPT0SV3eHc uTmR2Kfzx765F3eOc7g= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns3.nih.gov for nlm.gov/SOA
	Received 286 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 286 octets ;; HEADER SECTION ;; id = 33120 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.gov. IN SOA ;; ANSWER SECTION (2 records) nlm.gov. 3600 IN SOA ( lhcns1.nlm.nih.gov. nlmdnshostmaster.mail.nih.gov. 807084008 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 3600 ;minimum ) nlm.gov. 3600 IN RRSIG ( SOA 8 2 3600 20261002110006 20260902100006 64959 nlm.gov. Thj/AbqokrsAsqEntv5D4faEqCbwpDEJzItIBNMowFBK1HiW6ac/+Zxlngu8N83CMpcdq9xnNjXb GUp6e5ExGc+QrCNKCNrE3JNsGagMeqcOpuOn8F4ERmed4gSCAccstEoWxDQYKgsEc3dPT0SV3eHc uTmR2Kfzx765F3eOc7g= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to lhcns2.nlm.nih.gov for nlm.gov/SOA
	Received 554 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 554 octets ;; HEADER SECTION ;; id = 59675 ;; 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 = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.gov. IN SOA ;; ANSWER SECTION (2 records) nlm.gov. 3600 IN SOA ( lhcns1.nlm.nih.gov. nlmdnshostmaster.mail.nih.gov. 807084008 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 3600 ;minimum ) nlm.gov. 3600 IN RRSIG ( SOA 8 2 3600 20261002110006 20260902100006 64959 nlm.gov. Thj/AbqokrsAsqEntv5D4faEqCbwpDEJzItIBNMowFBK1HiW6ac/+Zxlngu8N83CMpcdq9xnNjXb GUp6e5ExGc+QrCNKCNrE3JNsGagMeqcOpuOn8F4ERmed4gSCAccstEoWxDQYKgsEc3dPT0SV3eHc uTmR2Kfzx765F3eOc7g= ) ;; AUTHORITY SECTION (6 records) nlm.gov. 86400 IN NS ns3.nih.gov. nlm.gov. 86400 IN NS lhcns2.nlm.nih.gov. nlm.gov. 86400 IN NS ns.nih.gov. nlm.gov. 86400 IN NS ns2.nih.gov. nlm.gov. 86400 IN NS lhcns1.nlm.nih.gov. nlm.gov. 86400 IN RRSIG ( NS 8 2 86400 20260929110006 20260830105506 64959 nlm.gov. h/bsUINE5vgqZMPCSfG5pCaGm91AOJJLR8v79vFLQkIJvTfHIZaYUbtenrz6yOaxAblBMSKvq4vz a9VPCkdJyb2gxg5u34I7uGZLfGOZKAPvt4UvFJ4Cb1UPs6OMfJmvTuwaZPgtEhzGiUvu6560O0BM 9ryGQM1+A3pdzNLpNos= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to lhcns1.nlm.nih.gov for nlm.gov/SOA
	Received 554 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 554 octets ;; HEADER SECTION ;; id = 52636 ;; 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 = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.gov. IN SOA ;; ANSWER SECTION (2 records) nlm.gov. 3600 IN SOA ( lhcns1.nlm.nih.gov. nlmdnshostmaster.mail.nih.gov. 807084008 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 3600 ;minimum ) nlm.gov. 3600 IN RRSIG ( SOA 8 2 3600 20261002110006 20260902100006 64959 nlm.gov. Thj/AbqokrsAsqEntv5D4faEqCbwpDEJzItIBNMowFBK1HiW6ac/+Zxlngu8N83CMpcdq9xnNjXb GUp6e5ExGc+QrCNKCNrE3JNsGagMeqcOpuOn8F4ERmed4gSCAccstEoWxDQYKgsEc3dPT0SV3eHc uTmR2Kfzx765F3eOc7g= ) ;; AUTHORITY SECTION (6 records) nlm.gov. 86400 IN NS ns.nih.gov. nlm.gov. 86400 IN NS ns2.nih.gov. nlm.gov. 86400 IN NS lhcns1.nlm.nih.gov. nlm.gov. 86400 IN NS ns3.nih.gov. nlm.gov. 86400 IN NS lhcns2.nlm.nih.gov. nlm.gov. 86400 IN RRSIG ( NS 8 2 86400 20260929110006 20260830105506 64959 nlm.gov. h/bsUINE5vgqZMPCSfG5pCaGm91AOJJLR8v79vFLQkIJvTfHIZaYUbtenrz6yOaxAblBMSKvq4vz a9VPCkdJyb2gxg5u34I7uGZLfGOZKAPvt4UvFJ4Cb1UPs6OMfJmvTuwaZPgtEhzGiUvu6560O0BM 9ryGQM1+A3pdzNLpNos= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns.nih.gov for nlm.gov/A
	nlm.gov A RR has value 130.14.16.110
	Found 1 RRSIGs over A RRset
	`nlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260929110006 20260830105506 64959 nlm.gov. jHobwer6bzQIa1Y7XIxfrjwgi0hrjKb34QPCWEK1b8+2QCcvYmIRUgckyEWLhiCogRTyritO/Anz llokOQRGFqtkUPcGbKw5Nb5o0ZJs5McaADpLBDJY0s3qR2E0k2Q5hO5T86YRwvxXc4uunqOY3rDK ee3AoXVbvc67v0hRPMM= )`
	RRSIG=64959 and DNSKEY=64959 verifies the A RRset

