DNSSEC Debugger - airnow.gov

Domain Name:

Time: 2025-06-13 03:21:04 UTC

Analyzing DNSSEC problems for airnow.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 e.root-servers.net for ./DNSKEY
	Received 1139 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 1139 octets ;; HEADER SECTION ;; id = 170 ;; 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 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148 . 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 20250701000000 20250610000000 20326 . OHe0Mpi7CjfdHb6mzoMdtiIK2AeOV8gzZ0SAtAWNRQUAp5LfxOTjnrITKSaiXdqMcbirMKzxvnhY 7LKJj2f+Qbua+1bJ5IWvirUOISxrr/VUnvUDThogSUj2KaO9c674g/SUUmh+k5NHaTOlebsvMl3D urfKqZlY725GKHhXUxqBcbVjnCDNN4JB5lZ38qSp3WReJ8O+RKcg3h3cLVy3Y9eRzJpxk3mnR6mD 79fhqoV760hk0b/FrGlZcA33mLSIsvDBxzgICsQeMEA5I3/fAL3pSCtxeU2f5ThltB8qnb9uldrj ZI+7yYdSTmpYoQ6j8IcGowEcL4zwRG52ezQMaQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	DNSKEY=20326/SEP is now in the chain-of-trust
	DS=20326/SHA-256 verifies DNSKEY=20326/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20250701000000 20250610000000 20326 . OHe0Mpi7CjfdHb6mzoMdtiIK2AeOV8gzZ0SAtAWNRQUAp5LfxOTjnrITKSaiXdqMcbirMKzxvnhY 7LKJj2f+Qbua+1bJ5IWvirUOISxrr/VUnvUDThogSUj2KaO9c674g/SUUmh+k5NHaTOlebsvMl3D urfKqZlY725GKHhXUxqBcbVjnCDNN4JB5lZ38qSp3WReJ8O+RKcg3h3cLVy3Y9eRzJpxk3mnR6mD 79fhqoV760hk0b/FrGlZcA33mLSIsvDBxzgICsQeMEA5I3/fAL3pSCtxeU2f5ThltB8qnb9uldrj ZI+7yYdSTmpYoQ6j8IcGowEcL4zwRG52ezQMaQ== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=53148 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to k.root-servers.net for airnow.gov/A
	Received 617 bytes from 193.0.14.129
	;; Response received from [193.0.14.129] 617 octets ;; HEADER SECTION ;; id = 1275 ;; 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) ;; airnow.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 20250625170000 20250612160000 53148 . U+OfvQFfJwMnBMHOrt9LLbpC6mcNciV/NXTE+KoU2jKN8ntU4LyGqbV3bOmM1PZH+EpA/BdxnCXv b61PhzqxixaOrZgaorIXD1P/GiCJoyCFoG1dD/q6IIGf+mt4F4VXD5zvwhCisPh2AI2mZQt/vR/d FUnsY11Gc6PC28zDyr29++dUlXjOYnME/BtVfzefb7uyY5raos7j+92aln2TRrFjetoNAJqVRNcG d/tNaYHddBwlILKyfeMJ5tz38SSyl4/eSOzRBFqCYQkOvSJVCEtxBi/JRAum57idPfik0zJmlyZr /oobArbuZHVuAbi1mYXXktneI1oBJJPwnRTm4g== ) ;; 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 k.root-servers.net for gov/DNSKEY
	Received 610 bytes from 193.0.14.129
	;; Response received from [193.0.14.129] 610 octets ;; HEADER SECTION ;; id = 17648 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS b.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20250625170000 20250612160000 53148 . U+OfvQFfJwMnBMHOrt9LLbpC6mcNciV/NXTE+KoU2jKN8ntU4LyGqbV3bOmM1PZH+EpA/BdxnCXv b61PhzqxixaOrZgaorIXD1P/GiCJoyCFoG1dD/q6IIGf+mt4F4VXD5zvwhCisPh2AI2mZQt/vR/d FUnsY11Gc6PC28zDyr29++dUlXjOYnME/BtVfzefb7uyY5raos7j+92aln2TRrFjetoNAJqVRNcG d/tNaYHddBwlILKyfeMJ5tz38SSyl4/eSOzRBFqCYQkOvSJVCEtxBi/JRAum57idPfik0zJmlyZr /oobArbuZHVuAbi1mYXXktneI1oBJJPwnRTm4g== ) ;; 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 j.root-servers.net for gov/DS
