DNSSEC Debugger - nnlm.gov

Back to Verisign Labs Tools

Domain Name:

Detail: more(+) / less(-)

Time: 2026-05-18 22:50:43 UTC

Analyzing DNSSEC problems for nnlm.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 g.root-servers.net for ./DNSKEY
	Received 1141 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 1141 octets ;; HEADER SECTION ;; id = 62456 ;; 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": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 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 ( 256 3 8 AwEAAb5dDYffpgAJ8VUGLwQtWXPlQWsjIFJtCM00/XaKU+8ln+ofah3q2KxEIjvzQg+nqdxRj+8e mtPne1mtYcbFWP4Q9E+DniOJLK09R05FuzvGbrG7DDdRDUX/cedFdV7O8pFEAYpJqYNR9BCTIAV9 73DO2biauKSA31b7I2lK/woxoR1tf5cqJ4SMbJUviuHicAEoUi2ATswloZNWd5T5thmEFZnxFx7D 5UgKCY7oflS7+GU7dNJwEtmFnWYVETHN0kHXVz6aguouaAZp706YXNIoR/iTgQhmsR7XX+wL0Z8Q M2LxQIyU6vRZ06IyuJMGRMiwkSuGElbumyBt12JZbrU= ) ; keytag 54393 . 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 20260601000000 20260511000000 20326 . Psn+BsMNwRdKsw1pSQPmOm/QeUqgjveusWdT5NL9sOxccMKpzbYOgLqYNmJsOrAjj0MDy0/X/xbU gAGdRVuOt9mv4yk+TaBs7rpd0IgDZu++2bIAvxu3W82fKEKpJqLucDiPu1l+GKZ87zRYrJrQZZWk 01LmCEIIED9P62/QbhdDVIG3ZdcvXQpRPjWyQOom2tZ0APZ+59PyOxjNMgnOaeoAD8QWZ+iKVY8k o2GRoHRqrzEq46SGDh1YuFxuw67oG7mn+Mt2b9HUjYWgQCvBRSUMb4XRxhNnKQiOS4ECEXCDozMD yXk8727l6bFK0THkaFEqW64F/5CAL8adNRyUoQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 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 ( 256 3 8 AwEAAb5dDYffpgAJ8VUGLwQtWXPlQWsjIFJtCM00/XaKU+8ln+ofah3q2KxEIjvzQg+nqdxRj+8e mtPne1mtYcbFWP4Q9E+DniOJLK09R05FuzvGbrG7DDdRDUX/cedFdV7O8pFEAYpJqYNR9BCTIAV9 73DO2biauKSA31b7I2lK/woxoR1tf5cqJ4SMbJUviuHicAEoUi2ATswloZNWd5T5thmEFZnxFx7D 5UgKCY7oflS7+GU7dNJwEtmFnWYVETHN0kHXVz6aguouaAZp706YXNIoR/iTgQhmsR7XX+wL0Z8Q M2LxQIyU6vRZ06IyuJMGRMiwkSuGElbumyBt12JZbrU= ) ; keytag 54393`
	`. 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 20260601000000 20260511000000 20326 . Psn+BsMNwRdKsw1pSQPmOm/QeUqgjveusWdT5NL9sOxccMKpzbYOgLqYNmJsOrAjj0MDy0/X/xbU gAGdRVuOt9mv4yk+TaBs7rpd0IgDZu++2bIAvxu3W82fKEKpJqLucDiPu1l+GKZ87zRYrJrQZZWk 01LmCEIIED9P62/QbhdDVIG3ZdcvXQpRPjWyQOom2tZ0APZ+59PyOxjNMgnOaeoAD8QWZ+iKVY8k o2GRoHRqrzEq46SGDh1YuFxuw67oG7mn+Mt2b9HUjYWgQCvBRSUMb4XRxhNnKQiOS4ECEXCDozMD yXk8727l6bFK0THkaFEqW64F/5CAL8adNRyUoQ== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=54393 is now in the chain-of-trust
	Query to h.root-servers.net for nnlm.gov/A
