DNSSEC Debugger - AIRNOW.GOV

Domain Name:

Time: 2025-07-02 04:25:07 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 b.root-servers.net for ./DNSKEY
	Received 1414 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 1414 octets ;; HEADER SECTION ;; id = 47336 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (5 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148 . 172800 IN DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441 . 172800 IN 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 20250722000000 20250701000000 20326 . UGhOn2e0xbV2um4IqDwLtkXZVqk32Dz6Orahd8l3n5pQxAPO+PzC96lwt3YdDLFpzmu1FqPWugCK eq5uju1L2DklkEX7hnvBKKzb/Q2dkEA1w85dQQH34II778mePR3fvIDckntFXGsT9a8tdN9tFaP+ qJiwgtNbiKej8YheeX/DAAmZPn0s6/Bg3cLuozR9FXAwkgrA3rjcRpN/jKhPSauHvsin7gCbcUjs jA+P3l9y4Izc5ibPfdUIxVaTUt+OofHUV9VaZoexMQKwggIE78BLAs7AsP7KwlXDB8++Cy6IXVcg +9Gzv3k/gJokM3UHOGa0UrSfCIAKlfMFYADJBA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 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 ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441`
	`. 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 20250722000000 20250701000000 20326 . UGhOn2e0xbV2um4IqDwLtkXZVqk32Dz6Orahd8l3n5pQxAPO+PzC96lwt3YdDLFpzmu1FqPWugCK eq5uju1L2DklkEX7hnvBKKzb/Q2dkEA1w85dQQH34II778mePR3fvIDckntFXGsT9a8tdN9tFaP+ qJiwgtNbiKej8YheeX/DAAmZPn0s6/Bg3cLuozR9FXAwkgrA3rjcRpN/jKhPSauHvsin7gCbcUjs jA+P3l9y4Izc5ibPfdUIxVaTUt+OofHUV9VaZoexMQKwggIE78BLAs7AsP7KwlXDB8++Cy6IXVcg +9Gzv3k/gJokM3UHOGa0UrSfCIAKlfMFYADJBA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=53148 is now in the chain-of-trust
	DNSKEY=46441 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to g.root-servers.net for AIRNOW.GOV/A
	Received 623 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 623 octets ;; HEADER SECTION ;; id = 52329 ;; 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 c.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 20250714170000 20250701160000 46441 . AuSSky1d1t8xWtMXeHk/vJH3zm5rZphIgL/CB0lLdgCyozRYyaKornb1cH3bO6fot26Qfr8wXrU9 wG94oLm0KycXL6qmHCh9LJJvzCn64fmw6dHelc5T5hJqwp6kGVxRjWQRFAbRz4M95PvDNg25HFkZ /TMZWCrb2+DcRvy2E2cFtteuVFfbx8njP6GhcvSk3W3M9onTkTtKnYNLH8IIvjzLbHF+MDg0dNZm J2jyUaDF9DJIQxi8tv3x6wjeNTm6lyVMIDpOESskIdtTNtt941iP+ZMX4oSlbgNdLkPAUZptzKvg 3KDZ9IRRtGq5Ofhjt2mb74p6PvGUt6wQWmfi1g== ) ;; ADDITIONAL SECTION (9 records) d.ns.gov. 172800 IN A 199.33.233.1 c.ns.gov. 172800 IN A 199.33.232.1 b.ns.gov. 172800 IN A 199.33.231.1 a.ns.gov. 172800 IN A 199.33.230.1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 ;; { "EDNS-VERSION": 0 }
	Query to d.root-servers.net for GOV/DNSKEY