	Received 367 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 367 octets ;; HEADER SECTION ;; id = 11501 ;; 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": 1472, ;; "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 20250625170000 20250612160000 53148 . U+OfvQFfJwMnBMHOrt9LLbpC6mcNciV/NXTE+KoU2jKN8ntU4LyGqbV3bOmM1PZH+EpA/BdxnCXv b61PhzqxixaOrZgaorIXD1P/GiCJoyCFoG1dD/q6IIGf+mt4F4VXD5zvwhCisPh2AI2mZQt/vR/d FUnsY11Gc6PC28zDyr29++dUlXjOYnME/BtVfzefb7uyY5raos7j+92aln2TRrFjetoNAJqVRNcG d/tNaYHddBwlILKyfeMJ5tz38SSyl4/eSOzRBFqCYQkOvSJVCEtxBi/JRAum57idPfik0zJmlyZr /oobArbuZHVuAbi1mYXXktneI1oBJJPwnRTm4g== ) ;; 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 20250625170000 20250612160000 53148 . U+OfvQFfJwMnBMHOrt9LLbpC6mcNciV/NXTE+KoU2jKN8ntU4LyGqbV3bOmM1PZH+EpA/BdxnCXv b61PhzqxixaOrZgaorIXD1P/GiCJoyCFoG1dD/q6IIGf+mt4F4VXD5zvwhCisPh2AI2mZQt/vR/d FUnsY11Gc6PC28zDyr29++dUlXjOYnME/BtVfzefb7uyY5raos7j+92aln2TRrFjetoNAJqVRNcG d/tNaYHddBwlILKyfeMJ5tz38SSyl4/eSOzRBFqCYQkOvSJVCEtxBi/JRAum57idPfik0zJmlyZr /oobArbuZHVuAbi1mYXXktneI1oBJJPwnRTm4g== )`
	RRSIG=53148 and DNSKEY=53148 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 = 42018 ;; 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 20250728110601 20250528110601 2536 gov. cQ24oNKv4fJR0mK78lfcydHde1hE7NEcfXLUdWBw7rfyauIEXELjPclL5PveJUbqD2WzhvINzm5m 5SKC6DoxIw== ) ;; 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 20250728110601 20250528110601 2536 gov. cQ24oNKv4fJR0mK78lfcydHde1hE7NEcfXLUdWBw7rfyauIEXELjPclL5PveJUbqD2WzhvINzm5m 5SKC6DoxIw== )`
	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 airnow.gov/A
	Received 496 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 496 octets ;; HEADER SECTION ;; id = 31077 ;; 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 = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; airnow.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) airnow.gov. 10800 IN NS dcns1.epa.gov. airnow.gov. 10800 IN NS dcns2.epa.gov. airnow.gov. 10800 IN NS nccns1.epa.gov. airnow.gov. 10800 IN NS nccns2.epa.gov. airnow.gov. 3600 IN DS ( 13009 8 2 3153a088767dff5f4411037dca8dc1cbfdb8880e7151de61c91eba6175a580c9 ) airnow.gov. 3600 IN DS ( 13180 8 2 371805368a372ec4c5b6c0a8e49faa786317ae04d918b53599cf20e21e2c691a ) airnow.gov. 3600 IN RRSIG ( DS 13 2 3600 20250614042104 20250612022104 35496 gov. 7ExpITBv3/O8cveEk2m2hrGxoL+cJP+OuuhsTaz1SYSaO5/SqZTOylX3IOFhlQt/nRc0Uep1deTe VvjG8ix4WQ== ) ;; ADDITIONAL SECTION (9 records) dcns1.epa.gov. 3600 IN A 161.80.212.5 dcns1.epa.gov. 3600 IN AAAA 2620:117:5071:d4::f005 dcns2.epa.gov. 3600 IN A 161.80.212.15 dcns2.epa.gov. 3600 IN AAAA 2620:117:5071:d4::f00f nccns1.epa.gov. 3600 IN A 134.67.12.5 nccns1.epa.gov. 3600 IN AAAA 2620:117:506f:c::f005 nccns2.epa.gov. 3600 IN A 134.67.12.15 nccns2.epa.gov. 3600 IN AAAA 2620:117:506f:c::f00f ;; { "EDNS-VERSION": 0 }
	Query to a.ns.gov for airnow.gov/DNSKEY