	Received 615 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 615 octets ;; HEADER SECTION ;; id = 1328 ;; 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) ;; nnlm.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS b.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20260531200000 20260518190000 54393 . ZvtyKC4Gak8JMF3vCrKsVeyNy53n/JmG8Y9Yo/mQOnT1cnd501y5sVt7hTMXS51n7EbYjnSuj8W2 prFvHB23k1D5LdyMJcHjHk3WMuAMht2S7JizkgdRbpC9cGZNvbwYTpbpZfCzx0FC6yGPIGIq+ju/ RkDyYlXUzDevuo2ihRprTPVKtiTFW/euxCjQsxuOBEw7aX6Ezft5f6W1FbIKf1RiEe2n/FYG4Dgr D6cj7Qpt5eGhhlDA92nniKQVx7PqO86JCyaB69pba6+25QnrVgDl82eKN/WN5DvRT8nPQ715ngeq J5ByU1eZVE4dwzo1xG55Z3VsXMRz7xsTkRNcJg== ) ;; 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 j.root-servers.net for gov/DNSKEY
	Received 610 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 610 octets ;; HEADER SECTION ;; id = 53920 ;; 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": 1472, ;; "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 20260531200000 20260518190000 54393 . ZvtyKC4Gak8JMF3vCrKsVeyNy53n/JmG8Y9Yo/mQOnT1cnd501y5sVt7hTMXS51n7EbYjnSuj8W2 prFvHB23k1D5LdyMJcHjHk3WMuAMht2S7JizkgdRbpC9cGZNvbwYTpbpZfCzx0FC6yGPIGIq+ju/ RkDyYlXUzDevuo2ihRprTPVKtiTFW/euxCjQsxuOBEw7aX6Ezft5f6W1FbIKf1RiEe2n/FYG4Dgr D6cj7Qpt5eGhhlDA92nniKQVx7PqO86JCyaB69pba6+25QnrVgDl82eKN/WN5DvRT8nPQ715ngeq J5ByU1eZVE4dwzo1xG55Z3VsXMRz7xsTkRNcJg== ) ;; ADDITIONAL SECTION (9 records) a.ns.gov. 172800 IN A 199.33.230.1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 b.ns.gov. 172800 IN A 199.33.231.1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 c.ns.gov. 172800 IN A 199.33.232.1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 d.ns.gov. 172800 IN A 199.33.233.1 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 g.root-servers.net for gov/DS
	Received 367 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 367 octets ;; HEADER SECTION ;; id = 62578 ;; 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 20260531200000 20260518190000 54393 . ZvtyKC4Gak8JMF3vCrKsVeyNy53n/JmG8Y9Yo/mQOnT1cnd501y5sVt7hTMXS51n7EbYjnSuj8W2 prFvHB23k1D5LdyMJcHjHk3WMuAMht2S7JizkgdRbpC9cGZNvbwYTpbpZfCzx0FC6yGPIGIq+ju/ RkDyYlXUzDevuo2ihRprTPVKtiTFW/euxCjQsxuOBEw7aX6Ezft5f6W1FbIKf1RiEe2n/FYG4Dgr D6cj7Qpt5eGhhlDA92nniKQVx7PqO86JCyaB69pba6+25QnrVgDl82eKN/WN5DvRT8nPQ715ngeq J5ByU1eZVE4dwzo1xG55Z3VsXMRz7xsTkRNcJg== ) ;; 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 20260531200000 20260518190000 54393 . ZvtyKC4Gak8JMF3vCrKsVeyNy53n/JmG8Y9Yo/mQOnT1cnd501y5sVt7hTMXS51n7EbYjnSuj8W2 prFvHB23k1D5LdyMJcHjHk3WMuAMht2S7JizkgdRbpC9cGZNvbwYTpbpZfCzx0FC6yGPIGIq+ju/ RkDyYlXUzDevuo2ihRprTPVKtiTFW/euxCjQsxuOBEw7aX6Ezft5f6W1FbIKf1RiEe2n/FYG4Dgr D6cj7Qpt5eGhhlDA92nniKQVx7PqO86JCyaB69pba6+25QnrVgDl82eKN/WN5DvRT8nPQ715ngeq J5ByU1eZVE4dwzo1xG55Z3VsXMRz7xsTkRNcJg== )`