	Received 610 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 610 octets ;; HEADER SECTION ;; id = 41888 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1450, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; GOV. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) GOV. 172800 IN NS a.ns.GOV. GOV. 172800 IN NS b.ns.GOV. GOV. 172800 IN NS c.ns.GOV. GOV. 172800 IN NS d.ns.GOV. GOV. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) GOV. 86400 IN RRSIG ( DS 8 1 86400 20250714170000 20250701160000 46441 . AuSSky1d1t8xWtMXeHk/vJH3zm5rZphIgL/CB0lLdgCyozRYyaKornb1cH3bO6fot26Qfr8wXrU9 wG94oLm0KycXL6qmHCh9LJJvzCn64fmw6dHelc5T5hJqwp6kGVxRjWQRFAbRz4M95PvDNg25HFkZ /TMZWCrb2+DcRvy2E2cFtteuVFfbx8njP6GhcvSk3W3M9onTkTtKnYNLH8IIvjzLbHF+MDg0dNZm J2jyUaDF9DJIQxi8tv3x6wjeNTm6lyVMIDpOESskIdtTNtt941iP+ZMX4oSlbgNdLkPAUZptzKvg 3KDZ9IRRtGq5Ofhjt2mb74p6PvGUt6wQWmfi1g== ) ;; 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 = 63912 ;; 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 20250714170000 20250701160000 46441 . AuSSky1d1t8xWtMXeHk/vJH3zm5rZphIgL/CB0lLdgCyozRYyaKornb1cH3bO6fot26Qfr8wXrU9 wG94oLm0KycXL6qmHCh9LJJvzCn64fmw6dHelc5T5hJqwp6kGVxRjWQRFAbRz4M95PvDNg25HFkZ /TMZWCrb2+DcRvy2E2cFtteuVFfbx8njP6GhcvSk3W3M9onTkTtKnYNLH8IIvjzLbHF+MDg0dNZm J2jyUaDF9DJIQxi8tv3x6wjeNTm6lyVMIDpOESskIdtTNtt941iP+ZMX4oSlbgNdLkPAUZptzKvg 3KDZ9IRRtGq5Ofhjt2mb74p6PvGUt6wQWmfi1g== ) ;; 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 20250714170000 20250701160000 46441 . AuSSky1d1t8xWtMXeHk/vJH3zm5rZphIgL/CB0lLdgCyozRYyaKornb1cH3bO6fot26Qfr8wXrU9 wG94oLm0KycXL6qmHCh9LJJvzCn64fmw6dHelc5T5hJqwp6kGVxRjWQRFAbRz4M95PvDNg25HFkZ /TMZWCrb2+DcRvy2E2cFtteuVFfbx8njP6GhcvSk3W3M9onTkTtKnYNLH8IIvjzLbHF+MDg0dNZm J2jyUaDF9DJIQxi8tv3x6wjeNTm6lyVMIDpOESskIdtTNtt941iP+ZMX4oSlbgNdLkPAUZptzKvg 3KDZ9IRRtGq5Ofhjt2mb74p6PvGUt6wQWmfi1g== )`
	RRSIG=46441 and DNSKEY=46441 verifies the DS RRset
	DS=2536/SHA-256 is now in the chain-of-trust
	`GOV. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 )`
	Query to a.ns.GOV for GOV/DNSKEY
	Received 291 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 291 octets ;; HEADER SECTION ;; id = 4612 ;; 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 20250821110604 20250621110604 2536 gov. n6svyrR3H3gY3Fie3fgekD6gXenvEpExK1GXpXb0NxWZW3AHyD02jwlrZecgESKHXU9ydtsw6ibM Y9FOlT+89A== ) ;; 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 20250821110604 20250621110604 2536 gov. n6svyrR3H3gY3Fie3fgekD6gXenvEpExK1GXpXb0NxWZW3AHyD02jwlrZecgESKHXU9ydtsw6ibM Y9FOlT+89A== )`
	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 AIRNOW.GOV/A
	Received 496 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 496 octets ;; HEADER SECTION ;; id = 21899 ;; 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 20250703052507 20250701032507 35496 gov. SPsGppffrjuJ5iSPwKMB6vP6eRqL2pLS4XvMZZJgV97XZ6p2Xx6Lqh4cB5c13KDw0SAhINH3bQGE jyFe9HaLmQ== ) ;; 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 c.ns.GOV for AIRNOW.GOV/DNSKEY