	Received 496 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 496 octets ;; HEADER SECTION ;; id = 51220 ;; 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 = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; airnow.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) airnow.gov. 10800 IN NS dcns1.epa.gov. airnow.gov. 10800 IN NS dcns2.epa.gov. airnow.gov. 10800 IN NS nccns1.epa.gov. airnow.gov. 10800 IN NS nccns2.epa.gov. airnow.gov. 3600 IN DS ( 13009 8 2 3153a088767dff5f4411037dca8dc1cbfdb8880e7151de61c91eba6175a580c9 ) airnow.gov. 3600 IN DS ( 13180 8 2 371805368a372ec4c5b6c0a8e49faa786317ae04d918b53599cf20e21e2c691a ) airnow.gov. 3600 IN RRSIG ( DS 13 2 3600 20250614042104 20250612022104 35496 gov. W4vCRsj+4HsHKGabWOkxtLFhWJU33p/jz9Ni+Uis6T7cLVeyBQGVrdSGh2bHb21RFgEvkJI8pcH4 sufMBOXrmw== ) ;; ADDITIONAL SECTION (9 records) dcns1.epa.gov. 3600 IN A 161.80.212.5 dcns1.epa.gov. 3600 IN AAAA 2620:117:5071:d4::f005 dcns2.epa.gov. 3600 IN A 161.80.212.15 dcns2.epa.gov. 3600 IN AAAA 2620:117:5071:d4::f00f nccns1.epa.gov. 3600 IN A 134.67.12.5 nccns1.epa.gov. 3600 IN AAAA 2620:117:506f:c::f005 nccns2.epa.gov. 3600 IN A 134.67.12.15 nccns2.epa.gov. 3600 IN AAAA 2620:117:506f:c::f00f ;; { "EDNS-VERSION": 0 }
	Found child zone airnow.gov

airnow.gov

	Checking DS between gov and airnow.gov
	Query to c.ns.gov for airnow.gov/DS
	Received 234 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 234 octets ;; HEADER SECTION ;; id = 44125 ;; 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) ;; airnow.gov. IN DS ;; ANSWER SECTION (3 records) airnow.gov. 3600 IN DS ( 13009 8 2 3153a088767dff5f4411037dca8dc1cbfdb8880e7151de61c91eba6175a580c9 ) airnow.gov. 3600 IN DS ( 13180 8 2 371805368a372ec4c5b6c0a8e49faa786317ae04d918b53599cf20e21e2c691a ) airnow.gov. 3600 IN RRSIG ( DS 13 2 3600 20250614042104 20250612022104 35496 gov. yKkRy69jMSUJctK6pJnS58HMJM4FpFEd584E5QClMdqiTisbxoUZ+v2r13+VqZkAp81DQGsWBP6b yun/tgzVlg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DS records for airnow.gov in the gov zone
	DS=13009/SHA-256 has algorithm RSASHA256
	DS=13180/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`airnow.gov. 3600 IN RRSIG ( DS 13 2 3600 20250614042104 20250612022104 35496 gov. yKkRy69jMSUJctK6pJnS58HMJM4FpFEd584E5QClMdqiTisbxoUZ+v2r13+VqZkAp81DQGsWBP6b yun/tgzVlg== )`
	RRSIG=35496 and DNSKEY=35496 verifies the DS RRset
	DS=13009/SHA-256 is now in the chain-of-trust
	DS=13180/SHA-256 is now in the chain-of-trust
	`airnow.gov. 3600 IN DS ( 13009 8 2 3153a088767dff5f4411037dca8dc1cbfdb8880e7151de61c91eba6175a580c9 )`
	`airnow.gov. 3600 IN DS ( 13180 8 2 371805368a372ec4c5b6c0a8e49faa786317ae04d918b53599cf20e21e2c691a )`
	Query to nccns1.epa.gov for airnow.gov/DNSKEY
	Received 1801 bytes from 134.67.12.5