	RRSIG=54393 and DNSKEY=54393 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 = 27846 ;; 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 20260629110631 20260429110631 2536 gov. Qgg1Es4+aI25z77ca9+WmIAaFsRI1wiscuQzcuuAK15yizXJ6wuX65HcUGGl9pFfsu4GhrEbjll6 Nm0OGkUh0A== ) ;; 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 20260629110631 20260429110631 2536 gov. Qgg1Es4+aI25z77ca9+WmIAaFsRI1wiscuQzcuuAK15yizXJ6wuX65HcUGGl9pFfsu4GhrEbjll6 Nm0OGkUh0A== )`
	RRSIG=2536 and DNSKEY=2536/SEP verifies the DNSKEY RRset
	DNSKEY=35496 is now in the chain-of-trust
	Query to b.ns.gov for nnlm.gov/A
	Received 419 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 419 octets ;; HEADER SECTION ;; id = 1488 ;; 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 = 7 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nnlm.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) nnlm.gov. 10800 IN NS lhcns1.nlm.nih.gov. nnlm.gov. 10800 IN NS lhcns2.nlm.nih.gov. nnlm.gov. 10800 IN NS ns.nih.gov. nnlm.gov. 10800 IN NS ns2.nih.gov. nnlm.gov. 10800 IN NS ns3.nih.gov. nnlm.gov. 3600 IN DS ( 119 8 2 1180b0a9f27a728b8c507c0a863c04f4c0814ab3da13c8e2b06e805ee728abbd ) nnlm.gov. 3600 IN RRSIG ( DS 13 2 3600 20260519235043 20260517215043 35496 gov. SXkFh24CDAaO2VrFLtKRgrZMYRyupkBXGzgvo/a56gTPNOIl00e96eSyC0FosiVxlIQbXLQ5QGHD 9SpyGfzCBQ== ) ;; 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 nnlm.gov/DNSKEY
	Received 419 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 419 octets ;; HEADER SECTION ;; id = 24640 ;; 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 = 7 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nnlm.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) nnlm.gov. 10800 IN NS lhcns1.nlm.nih.gov. nnlm.gov. 10800 IN NS lhcns2.nlm.nih.gov. nnlm.gov. 10800 IN NS ns.nih.gov. nnlm.gov. 10800 IN NS ns2.nih.gov. nnlm.gov. 10800 IN NS ns3.nih.gov. nnlm.gov. 3600 IN DS ( 119 8 2 1180b0a9f27a728b8c507c0a863c04f4c0814ab3da13c8e2b06e805ee728abbd ) nnlm.gov. 3600 IN RRSIG ( DS 13 2 3600 20260519235043 20260517215043 35496 gov. J7qKMl+FCcKjrfzQMZBd8kUTTaxAciCkpcWRXGXuavaJ+IoF58k64AmVN9/APeUBLLHpwm81CcQq J7CMQnoIFQ== ) ;; 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 nnlm.gov