	Received 496 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 496 octets ;; HEADER SECTION ;; id = 43278 ;; 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 20250703052507 20250701032507 35496 gov. yaX7Vp6JI0hpPESmUeVsrpPj8DdWRLvWL69Q9dttfB8LK4wiOsGmUlmXRqKq4SWikK7fvVzRa2oD S9mvWfq4aQ== ) ;; 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 b.ns.GOV for AIRNOW.GOV/DS
	Received 234 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 234 octets ;; HEADER SECTION ;; id = 49997 ;; 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 20250703052507 20250701032507 35496 gov. UACw+/SWqz2neUEskm/0yC26z/vUuxIo97seDNyQAGXqlK+Ayuofl/qNtAejAy1v2+8EMhE+TylY D8xeeaNg4w== ) ;; 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 20250703052507 20250701032507 35496 gov. UACw+/SWqz2neUEskm/0yC26z/vUuxIo97seDNyQAGXqlK+Ayuofl/qNtAejAy1v2+8EMhE+TylY D8xeeaNg4w== )`
	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 dcns2.epa.GOV for AIRNOW.GOV/DNSKEY
	Received 1801 bytes from 161.80.212.15
	;; Response received from [161.80.212.15] 1801 octets ;; HEADER SECTION ;; id = 5118 ;; 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 ( 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 AwEAAauegGMh/rE+w6dbiQCMWhJqkmi/oUJwM9cFlOxJnqYcOSYGpsLtO90Ta/qQaWZVkc1yoA1b J3eG0Yy51wZ9qgt+KCp0+faNbMlI427aq0vER1eck031UCMKpJzHLbojP2UiqGvjvFzGBg+PkdGA BpsmbeqkvMo6B1DuX3isMc07 ) ; keytag 45898 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 20250705134816 20250701130354 13009 airnow.gov. ha3vf/+TWy4LPMhcCfUcv7b6Jsyjjn6KgG0BGBchrUyaK4NadvW4X2vtwKwgv5hBP5pWP4OdsFWi PAUMKhKIZRk3WUlmtgVlWBV1KGiGqmOmlKjZpNZd1up8Wrjh8zasCWhd+OkJwqn5x77a2vZKm0Mw R9YEMNGEXUxKNl0m1EVQs+uABXtNxMUra0eztvk6S1oLh6cUcPTA4of35ss0HhrNA+sKv4u2u37Z ijPuvwMMjnic8tguYEcfT+AN1bb7yzjm6e9d2yqFuhoxWf/F32WcfKmJZ9Zku83wOyVZCAalErXm WX2BN7h+mbyVYdO0T9FAkTrBlFSRmG+W7Qpg1Q== ) AIRNOW.GOV. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250705134816 20250701130354 13180 airnow.gov. YzludB/3coiy34972NE0QF7yihohnjOIq9ivkv1eUXlyqR5JTmQFD/gc8rNI0PwaCXmioL16YKFY DF6tTYKYatwIqdj8X/uEOglOTUdP74LcWlNRP25YuhEbgJAbc+WewHMjScLL6N7NZPtQ0YeXCO76 ORBqYRkM9HEAwjpokvs1DIdei5Ba38RTo7YNv45ADJlsfi8lPgxGRqzPXpC7xLKYPFUXNLLepVxY gfa3g5m5EHNPWF0Rwedc7XmsBRuyOxo1DUMfmK9wl9PFzpNExgDhoHdhB0JK+UNX9XYUZcUoJfCa u8rEoKgcK5go7G6zPJhkFYiwgYjbKPpkQynhkA== ) AIRNOW.GOV. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250705134816 20250701130354 22104 airnow.gov. aTlPlx8ToiwztM83uFNt+Paxrge9ga68PDH9qFwAvjuwsiosZaDHU4uR5Hg0teAmnl/6RqW1Z323 MiPOtg4brntUu2sVjL0RA0MhJQA+p1+5RrqaxUW9NzegW4VXBML25BU4pjedgVt9ZSfUcwhMDYq6 93Jetu8/rWSEtOHexcU= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 5 DNSKEY records for AIRNOW.GOV
	`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 AwEAAauegGMh/rE+w6dbiQCMWhJqkmi/oUJwM9cFlOxJnqYcOSYGpsLtO90Ta/qQaWZVkc1yoA1b J3eG0Yy51wZ9qgt+KCp0+faNbMlI427aq0vER1eck031UCMKpJzHLbojP2UiqGvjvFzGBg+PkdGA BpsmbeqkvMo6B1DuX3isMc07 ) ; keytag 45898`