	;; Response received from [134.67.12.5] 1801 octets ;; HEADER SECTION ;; id = 40800 ;; 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 = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; airnow.gov. IN DNSKEY ;; ANSWER SECTION (8 records) airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAbWYPSVX6sVlDlvo+jMV3NI8JtikaYArEr1mnBoQ+/i65HvCS10ciO+fcoo4GtbafNoM53p+ 7u1E4Lsm+X72tif6B3N4hyQyZm3LJTuh/bCUhHzYe6QR2zChwKvjmdq6vyEmu0st4uNH+mqhvxk/ MgCsFlD2HqE0FXx8QG8uoF7Z ) ; keytag 15255 airnow.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAZv34belJ387LywtJMlGDsWKbw0C19UPJST6pXkAKOvb+95N+HzAnw1uzq3Mrd95HOX5pjY1 GUeXg8eU8mqzFoirgN2Kp7tOfrtVnmSoEEMPeH6iQIlOPj1Yybe/PrOG8V/RI4lMJQOpg83agbXi IMdoWpDL9gvVHEuXM4x3+fllJ7bSCxEocfAXj8nCuc2qz9fiE/m0wjC4BMfUuz2Zsx84nK4vvO7s /rXnZp0FBQ31qOzSTDllbapIYPLSt9Q8DJwJ3fcG4eKL+equjP/N23wu9/l5okm20soQCjr4LWRU iqlxbKnG7cxsLmLWRtctnXTEyoPKQnfBsqJSb1Ws3ic= ) ; keytag 13009 airnow.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAdu3aO2mEFhP/mdcy8vyEsYnvSoNuX/FT5mYuLtS5a7Nf6skrWsBe/zdgd+KxtUmZIQl5gKB dXPF3gcimQd5Uj7hCHKOyCqFiDPCcflv+1Vf0yOXAxFt1pXL9+LsrVOKUNiRQmn5Jmc6s9LDXqKX 8U5KcQ7537F8OGa8a6UCsAsKF9Hg1ZqGt9E7VfsxbIatjbhZxwtaEahcgC8r3E/2d2WALlNLkmCU a+jTxZMUGZ7qqjmcQs+qrIfjLj8i/QhhO7cQ2OmlfZU3iUmFIzKRqRsPMsqHY6QS4VoUdmPCycM0 2fmttbGH7AGK1pg3saYouu+La0iRtTChVElHSV8gdLs= ) ; keytag 13180 airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAbzGODf9EG/eX3KwafuCn8+QVu4k73biaHCgbZLyAl5qMrsQYfb+dyZb19Sk2SxxC48TZzzl u/N0vLcKOozUsgYH1UOsO1HK9k12S9VKbBjJuVive8edLFWSIfyIADRDGYlwbtIfejLRTMFhLR5A 0dIq7JnSWhgqpxG1T/MpWYfZ ) ; keytag 22104 airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAeJtr6JFRTVItw3rwK1OnzzfrGhdcf7mw1TmBTDEaeid5xJtAKVr0H0P74sdIunmuiAa55VT 2l88T3/Ex4QwXmTeeMyGGl1lDyfxb5R7mraGDdK9zwRg02o77yF+hugy1dxn03negJpenVqUZQrw z/WcDD/V1vQaG/AT7vXkYTXn ) ; keytag 30099 airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250616034634 20250612033255 13009 airnow.gov. kdk/AVNabMVrn/VRMDhR4h0yTEPR01NlVzhRtXyymGJbnB3j6nePodvJyQa3irrenkHDSXuRLK/i j7Lc9aipbxsr3BECC5UvBxab3xPYSmK6/+qSemOrTc7s1dx1OYrJK39NNBC0b1PADLZ01m414U/z B0Gw2sAu06RggE4IYG+Rc/9ww8xZUL8vws6Qlj5pSE9o1JvtqzIfz+oBZ7BaBTIMzSoL8FxSjq14 wf9C+ZngQ5eNxFESvc076nAf2RzsjTbVAytD5SKVhcCA3DqsgJi5EXxv3RA2ZfY4z9gaEN1BG5iv T10S8qdiVuvsfNivEjxinx/6VyrK5eRa3PJErA== ) airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250616034634 20250612033255 13180 airnow.gov. tOEpTl9UYN1HRZI1dXQyn8dS1oOJMdZ0jKPprEhpw2UB113VtiitVpYVonYe6lR14ESJ/nMUSqlo b8aSpKoKMOQsINwWc9zDM1ixmHkmF7oEFn53/FMmzrn/0lrInFf4yMxVIRJDdsWoEOtphQ0BBOAU b5pDrGg20amSTygx7E+vI7ZRtfV1nd83V2W5GF56HISuWxwtqppW+QpZJRnuA7vKZ4MNTRp46VZ7 OZWqvKbcuGJmyiOqQrlp5GAaIoEtQV4THlp66BwkwgwoAmyB+2k8GHOsPGod0NS/LAU4AdUVPJPA 3vLbLDTNICuFKEnP3z6rKKw9RTsaNwU7dk2x2w== ) airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250616034634 20250612033255 30099 airnow.gov. vVKTf99wVdoH3V5SjxOFn+EL9E9I8SRozO2CMmfyp56Ep4xmKronkUln03prfkgpZlYEmp/1J2zs XYdnqLuI7mS5XJtMqIg1BG5D3gERkPc2sQjcOl3eq3gCf/7b9hoLBcs5LpOXDCwrpO1B7R99QekM s1iW4FPXqXArMuf4vgk= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 5 DNSKEY records for airnow.gov
	`airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAbWYPSVX6sVlDlvo+jMV3NI8JtikaYArEr1mnBoQ+/i65HvCS10ciO+fcoo4GtbafNoM53p+ 7u1E4Lsm+X72tif6B3N4hyQyZm3LJTuh/bCUhHzYe6QR2zChwKvjmdq6vyEmu0st4uNH+mqhvxk/ MgCsFlD2HqE0FXx8QG8uoF7Z ) ; keytag 15255`