nlm.gov

	Query to ns2.nih.gov for nlm.gov/A
	Received 219 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 219 octets ;; HEADER SECTION ;; id = 8226 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.gov. IN A ;; ANSWER SECTION (2 records) nlm.gov. 3600 IN A 130.14.16.110 nlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260929110006 20260830105506 64959 nlm.gov. jHobwer6bzQIa1Y7XIxfrjwgi0hrjKb34QPCWEK1b8+2QCcvYmIRUgckyEWLhiCogRTyritO/Anz llokOQRGFqtkUPcGbKw5Nb5o0ZJs5McaADpLBDJY0s3qR2E0k2Q5hO5T86YRwvxXc4uunqOY3rDK ee3AoXVbvc67v0hRPMM= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.nih.gov is authoritative for nlm.gov
	Found RRSIG signed by nlm.gov zone
	Query to ns2.nih.gov for nlm.gov/A
	nlm.gov A RR has value 130.14.16.110
	Found 1 RRSIGs over A RRset
	`nlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260929110006 20260830105506 64959 nlm.gov. jHobwer6bzQIa1Y7XIxfrjwgi0hrjKb34QPCWEK1b8+2QCcvYmIRUgckyEWLhiCogRTyritO/Anz llokOQRGFqtkUPcGbKw5Nb5o0ZJs5McaADpLBDJY0s3qR2E0k2Q5hO5T86YRwvxXc4uunqOY3rDK ee3AoXVbvc67v0hRPMM= )`
	RRSIG=64959 and DNSKEY=64959 verifies the A RRset

nlm.gov

	Query to lhcns2.nlm.nih.gov for nlm.gov/A
	Received 505 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 505 octets ;; HEADER SECTION ;; id = 50747 ;; 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 = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.gov. IN A ;; ANSWER SECTION (2 records) nlm.gov. 3600 IN A 130.14.16.110 nlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260929110006 20260830105506 64959 nlm.gov. jHobwer6bzQIa1Y7XIxfrjwgi0hrjKb34QPCWEK1b8+2QCcvYmIRUgckyEWLhiCogRTyritO/Anz llokOQRGFqtkUPcGbKw5Nb5o0ZJs5McaADpLBDJY0s3qR2E0k2Q5hO5T86YRwvxXc4uunqOY3rDK ee3AoXVbvc67v0hRPMM= ) ;; AUTHORITY SECTION (6 records) nlm.gov. 86400 IN NS ns2.nih.gov. nlm.gov. 86400 IN NS lhcns1.nlm.nih.gov. nlm.gov. 86400 IN NS lhcns2.nlm.nih.gov. nlm.gov. 86400 IN NS ns.nih.gov. nlm.gov. 86400 IN NS ns3.nih.gov. nlm.gov. 86400 IN RRSIG ( NS 8 2 86400 20260929110006 20260830105506 64959 nlm.gov. h/bsUINE5vgqZMPCSfG5pCaGm91AOJJLR8v79vFLQkIJvTfHIZaYUbtenrz6yOaxAblBMSKvq4vz a9VPCkdJyb2gxg5u34I7uGZLfGOZKAPvt4UvFJ4Cb1UPs6OMfJmvTuwaZPgtEhzGiUvu6560O0BM 9ryGQM1+A3pdzNLpNos= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	lhcns2.nlm.nih.gov is authoritative for nlm.gov
	Found RRSIG signed by nlm.gov zone
	Query to lhcns2.nlm.nih.gov for nlm.gov/A
	nlm.gov A RR has value 130.14.16.110
	Found 1 RRSIGs over A RRset
	`nlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260929110006 20260830105506 64959 nlm.gov. jHobwer6bzQIa1Y7XIxfrjwgi0hrjKb34QPCWEK1b8+2QCcvYmIRUgckyEWLhiCogRTyritO/Anz llokOQRGFqtkUPcGbKw5Nb5o0ZJs5McaADpLBDJY0s3qR2E0k2Q5hO5T86YRwvxXc4uunqOY3rDK ee3AoXVbvc67v0hRPMM= )`
	RRSIG=64959 and DNSKEY=64959 verifies the A RRset