nnlm.gov

	Checking DS between gov and nnlm.gov
	Query to a.ns.gov for nnlm.gov/DS
	Received 184 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 184 octets ;; HEADER SECTION ;; id = 13712 ;; 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) ;; nnlm.gov. IN DS ;; ANSWER SECTION (2 records) nnlm.gov. 3600 IN DS ( 119 8 2 1180b0a9f27a728b8c507c0a863c04f4c0814ab3da13c8e2b06e805ee728abbd ) nnlm.gov. 3600 IN RRSIG ( DS 13 2 3600 20260519235043 20260517215043 35496 gov. nRVSxCheRAK5fFqupxHDL39NsmhYwMLtHuJEvBZBbsWPLmmehnX0A0vN4GY4maIW17fSfeoHnsmR 3nJCMAocSg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for nnlm.gov in the gov zone
	DS=119/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`nnlm.gov. 3600 IN RRSIG ( DS 13 2 3600 20260519235043 20260517215043 35496 gov. nRVSxCheRAK5fFqupxHDL39NsmhYwMLtHuJEvBZBbsWPLmmehnX0A0vN4GY4maIW17fSfeoHnsmR 3nJCMAocSg== )`
	RRSIG=35496 and DNSKEY=35496 verifies the DS RRset
	DS=119/SHA-256 is now in the chain-of-trust
	`nnlm.gov. 3600 IN DS ( 119 8 2 1180b0a9f27a728b8c507c0a863c04f4c0814ab3da13c8e2b06e805ee728abbd )`
	Query to ns3.nih.gov for nnlm.gov/DNSKEY
	Received 757 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 757 octets ;; HEADER SECTION ;; id = 63582 ;; 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) ;; nnlm.gov. IN DNSKEY ;; ANSWER SECTION (3 records) nnlm.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAadi0+j+YGFMap2niNQpJWaAgdNhaXhxUHd7ts6u19zw436hYgJP/Aeik39R4aJWbIQ+KYjz DirPLxLAWMOOm+iYaakIuQVkXChTKmElMsqV4QVolfnVvUq1U1jHS2wKrzXZyMg0JSU0cIN7Hqxq gcjbhaR/E21R8aLUWoTCp7GhDmfpQFRD+dSyK7qkhQBulTCYrm9X5moH7b8njhF8+HTo8u2wSDQj Nod/gL92Hystew96IaWEB+A2EkQV8qxoG9cx7FGyIuyvJGOUrppXDzSMqFRFdK3Bvd43BFFFsGtF LdIVNZveSiII1pC5awNF29nhpqDtsfkb7liA6Pch6L8= ) ; keytag 119 nnlm.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAetNh1lMlzlhhoFdN75NpDnxIWYS02fpCKJ3gO22kzRDkgg+xJGwIpTPhBPzNVA96LIFoRN6 sJRKQ0t+OO/mcTbus4P1bhzzqt7Kg8yZ8z5l4PCgD409pc8sY/+0Ix0NL2b4aMgdfZdT9C2TjEaD CwQP/50JHE+i0EJyDvY77Pwx ) ; keytag 15256 nnlm.gov. 3600 IN RRSIG ( DNSKEY 8 2 3600 20260530205806 20260430201327 119 nnlm.gov. Vx3OK81CrfF3uvxBLlIxSd2fw6HPJFRVz/GIvTouhNH4Bv0gDd4w9zPzx4G/5XGvr5joyyqgPhnF 0nj/30Yk6RQy5iZtVaF/YmrpQ3uWXfzYgDOWct0fAk7vV3zFzMyn+XMhuKkifExqUahxkXht1fjP 0Rir+CTOzVwlyyUmVdb8QFZuiA7aNYKo7P/U8P2d0gKNXtxADCU0GaCsVH9hnxunmZTF2ODWg1mt Fo+oszwF7v7xhWFX0C7Bm5TrRRfc/4ZG1lk5hJrtkqQbCK4jWbmmJJE1nQa10tqfCB/0mlfjhjDP y0VhiOVJkLGEkgVXMrGw5GK29OpaX3FS9dDNNQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for nnlm.gov
	`nnlm.gov. 3600 IN DNSKEY ( 257 3 8 AwEAAadi0+j+YGFMap2niNQpJWaAgdNhaXhxUHd7ts6u19zw436hYgJP/Aeik39R4aJWbIQ+KYjz DirPLxLAWMOOm+iYaakIuQVkXChTKmElMsqV4QVolfnVvUq1U1jHS2wKrzXZyMg0JSU0cIN7Hqxq gcjbhaR/E21R8aLUWoTCp7GhDmfpQFRD+dSyK7qkhQBulTCYrm9X5moH7b8njhF8+HTo8u2wSDQj Nod/gL92Hystew96IaWEB+A2EkQV8qxoG9cx7FGyIuyvJGOUrppXDzSMqFRFdK3Bvd43BFFFsGtF LdIVNZveSiII1pC5awNF29nhpqDtsfkb7liA6Pch6L8= ) ; keytag 119`