	`airnow.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAZv34belJ387LywtJMlGDsWKbw0C19UPJST6pXkAKOvb+95N+HzAnw1uzq3Mrd95HOX5pjY1 GUeXg8eU8mqzFoirgN2Kp7tOfrtVnmSoEEMPeH6iQIlOPj1Yybe/PrOG8V/RI4lMJQOpg83agbXi IMdoWpDL9gvVHEuXM4x3+fllJ7bSCxEocfAXj8nCuc2qz9fiE/m0wjC4BMfUuz2Zsx84nK4vvO7s /rXnZp0FBQ31qOzSTDllbapIYPLSt9Q8DJwJ3fcG4eKL+equjP/N23wu9/l5okm20soQCjr4LWRU iqlxbKnG7cxsLmLWRtctnXTEyoPKQnfBsqJSb1Ws3ic= ) ; keytag 13009`
	`airnow.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAdu3aO2mEFhP/mdcy8vyEsYnvSoNuX/FT5mYuLtS5a7Nf6skrWsBe/zdgd+KxtUmZIQl5gKB dXPF3gcimQd5Uj7hCHKOyCqFiDPCcflv+1Vf0yOXAxFt1pXL9+LsrVOKUNiRQmn5Jmc6s9LDXqKX 8U5KcQ7537F8OGa8a6UCsAsKF9Hg1ZqGt9E7VfsxbIatjbhZxwtaEahcgC8r3E/2d2WALlNLkmCU a+jTxZMUGZ7qqjmcQs+qrIfjLj8i/QhhO7cQ2OmlfZU3iUmFIzKRqRsPMsqHY6QS4VoUdmPCycM0 2fmttbGH7AGK1pg3saYouu+La0iRtTChVElHSV8gdLs= ) ; keytag 13180`
	`airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAbzGODf9EG/eX3KwafuCn8+QVu4k73biaHCgbZLyAl5qMrsQYfb+dyZb19Sk2SxxC48TZzzl u/N0vLcKOozUsgYH1UOsO1HK9k12S9VKbBjJuVive8edLFWSIfyIADRDGYlwbtIfejLRTMFhLR5A 0dIq7JnSWhgqpxG1T/MpWYfZ ) ; keytag 22104`
	`airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAeJtr6JFRTVItw3rwK1OnzzfrGhdcf7mw1TmBTDEaeid5xJtAKVr0H0P74sdIunmuiAa55VT 2l88T3/Ex4QwXmTeeMyGGl1lDyfxb5R7mraGDdK9zwRg02o77yF+hugy1dxn03negJpenVqUZQrw z/WcDD/V1vQaG/AT7vXkYTXn ) ; keytag 30099`
	DNSKEY=13009/SEP is now in the chain-of-trust
	DS=13009/SHA-256 verifies DNSKEY=13009/SEP
	DNSKEY=13180/SEP is now in the chain-of-trust
	DS=13180/SHA-256 verifies DNSKEY=13180/SEP
	Found 3 RRSIGs over DNSKEY RRset
	`airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250616034634 20250612033255 13009 airnow.gov. kdk/AVNabMVrn/VRMDhR4h0yTEPR01NlVzhRtXyymGJbnB3j6nePodvJyQa3irrenkHDSXuRLK/i j7Lc9aipbxsr3BECC5UvBxab3xPYSmK6/+qSemOrTc7s1dx1OYrJK39NNBC0b1PADLZ01m414U/z B0Gw2sAu06RggE4IYG+Rc/9ww8xZUL8vws6Qlj5pSE9o1JvtqzIfz+oBZ7BaBTIMzSoL8FxSjq14 wf9C+ZngQ5eNxFESvc076nAf2RzsjTbVAytD5SKVhcCA3DqsgJi5EXxv3RA2ZfY4z9gaEN1BG5iv T10S8qdiVuvsfNivEjxinx/6VyrK5eRa3PJErA== )`
	`airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250616034634 20250612033255 13180 airnow.gov. tOEpTl9UYN1HRZI1dXQyn8dS1oOJMdZ0jKPprEhpw2UB113VtiitVpYVonYe6lR14ESJ/nMUSqlo b8aSpKoKMOQsINwWc9zDM1ixmHkmF7oEFn53/FMmzrn/0lrInFf4yMxVIRJDdsWoEOtphQ0BBOAU b5pDrGg20amSTygx7E+vI7ZRtfV1nd83V2W5GF56HISuWxwtqppW+QpZJRnuA7vKZ4MNTRp46VZ7 OZWqvKbcuGJmyiOqQrlp5GAaIoEtQV4THlp66BwkwgwoAmyB+2k8GHOsPGod0NS/LAU4AdUVPJPA 3vLbLDTNICuFKEnP3z6rKKw9RTsaNwU7dk2x2w== )`
	`airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250616034634 20250612033255 30099 airnow.gov. vVKTf99wVdoH3V5SjxOFn+EL9E9I8SRozO2CMmfyp56Ep4xmKronkUln03prfkgpZlYEmp/1J2zs XYdnqLuI7mS5XJtMqIg1BG5D3gERkPc2sQjcOl3eq3gCf/7b9hoLBcs5LpOXDCwrpO1B7R99QekM s1iW4FPXqXArMuf4vgk= )`
	RRSIG=13009 and DNSKEY=13009/SEP verifies the DNSKEY RRset
	RRSIG=13180 and DNSKEY=13180/SEP verifies the DNSKEY RRset
	RRSIG=30099 and DNSKEY=30099 verifies the DNSKEY RRset
	DNSKEY=15255 is now in the chain-of-trust
	DNSKEY=22104 is now in the chain-of-trust
	DNSKEY=30099 is now in the chain-of-trust
	Query to dcns2.epa.gov for airnow.gov/A
	Received 535 bytes from 161.80.212.15