	`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 20250705134816 20250701130354 13009 airnow.gov. ha3vf/+TWy4LPMhcCfUcv7b6Jsyjjn6KgG0BGBchrUyaK4NadvW4X2vtwKwgv5hBP5pWP4OdsFWi PAUMKhKIZRk3WUlmtgVlWBV1KGiGqmOmlKjZpNZd1up8Wrjh8zasCWhd+OkJwqn5x77a2vZKm0Mw R9YEMNGEXUxKNl0m1EVQs+uABXtNxMUra0eztvk6S1oLh6cUcPTA4of35ss0HhrNA+sKv4u2u37Z ijPuvwMMjnic8tguYEcfT+AN1bb7yzjm6e9d2yqFuhoxWf/F32WcfKmJZ9Zku83wOyVZCAalErXm WX2BN7h+mbyVYdO0T9FAkTrBlFSRmG+W7Qpg1Q== )`
	`AIRNOW.GOV. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250705134816 20250701130354 13180 airnow.gov. YzludB/3coiy34972NE0QF7yihohnjOIq9ivkv1eUXlyqR5JTmQFD/gc8rNI0PwaCXmioL16YKFY DF6tTYKYatwIqdj8X/uEOglOTUdP74LcWlNRP25YuhEbgJAbc+WewHMjScLL6N7NZPtQ0YeXCO76 ORBqYRkM9HEAwjpokvs1DIdei5Ba38RTo7YNv45ADJlsfi8lPgxGRqzPXpC7xLKYPFUXNLLepVxY gfa3g5m5EHNPWF0Rwedc7XmsBRuyOxo1DUMfmK9wl9PFzpNExgDhoHdhB0JK+UNX9XYUZcUoJfCa u8rEoKgcK5go7G6zPJhkFYiwgYjbKPpkQynhkA== )`
	`AIRNOW.GOV. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250705134816 20250701130354 22104 airnow.gov. aTlPlx8ToiwztM83uFNt+Paxrge9ga68PDH9qFwAvjuwsiosZaDHU4uR5Hg0teAmnl/6RqW1Z323 MiPOtg4brntUu2sVjL0RA0MhJQA+p1+5RrqaxUW9NzegW4VXBML25BU4pjedgVt9ZSfUcwhMDYq6 93Jetu8/rWSEtOHexcU= )`
	RRSIG=13009 and DNSKEY=13009/SEP verifies the DNSKEY RRset
	RRSIG=13180 and DNSKEY=13180/SEP verifies the DNSKEY RRset
	RRSIG=22104 and DNSKEY=22104 verifies the DNSKEY RRset
	DNSKEY=45898 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 dcns1.epa.GOV for AIRNOW.GOV/A
	Received 538 bytes from 161.80.212.5
	;; Response received from [161.80.212.5] 538 octets ;; HEADER SECTION ;; id = 15114 ;; 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. 2021126897 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN NSEC3 ( 1 0 10 db70b442d9bf3d05aca0 3i7hv1si50f4a2htaaq6g5tiaj66a95t NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250705125748 20250701123211 22104 airnow.gov. ukDP85u1q30PniTVErWpsNpaDwch3+PQuKq8ezzoRXwOCHY2vL7jOch9AdRl9xKBYVSsB4+udQXk u7OEKStlCYLIzLiSj6WnWES1PICXJNuwV8sETt6a7tPpuBd4OMip9xbY77mR3OwbhODLWH+B04rQ wXaJ+Sj8znvZV/SYm+I= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dcns1.epa.GOV is authoritative for AIRNOW.GOV
	Found RRSIG signed by airnow.gov zone
	Query to dcns2.epa.GOV for AIRNOW.GOV/SOA
	Received 278 bytes from 161.80.212.15
	;; Response received from [161.80.212.15] 278 octets ;; HEADER SECTION ;; id = 6837 ;; 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. 2021126897 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 3600 IN RRSIG ( SOA 8 2 3600 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= ) ;; 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 = 7688 ;; 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. 2021126897 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 3600 IN RRSIG ( SOA 8 2 3600 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= ) ;; 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 = 42512 ;; 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. 2021126897 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 3600 IN RRSIG ( SOA 8 2 3600 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dcns1.epa.GOV for AIRNOW.GOV/A