	`nnlm.gov. 3600 IN DNSKEY ( 256 3 8 AwEAAetNh1lMlzlhhoFdN75NpDnxIWYS02fpCKJ3gO22kzRDkgg+xJGwIpTPhBPzNVA96LIFoRN6 sJRKQ0t+OO/mcTbus4P1bhzzqt7Kg8yZ8z5l4PCgD409pc8sY/+0Ix0NL2b4aMgdfZdT9C2TjEaD CwQP/50JHE+i0EJyDvY77Pwx ) ; keytag 15256`
	DNSKEY=119/SEP is now in the chain-of-trust
	DS=119/SHA-256 verifies DNSKEY=119/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`nnlm.gov. 3600 IN RRSIG ( DNSKEY 8 2 3600 20260530205806 20260430201327 119 nnlm.gov. Vx3OK81CrfF3uvxBLlIxSd2fw6HPJFRVz/GIvTouhNH4Bv0gDd4w9zPzx4G/5XGvr5joyyqgPhnF 0nj/30Yk6RQy5iZtVaF/YmrpQ3uWXfzYgDOWct0fAk7vV3zFzMyn+XMhuKkifExqUahxkXht1fjP 0Rir+CTOzVwlyyUmVdb8QFZuiA7aNYKo7P/U8P2d0gKNXtxADCU0GaCsVH9hnxunmZTF2ODWg1mt Fo+oszwF7v7xhWFX0C7Bm5TrRRfc/4ZG1lk5hJrtkqQbCK4jWbmmJJE1nQa10tqfCB/0mlfjhjDP y0VhiOVJkLGEkgVXMrGw5GK29OpaX3FS9dDNNQ== )`
	RRSIG=119 and DNSKEY=119/SEP verifies the DNSKEY RRset
	DNSKEY=15256 is now in the chain-of-trust
	Query to ns2.nih.gov for nnlm.gov/A
	Received 221 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 221 octets ;; HEADER SECTION ;; id = 60689 ;; 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) ;; nnlm.gov. IN A ;; ANSWER SECTION (2 records) nnlm.gov. 3600 IN A 18.233.14.107 nnlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260529104956 20260429100006 15256 nnlm.gov. QXnlTKzqGOKAR8w8Z+EdjGI2C5dEMt6/AjG2UFtXL06cZsERy0OghFAbiBlgPCA74+tdSk9LnTe8 TAuYHczaGd+zyI9QBLOxB/WCoLzecLm5UUlmeqol0dOp75SX/PPnpYwZ43fXsFdQ8S3COSmUeg6A p6B0Xizznp4B2yPZLDw= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.nih.gov is authoritative for nnlm.gov
	Found RRSIG signed by nnlm.gov zone
	Query to ns.nih.gov for nnlm.gov/SOA
	Received 288 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 288 octets ;; HEADER SECTION ;; id = 24672 ;; 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) ;; nnlm.gov. IN SOA ;; ANSWER SECTION (2 records) nnlm.gov. 3600 IN SOA ( lhcns1.nlm.nih.gov. nlmdnshostmaster.mail.nih.gov. 794037614 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 3600 ;minimum ) nnlm.gov. 3600 IN RRSIG ( SOA 8 2 3600 20260530211327 20260430201327 15256 nnlm.gov. V4hbmxJ5i01y6hwmfoT1n1eZ/4nCCdq2AT3Wzqtkl3ddw9itnmtAQq2zT8wb16KW5tYsjdy8tk46 aOIEdxzNVL+LnsngOdtCRTBpLT2JuNOlhVhxOV5fS23xYG5H9PS86FCCbXIV1V59WvMopdsnM7hV lARZ+qY/SWsLlimuZj4= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to lhcns2.nlm.nih.gov for nnlm.gov/SOA
	Received 557 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 557 octets ;; HEADER SECTION ;; id = 12236 ;; 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) ;; nnlm.gov. IN SOA ;; ANSWER SECTION (2 records) nnlm.gov. 3600 IN SOA ( lhcns1.nlm.nih.gov. nlmdnshostmaster.mail.nih.gov. 794037614 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 3600 ;minimum ) nnlm.gov. 3600 IN RRSIG ( SOA 8 2 3600 20260530211327 20260430201327 15256 nnlm.gov. V4hbmxJ5i01y6hwmfoT1n1eZ/4nCCdq2AT3Wzqtkl3ddw9itnmtAQq2zT8wb16KW5tYsjdy8tk46 aOIEdxzNVL+LnsngOdtCRTBpLT2JuNOlhVhxOV5fS23xYG5H9PS86FCCbXIV1V59WvMopdsnM7hV