	;; Response received from [161.80.212.15] 535 octets ;; HEADER SECTION ;; id = 48528 ;; 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) ;; airnow.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) airnow.gov. 900 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021126806 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN NSEC3 ( 1 0 10 30fdd7b0d02076 7tjrvedauuogjshi2bn3lmiu0pid6oee NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250616043430 20250612040242 30099 airnow.gov. s0x/3R2NKbu9yknTjI2n7DJlYkNDy6hBHpjv+LxNqtCdDjK3hKOuvsFP5zLTkpLThJtH7EI9I+I1 SwxXLr7KahULrOHWAk+JaOFOQQvF2ESkYvVI/F8NQ6a8J2bAoVXEBSvjm4nlvOianSNEKXWPu0Ka ARnsFsnpurW2UDI0r/Y= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dcns2.epa.gov is authoritative for airnow.gov
	Found RRSIG signed by airnow.gov zone
	Query to dcns1.epa.gov for airnow.gov/SOA
	Received 278 bytes from 161.80.212.5
	;; Response received from [161.80.212.5] 278 octets ;; HEADER SECTION ;; id = 21920 ;; 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) ;; airnow.gov. IN SOA ;; ANSWER SECTION (2 records) airnow.gov. 3600 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021126806 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to nccns2.epa.gov for airnow.gov/SOA
	Received 278 bytes from 134.67.12.15
	;; Response received from [134.67.12.15] 278 octets ;; HEADER SECTION ;; id = 59143 ;; 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) ;; airnow.gov. IN SOA ;; ANSWER SECTION (2 records) airnow.gov. 3600 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021126806 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to nccns1.epa.gov for airnow.gov/SOA
	Received 278 bytes from 134.67.12.5
	;; Response received from [134.67.12.5] 278 octets ;; HEADER SECTION ;; id = 40440 ;; 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) ;; airnow.gov. IN SOA ;; ANSWER SECTION (2 records) airnow.gov. 3600 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021126806 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dcns2.epa.gov for airnow.gov/A
	Received 535 bytes from 161.80.212.15
	;; Response received from [161.80.212.15] 535 octets ;; HEADER SECTION ;; id = 30291 ;; 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) ;; airnow.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) airnow.gov. 900 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021126806 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN NSEC3 ( 1 0 10 30fdd7b0d02076 7tjrvedauuogjshi2bn3lmiu0pid6oee NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250616043430 20250612040242 30099 airnow.gov. s0x/3R2NKbu9yknTjI2n7DJlYkNDy6hBHpjv+LxNqtCdDjK3hKOuvsFP5zLTkpLThJtH7EI9I+I1 SwxXLr7KahULrOHWAk+JaOFOQQvF2ESkYvVI/F8NQ6a8J2bAoVXEBSvjm4nlvOianSNEKXWPu0Ka ARnsFsnpurW2UDI0r/Y= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	NSEC3 validation not implemented yet
	Found 1 RRSIGs over SOA RRset
	`airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= )`
	RRSIG=30099 and DNSKEY=30099 verifies the SOA RRset

airnow.gov

	Query to nccns1.epa.gov for airnow.gov/A