	Received 538 bytes from 161.80.212.5
	;; Response received from [161.80.212.5] 538 octets ;; HEADER SECTION ;; id = 57998 ;; 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. 2021126897 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN NSEC3 ( 1 0 10 db70b442d9bf3d05aca0 3i7hv1si50f4a2htaaq6g5tiaj66a95t NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250705125748 20250701123211 22104 airnow.gov. ukDP85u1q30PniTVErWpsNpaDwch3+PQuKq8ezzoRXwOCHY2vL7jOch9AdRl9xKBYVSsB4+udQXk u7OEKStlCYLIzLiSj6WnWES1PICXJNuwV8sETt6a7tPpuBd4OMip9xbY77mR3OwbhODLWH+B04rQ wXaJ+Sj8znvZV/SYm+I= ) ;; 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 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= )`
	RRSIG=22104 and DNSKEY=22104 verifies the SOA RRset

AIRNOW.GOV

	Query to dcns2.epa.GOV for AIRNOW.GOV/A
	Received 538 bytes from 161.80.212.15
	;; Response received from [161.80.212.15] 538 octets ;; HEADER SECTION ;; id = 54376 ;; 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. 2021126897 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN NSEC3 ( 1 0 10 db70b442d9bf3d05aca0 3i7hv1si50f4a2htaaq6g5tiaj66a95t NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250705125748 20250701123211 22104 airnow.gov. ukDP85u1q30PniTVErWpsNpaDwch3+PQuKq8ezzoRXwOCHY2vL7jOch9AdRl9xKBYVSsB4+udQXk u7OEKStlCYLIzLiSj6WnWES1PICXJNuwV8sETt6a7tPpuBd4OMip9xbY77mR3OwbhODLWH+B04rQ wXaJ+Sj8znvZV/SYm+I= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dcns2.epa.GOV is authoritative for AIRNOW.GOV
	Found RRSIG signed by airnow.gov zone
	Query to dcns2.epa.GOV for AIRNOW.GOV/A
	Received 538 bytes from 161.80.212.15
	;; Response received from [161.80.212.15] 538 octets ;; HEADER SECTION ;; id = 33413 ;; 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. 2021126897 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN NSEC3 ( 1 0 10 db70b442d9bf3d05aca0 3i7hv1si50f4a2htaaq6g5tiaj66a95t NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250705125748 20250701123211 22104 airnow.gov. ukDP85u1q30PniTVErWpsNpaDwch3+PQuKq8ezzoRXwOCHY2vL7jOch9AdRl9xKBYVSsB4+udQXk u7OEKStlCYLIzLiSj6WnWES1PICXJNuwV8sETt6a7tPpuBd4OMip9xbY77mR3OwbhODLWH+B04rQ wXaJ+Sj8znvZV/SYm+I= ) ;; 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 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= )`
	RRSIG=22104 and DNSKEY=22104 verifies the SOA RRset

AIRNOW.GOV

	Query to nccns2.epa.GOV for AIRNOW.GOV/A
	Received 538 bytes from 134.67.12.15