lARZ+qY/SWsLlimuZj4= ) ;; AUTHORITY SECTION (6 records) nnlm.gov. 86400 IN NS lhcns2.nlm.nih.gov. nnlm.gov. 86400 IN NS lhcns1.nlm.nih.gov. nnlm.gov. 86400 IN NS ns3.nih.gov. nnlm.gov. 86400 IN NS ns2.nih.gov. nnlm.gov. 86400 IN NS ns.nih.gov. nnlm.gov. 86400 IN RRSIG ( NS 8 2 86400 20260529104956 20260429100006 15256 nnlm.gov. ePDfNcpP/L3o0/rvYT5jDV2aChQtjAXHVM11VefIBLfhaEzaKtdNrnjV6mmv1IEiCWTapCyzHRNc PVPSEv/sGAdMguAd0H9mTdiBjEF6GuodZuCgIddWanv7lxj4qnfsJSpbwTee2iKNFOU49E3d1dl9 yVTQX/Q3MqZkga1+I14= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to lhcns1.nlm.nih.gov for nnlm.gov/SOA
	Received 557 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 557 octets ;; HEADER SECTION ;; id = 53094 ;; 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) ;; nnlm.gov. IN SOA ;; ANSWER SECTION (2 records) nnlm.gov. 3600 IN SOA ( lhcns1.nlm.nih.gov. nlmdnshostmaster.mail.nih.gov. 794037614 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 3600 ;minimum ) nnlm.gov. 3600 IN RRSIG ( SOA 8 2 3600 20260530211327 20260430201327 15256 nnlm.gov. V4hbmxJ5i01y6hwmfoT1n1eZ/4nCCdq2AT3Wzqtkl3ddw9itnmtAQq2zT8wb16KW5tYsjdy8tk46 aOIEdxzNVL+LnsngOdtCRTBpLT2JuNOlhVhxOV5fS23xYG5H9PS86FCCbXIV1V59WvMopdsnM7hV lARZ+qY/SWsLlimuZj4= ) ;; AUTHORITY SECTION (6 records) nnlm.gov. 86400 IN NS ns2.nih.gov. nnlm.gov. 86400 IN NS ns3.nih.gov. nnlm.gov. 86400 IN NS lhcns1.nlm.nih.gov. nnlm.gov. 86400 IN NS lhcns2.nlm.nih.gov. nnlm.gov. 86400 IN NS ns.nih.gov. nnlm.gov. 86400 IN RRSIG ( NS 8 2 86400 20260529104956 20260429100006 15256 nnlm.gov. ePDfNcpP/L3o0/rvYT5jDV2aChQtjAXHVM11VefIBLfhaEzaKtdNrnjV6mmv1IEiCWTapCyzHRNc PVPSEv/sGAdMguAd0H9mTdiBjEF6GuodZuCgIddWanv7lxj4qnfsJSpbwTee2iKNFOU49E3d1dl9 yVTQX/Q3MqZkga1+I14= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns3.nih.gov for nnlm.gov/SOA
	Received 288 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 288 octets ;; HEADER SECTION ;; id = 49216 ;; 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) ;; nnlm.gov. IN SOA ;; ANSWER SECTION (2 records) nnlm.gov. 3600 IN SOA ( lhcns1.nlm.nih.gov. nlmdnshostmaster.mail.nih.gov. 794037614 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 3600 ;minimum ) nnlm.gov. 3600 IN RRSIG ( SOA 8 2 3600 20260530211327 20260430201327 15256 nnlm.gov. V4hbmxJ5i01y6hwmfoT1n1eZ/4nCCdq2AT3Wzqtkl3ddw9itnmtAQq2zT8wb16KW5tYsjdy8tk46 aOIEdxzNVL+LnsngOdtCRTBpLT2JuNOlhVhxOV5fS23xYG5H9PS86FCCbXIV1V59WvMopdsnM7hV lARZ+qY/SWsLlimuZj4= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns2.nih.gov for nnlm.gov/A
	nnlm.gov A RR has value 18.233.14.107
	Found 1 RRSIGs over A RRset
	`nnlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260529104956 20260429100006 15256 nnlm.gov. QXnlTKzqGOKAR8w8Z+EdjGI2C5dEMt6/AjG2UFtXL06cZsERy0OghFAbiBlgPCA74+tdSk9LnTe8 TAuYHczaGd+zyI9QBLOxB/WCoLzecLm5UUlmeqol0dOp75SX/PPnpYwZ43fXsFdQ8S3COSmUeg6A p6B0Xizznp4B2yPZLDw= )`
	RRSIG=15256 and DNSKEY=15256 verifies the A RRset