	Received 535 bytes from 134.67.12.5
	;; Response received from [134.67.12.5] 535 octets ;; HEADER SECTION ;; id = 18635 ;; 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) ;; airnow.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) airnow.gov. 900 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021126806 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN NSEC3 ( 1 0 10 30fdd7b0d02076 7tjrvedauuogjshi2bn3lmiu0pid6oee NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250616043430 20250612040242 30099 airnow.gov. s0x/3R2NKbu9yknTjI2n7DJlYkNDy6hBHpjv+LxNqtCdDjK3hKOuvsFP5zLTkpLThJtH7EI9I+I1 SwxXLr7KahULrOHWAk+JaOFOQQvF2ESkYvVI/F8NQ6a8J2bAoVXEBSvjm4nlvOianSNEKXWPu0Ka ARnsFsnpurW2UDI0r/Y= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	nccns1.epa.gov is authoritative for airnow.gov
	Found RRSIG signed by airnow.gov zone
	Query to nccns1.epa.gov for airnow.gov/A
	Received 535 bytes from 134.67.12.5
	;; Response received from [134.67.12.5] 535 octets ;; HEADER SECTION ;; id = 9138 ;; 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) ;; airnow.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) airnow.gov. 900 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021126806 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN NSEC3 ( 1 0 10 30fdd7b0d02076 7tjrvedauuogjshi2bn3lmiu0pid6oee NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250616043430 20250612040242 30099 airnow.gov. s0x/3R2NKbu9yknTjI2n7DJlYkNDy6hBHpjv+LxNqtCdDjK3hKOuvsFP5zLTkpLThJtH7EI9I+I1 SwxXLr7KahULrOHWAk+JaOFOQQvF2ESkYvVI/F8NQ6a8J2bAoVXEBSvjm4nlvOianSNEKXWPu0Ka ARnsFsnpurW2UDI0r/Y= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	NSEC3 validation not implemented yet
	Found 1 RRSIGs over SOA RRset
	`airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= )`
	RRSIG=30099 and DNSKEY=30099 verifies the SOA RRset

airnow.gov

	Query to nccns2.epa.gov for airnow.gov/A
	Received 535 bytes from 134.67.12.15
	;; Response received from [134.67.12.15] 535 octets ;; HEADER SECTION ;; id = 15621 ;; 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) ;; airnow.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) airnow.gov. 900 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021126806 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN NSEC3 ( 1 0 10 30fdd7b0d02076 7tjrvedauuogjshi2bn3lmiu0pid6oee NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250616043430 20250612040242 30099 airnow.gov. s0x/3R2NKbu9yknTjI2n7DJlYkNDy6hBHpjv+LxNqtCdDjK3hKOuvsFP5zLTkpLThJtH7EI9I+I1 SwxXLr7KahULrOHWAk+JaOFOQQvF2ESkYvVI/F8NQ6a8J2bAoVXEBSvjm4nlvOianSNEKXWPu0Ka ARnsFsnpurW2UDI0r/Y= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	nccns2.epa.gov is authoritative for airnow.gov
	Found RRSIG signed by airnow.gov zone
	Query to nccns2.epa.gov for airnow.gov/A
	Received 535 bytes from 134.67.12.15