	;; Response received from [134.67.12.15] 538 octets ;; HEADER SECTION ;; id = 8599 ;; 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. 2021126897 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN NSEC3 ( 1 0 10 db70b442d9bf3d05aca0 3i7hv1si50f4a2htaaq6g5tiaj66a95t NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250705125748 20250701123211 22104 airnow.gov. ukDP85u1q30PniTVErWpsNpaDwch3+PQuKq8ezzoRXwOCHY2vL7jOch9AdRl9xKBYVSsB4+udQXk u7OEKStlCYLIzLiSj6WnWES1PICXJNuwV8sETt6a7tPpuBd4OMip9xbY77mR3OwbhODLWH+B04rQ wXaJ+Sj8znvZV/SYm+I= ) ;; 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 538 bytes from 134.67.12.15
	;; Response received from [134.67.12.15] 538 octets ;; HEADER SECTION ;; id = 4895 ;; 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. 2021126897 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN NSEC3 ( 1 0 10 db70b442d9bf3d05aca0 3i7hv1si50f4a2htaaq6g5tiaj66a95t NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250705125748 20250701123211 22104 airnow.gov. ukDP85u1q30PniTVErWpsNpaDwch3+PQuKq8ezzoRXwOCHY2vL7jOch9AdRl9xKBYVSsB4+udQXk u7OEKStlCYLIzLiSj6WnWES1PICXJNuwV8sETt6a7tPpuBd4OMip9xbY77mR3OwbhODLWH+B04rQ wXaJ+Sj8znvZV/SYm+I= ) ;; 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 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= )`
	RRSIG=22104 and DNSKEY=22104 verifies the SOA RRset

AIRNOW.GOV

	Query to nccns1.epa.GOV for AIRNOW.GOV/A
	Received 538 bytes from 134.67.12.5
	;; Response received from [134.67.12.5] 538 octets ;; HEADER SECTION ;; id = 20805 ;; 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. 2021126897 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN NSEC3 ( 1 0 10 db70b442d9bf3d05aca0 3i7hv1si50f4a2htaaq6g5tiaj66a95t NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250705125748 20250701123211 22104 airnow.gov. ukDP85u1q30PniTVErWpsNpaDwch3+PQuKq8ezzoRXwOCHY2vL7jOch9AdRl9xKBYVSsB4+udQXk u7OEKStlCYLIzLiSj6WnWES1PICXJNuwV8sETt6a7tPpuBd4OMip9xbY77mR3OwbhODLWH+B04rQ wXaJ+Sj8znvZV/SYm+I= ) ;; 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 538 bytes from 134.67.12.5
	;; Response received from [134.67.12.5] 538 octets ;; HEADER SECTION ;; id = 22889 ;; 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. 2021126897 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN NSEC3 ( 1 0 10 db70b442d9bf3d05aca0 3i7hv1si50f4a2htaaq6g5tiaj66a95t NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) 1DBUDF51POHKFLJUHGJ7DUF32LG050BM.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250705125748 20250701123211 22104 airnow.gov. ukDP85u1q30PniTVErWpsNpaDwch3+PQuKq8ezzoRXwOCHY2vL7jOch9AdRl9xKBYVSsB4+udQXk u7OEKStlCYLIzLiSj6WnWES1PICXJNuwV8sETt6a7tPpuBd4OMip9xbY77mR3OwbhODLWH+B04rQ wXaJ+Sj8znvZV/SYm+I= ) ;; 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 20250705140354 20250701130354 22104 airnow.gov. ip7OyRECrcznHpa0aNSmMIaw6RukSIrVdOKu4XrY8QSBcdNMZlu7YbtMPDUrTGg3Ocxejxt48j2t DXkMmeg+WaWwzCjKRWlzLR/R1pX7SpRsC9ykX4qidIR7DL8sAuP5FR2aspLx1A401L2ZTD14HEhJ +rt4vwax86q589PKXfE= )`
	RRSIG=22104 and DNSKEY=22104 verifies the SOA RRset

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DNSSEC Debugger

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