nlm.gov

	Query to ns3.nih.gov for nlm.gov/A
	Received 219 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 219 octets ;; HEADER SECTION ;; id = 3996 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.gov. IN A ;; ANSWER SECTION (2 records) nlm.gov. 3600 IN A 130.14.16.110 nlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260929110006 20260830105506 64959 nlm.gov. jHobwer6bzQIa1Y7XIxfrjwgi0hrjKb34QPCWEK1b8+2QCcvYmIRUgckyEWLhiCogRTyritO/Anz llokOQRGFqtkUPcGbKw5Nb5o0ZJs5McaADpLBDJY0s3qR2E0k2Q5hO5T86YRwvxXc4uunqOY3rDK ee3AoXVbvc67v0hRPMM= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns3.nih.gov is authoritative for nlm.gov
	Found RRSIG signed by nlm.gov zone
	Query to ns3.nih.gov for nlm.gov/A
	nlm.gov A RR has value 130.14.16.110
	Found 1 RRSIGs over A RRset
	`nlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260929110006 20260830105506 64959 nlm.gov. jHobwer6bzQIa1Y7XIxfrjwgi0hrjKb34QPCWEK1b8+2QCcvYmIRUgckyEWLhiCogRTyritO/Anz llokOQRGFqtkUPcGbKw5Nb5o0ZJs5McaADpLBDJY0s3qR2E0k2Q5hO5T86YRwvxXc4uunqOY3rDK ee3AoXVbvc67v0hRPMM= )`
	RRSIG=64959 and DNSKEY=64959 verifies the A RRset

nlm.gov

	Query to lhcns1.nlm.nih.gov for nlm.gov/A
	Received 505 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 505 octets ;; HEADER SECTION ;; id = 42149 ;; 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 = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; nlm.gov. IN A ;; ANSWER SECTION (2 records) nlm.gov. 3600 IN A 130.14.16.110 nlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260929110006 20260830105506 64959 nlm.gov. jHobwer6bzQIa1Y7XIxfrjwgi0hrjKb34QPCWEK1b8+2QCcvYmIRUgckyEWLhiCogRTyritO/Anz llokOQRGFqtkUPcGbKw5Nb5o0ZJs5McaADpLBDJY0s3qR2E0k2Q5hO5T86YRwvxXc4uunqOY3rDK ee3AoXVbvc67v0hRPMM= ) ;; AUTHORITY SECTION (6 records) nlm.gov. 86400 IN NS ns2.nih.gov. nlm.gov. 86400 IN NS lhcns2.nlm.nih.gov. nlm.gov. 86400 IN NS lhcns1.nlm.nih.gov. nlm.gov. 86400 IN NS ns.nih.gov. nlm.gov. 86400 IN NS ns3.nih.gov. nlm.gov. 86400 IN RRSIG ( NS 8 2 86400 20260929110006 20260830105506 64959 nlm.gov. h/bsUINE5vgqZMPCSfG5pCaGm91AOJJLR8v79vFLQkIJvTfHIZaYUbtenrz6yOaxAblBMSKvq4vz a9VPCkdJyb2gxg5u34I7uGZLfGOZKAPvt4UvFJ4Cb1UPs6OMfJmvTuwaZPgtEhzGiUvu6560O0BM 9ryGQM1+A3pdzNLpNos= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	lhcns1.nlm.nih.gov is authoritative for nlm.gov
	Found RRSIG signed by nlm.gov zone
	Query to lhcns1.nlm.nih.gov for nlm.gov/A
	nlm.gov A RR has value 130.14.16.110
	Found 1 RRSIGs over A RRset
	`nlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260929110006 20260830105506 64959 nlm.gov. jHobwer6bzQIa1Y7XIxfrjwgi0hrjKb34QPCWEK1b8+2QCcvYmIRUgckyEWLhiCogRTyritO/Anz llokOQRGFqtkUPcGbKw5Nb5o0ZJs5McaADpLBDJY0s3qR2E0k2Q5hO5T86YRwvxXc4uunqOY3rDK ee3AoXVbvc67v0hRPMM= )`
	RRSIG=64959 and DNSKEY=64959 verifies the A RRset

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