nnlm.gov

	Query to ns3.nih.gov for nnlm.gov/A
	Received 221 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 221 octets ;; HEADER SECTION ;; id = 59815 ;; 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) ;; nnlm.gov. IN A ;; ANSWER SECTION (2 records) nnlm.gov. 3600 IN A 18.233.14.107 nnlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260529104956 20260429100006 15256 nnlm.gov. QXnlTKzqGOKAR8w8Z+EdjGI2C5dEMt6/AjG2UFtXL06cZsERy0OghFAbiBlgPCA74+tdSk9LnTe8 TAuYHczaGd+zyI9QBLOxB/WCoLzecLm5UUlmeqol0dOp75SX/PPnpYwZ43fXsFdQ8S3COSmUeg6A p6B0Xizznp4B2yPZLDw= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns3.nih.gov is authoritative for nnlm.gov
	Found RRSIG signed by nnlm.gov zone
	Query to ns3.nih.gov for nnlm.gov/A
	nnlm.gov A RR has value 18.233.14.107
	Found 1 RRSIGs over A RRset
	`nnlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260529104956 20260429100006 15256 nnlm.gov. QXnlTKzqGOKAR8w8Z+EdjGI2C5dEMt6/AjG2UFtXL06cZsERy0OghFAbiBlgPCA74+tdSk9LnTe8 TAuYHczaGd+zyI9QBLOxB/WCoLzecLm5UUlmeqol0dOp75SX/PPnpYwZ43fXsFdQ8S3COSmUeg6A p6B0Xizznp4B2yPZLDw= )`
	RRSIG=15256 and DNSKEY=15256 verifies the A RRset

nnlm.gov

	Query to lhcns1.nlm.nih.gov for nnlm.gov/A
	Received 508 bytes from 130.14.55.72
	;; Response received from [130.14.55.72] 508 octets ;; HEADER SECTION ;; id = 50876 ;; 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) ;; nnlm.gov. IN A ;; ANSWER SECTION (2 records) nnlm.gov. 3600 IN A 18.233.14.107 nnlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260529104956 20260429100006 15256 nnlm.gov. QXnlTKzqGOKAR8w8Z+EdjGI2C5dEMt6/AjG2UFtXL06cZsERy0OghFAbiBlgPCA74+tdSk9LnTe8 TAuYHczaGd+zyI9QBLOxB/WCoLzecLm5UUlmeqol0dOp75SX/PPnpYwZ43fXsFdQ8S3COSmUeg6A p6B0Xizznp4B2yPZLDw= ) ;; AUTHORITY SECTION (6 records) nnlm.gov. 86400 IN NS ns.nih.gov. nnlm.gov. 86400 IN NS lhcns2.nlm.nih.gov. nnlm.gov. 86400 IN NS lhcns1.nlm.nih.gov. nnlm.gov. 86400 IN NS ns2.nih.gov. nnlm.gov. 86400 IN NS ns3.nih.gov. nnlm.gov. 86400 IN RRSIG ( NS 8 2 86400 20260529104956 20260429100006 15256 nnlm.gov. ePDfNcpP/L3o0/rvYT5jDV2aChQtjAXHVM11VefIBLfhaEzaKtdNrnjV6mmv1IEiCWTapCyzHRNc PVPSEv/sGAdMguAd0H9mTdiBjEF6GuodZuCgIddWanv7lxj4qnfsJSpbwTee2iKNFOU49E3d1dl9 yVTQX/Q3MqZkga1+I14= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	lhcns1.nlm.nih.gov is authoritative for nnlm.gov
	Found RRSIG signed by nnlm.gov zone
	Query to lhcns1.nlm.nih.gov for nnlm.gov/A
	nnlm.gov A RR has value 18.233.14.107
	Found 1 RRSIGs over A RRset
	`nnlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260529104956 20260429100006 15256 nnlm.gov. QXnlTKzqGOKAR8w8Z+EdjGI2C5dEMt6/AjG2UFtXL06cZsERy0OghFAbiBlgPCA74+tdSk9LnTe8 TAuYHczaGd+zyI9QBLOxB/WCoLzecLm5UUlmeqol0dOp75SX/PPnpYwZ43fXsFdQ8S3COSmUeg6A p6B0Xizznp4B2yPZLDw= )`
	RRSIG=15256 and DNSKEY=15256 verifies the A RRset