	;; Response received from [134.67.12.15] 535 octets ;; HEADER SECTION ;; id = 50245 ;; 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) ;; airnow.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) airnow.gov. 900 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021126806 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN NSEC3 ( 1 0 10 30fdd7b0d02076 7tjrvedauuogjshi2bn3lmiu0pid6oee NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250616043430 20250612040242 30099 airnow.gov. s0x/3R2NKbu9yknTjI2n7DJlYkNDy6hBHpjv+LxNqtCdDjK3hKOuvsFP5zLTkpLThJtH7EI9I+I1 SwxXLr7KahULrOHWAk+JaOFOQQvF2ESkYvVI/F8NQ6a8J2bAoVXEBSvjm4nlvOianSNEKXWPu0Ka ARnsFsnpurW2UDI0r/Y= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	NSEC3 validation not implemented yet
	Found 1 RRSIGs over SOA RRset
	`airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= )`
	RRSIG=30099 and DNSKEY=30099 verifies the SOA RRset

airnow.gov

	Query to dcns1.epa.gov for airnow.gov/A
	Received 535 bytes from 161.80.212.5
	;; Response received from [161.80.212.5] 535 octets ;; HEADER SECTION ;; id = 3126 ;; 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) ;; airnow.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) airnow.gov. 900 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021126806 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN NSEC3 ( 1 0 10 30fdd7b0d02076 7tjrvedauuogjshi2bn3lmiu0pid6oee NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250616043430 20250612040242 30099 airnow.gov. s0x/3R2NKbu9yknTjI2n7DJlYkNDy6hBHpjv+LxNqtCdDjK3hKOuvsFP5zLTkpLThJtH7EI9I+I1 SwxXLr7KahULrOHWAk+JaOFOQQvF2ESkYvVI/F8NQ6a8J2bAoVXEBSvjm4nlvOianSNEKXWPu0Ka ARnsFsnpurW2UDI0r/Y= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dcns1.epa.gov is authoritative for airnow.gov
	Found RRSIG signed by airnow.gov zone
	Query to dcns1.epa.gov for airnow.gov/A
	Received 535 bytes from 161.80.212.5
	;; Response received from [161.80.212.5] 535 octets ;; HEADER SECTION ;; id = 50619 ;; 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) ;; airnow.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) airnow.gov. 900 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021126806 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN NSEC3 ( 1 0 10 30fdd7b0d02076 7tjrvedauuogjshi2bn3lmiu0pid6oee NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 7NSA11T2SE0RCBG0CANPD48LJSSLIG8P.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250616043430 20250612040242 30099 airnow.gov. s0x/3R2NKbu9yknTjI2n7DJlYkNDy6hBHpjv+LxNqtCdDjK3hKOuvsFP5zLTkpLThJtH7EI9I+I1 SwxXLr7KahULrOHWAk+JaOFOQQvF2ESkYvVI/F8NQ6a8J2bAoVXEBSvjm4nlvOianSNEKXWPu0Ka ARnsFsnpurW2UDI0r/Y= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	NSEC3 validation not implemented yet
	Found 1 RRSIGs over SOA RRset
	`airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250617032033 20250613022033 30099 airnow.gov. fSQLg5Aju1lMj4N0TumQz711pYcKOFczvGG0ZszSPjS3TCKHt2Z8PYzOn2GjmqRJRfdc19ui5D6o kk6YnpmuOhW0B2VnpGjXkpTGslY7UyV3GThDhnB6QJn0ykt80HKYSbKfuLyl85PgfmYmp27cs8VB LA1awwvmk1lg1YEh1MQ= )`
	RRSIG=30099 and DNSKEY=30099 verifies the SOA RRset

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DNSSEC Debugger

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