nnlm.gov

	Query to lhcns2.nlm.nih.gov for nnlm.gov/A
	Received 508 bytes from 130.14.55.128
	;; Response received from [130.14.55.128] 508 octets ;; HEADER SECTION ;; id = 14516 ;; 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) ;; nnlm.gov. IN A ;; ANSWER SECTION (2 records) nnlm.gov. 3600 IN A 18.233.14.107 nnlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260529104956 20260429100006 15256 nnlm.gov. QXnlTKzqGOKAR8w8Z+EdjGI2C5dEMt6/AjG2UFtXL06cZsERy0OghFAbiBlgPCA74+tdSk9LnTe8 TAuYHczaGd+zyI9QBLOxB/WCoLzecLm5UUlmeqol0dOp75SX/PPnpYwZ43fXsFdQ8S3COSmUeg6A p6B0Xizznp4B2yPZLDw= ) ;; AUTHORITY SECTION (6 records) nnlm.gov. 86400 IN NS ns3.nih.gov. nnlm.gov. 86400 IN NS ns2.nih.gov. nnlm.gov. 86400 IN NS lhcns2.nlm.nih.gov. nnlm.gov. 86400 IN NS lhcns1.nlm.nih.gov. nnlm.gov. 86400 IN NS ns.nih.gov. nnlm.gov. 86400 IN RRSIG ( NS 8 2 86400 20260529104956 20260429100006 15256 nnlm.gov. ePDfNcpP/L3o0/rvYT5jDV2aChQtjAXHVM11VefIBLfhaEzaKtdNrnjV6mmv1IEiCWTapCyzHRNc PVPSEv/sGAdMguAd0H9mTdiBjEF6GuodZuCgIddWanv7lxj4qnfsJSpbwTee2iKNFOU49E3d1dl9 yVTQX/Q3MqZkga1+I14= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	lhcns2.nlm.nih.gov is authoritative for nnlm.gov
	Found RRSIG signed by nnlm.gov zone
	Query to lhcns2.nlm.nih.gov for nnlm.gov/A
	nnlm.gov A RR has value 18.233.14.107
	Found 1 RRSIGs over A RRset
	`nnlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260529104956 20260429100006 15256 nnlm.gov. QXnlTKzqGOKAR8w8Z+EdjGI2C5dEMt6/AjG2UFtXL06cZsERy0OghFAbiBlgPCA74+tdSk9LnTe8 TAuYHczaGd+zyI9QBLOxB/WCoLzecLm5UUlmeqol0dOp75SX/PPnpYwZ43fXsFdQ8S3COSmUeg6A p6B0Xizznp4B2yPZLDw= )`
	RRSIG=15256 and DNSKEY=15256 verifies the A RRset

nnlm.gov

	Query to ns.nih.gov for nnlm.gov/A
	Received 221 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 221 octets ;; HEADER SECTION ;; id = 28117 ;; 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) ;; nnlm.gov. IN A ;; ANSWER SECTION (2 records) nnlm.gov. 3600 IN A 18.233.14.107 nnlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260529104956 20260429100006 15256 nnlm.gov. QXnlTKzqGOKAR8w8Z+EdjGI2C5dEMt6/AjG2UFtXL06cZsERy0OghFAbiBlgPCA74+tdSk9LnTe8 TAuYHczaGd+zyI9QBLOxB/WCoLzecLm5UUlmeqol0dOp75SX/PPnpYwZ43fXsFdQ8S3COSmUeg6A p6B0Xizznp4B2yPZLDw= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns.nih.gov is authoritative for nnlm.gov
	Found RRSIG signed by nnlm.gov zone
	Query to ns.nih.gov for nnlm.gov/A
	nnlm.gov A RR has value 18.233.14.107
	Found 1 RRSIGs over A RRset
	`nnlm.gov. 3600 IN RRSIG ( A 8 2 3600 20260529104956 20260429100006 15256 nnlm.gov. QXnlTKzqGOKAR8w8Z+EdjGI2C5dEMt6/AjG2UFtXL06cZsERy0OghFAbiBlgPCA74+tdSk9LnTe8 TAuYHczaGd+zyI9QBLOxB/WCoLzecLm5UUlmeqol0dOp75SX/PPnpYwZ43fXsFdQ8S3COSmUeg6A p6B0Xizznp4B2yPZLDw= )`
	RRSIG=15256 and DNSKEY=15256 verifies the A RRset

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test nnlm.gov at dnsviz.net.

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: