DNSSEC Debugger - AIRNOW.GOV

Domain Name:

Time: 2025-09-18 04:54:06 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 = 13649 ;; 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 20250930000000 20250909000000 20326 . aqj52+DKW6PhTa31l3xyxa0lbMd8T/UyK1sNUC42EY1+cSp0hSC0VlW82RsWYU5G5NmewrInT/Sx glWFlFz94yVqiKAK7ZNQr94nRbA7okrrlfnloiBi3cQ1IvEUgvNcmlZMLTeA6rINvdcBwS7ljMOH m0vQDce9IOxhQT7iAu23oiNORw5nWG/npNkYRFDD4yQvD3HsNeXFTuyDuc57ZEjs/pnIG5nkcqx7 tp/ba3XbOGllDr/V/0ubak7OeWum1eckIljqUsx5BnfBfIA7rJ2JJBIT7JMJ/O/cflTKoJFHQoKG TVYrNVBq9vsnZ01Q4ss688IvI8vO3zkP6LQLEA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for .
	`. 172800 IN DNSKEY ( 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 20250930000000 20250909000000 20326 . aqj52+DKW6PhTa31l3xyxa0lbMd8T/UyK1sNUC42EY1+cSp0hSC0VlW82RsWYU5G5NmewrInT/Sx glWFlFz94yVqiKAK7ZNQr94nRbA7okrrlfnloiBi3cQ1IvEUgvNcmlZMLTeA6rINvdcBwS7ljMOH m0vQDce9IOxhQT7iAu23oiNORw5nWG/npNkYRFDD4yQvD3HsNeXFTuyDuc57ZEjs/pnIG5nkcqx7 tp/ba3XbOGllDr/V/0ubak7OeWum1eckIljqUsx5BnfBfIA7rJ2JJBIT7JMJ/O/cflTKoJFHQoKG TVYrNVBq9vsnZ01Q4ss688IvI8vO3zkP6LQLEA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=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 e.root-servers.net for AIRNOW.GOV/A
	Received 617 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 617 octets ;; HEADER SECTION ;; id = 56117 ;; 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) ;; 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 20250930170000 20250917160000 46441 . AwbNY+voMl1OUTjSvUErAS5G/ScBk7y9kbl6u+4NsdnPdJe5RsPLVUMRn5bLmCFkT/13f+CSwvPT P4HvbqtehnLMfpwXI1tXWoZBdwbySOQaMWoehRg6BXlpIEQDdTMEcm0Um6Q0d2Kd0C6Myjrx927O nDxSkBOLcggqZRZdvFw+VPfPo/LJxi77dlNLKYAE9FFLotskc/dIEmEaArEfwud7prMIlu87iLAn XejqdNM8qWfccK5/AGjgYfvzKx44a3iCT2yT4kapWNeYpEep5a0pqQMBRfLMHlWmGRqcGmBlkjaL 6mPI4sQNxG8IJ1Pyf0i3QODtlwZ5l5Wwmwr7Lw== ) ;; ADDITIONAL SECTION (9 records) a.ns.GOV. 172800 IN A 199.33.230.1 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 }
	Query to g.root-servers.net for GOV/DNSKEY
	Received 616 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 616 octets ;; HEADER SECTION ;; id = 27159 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; GOV. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS b.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20250930170000 20250917160000 46441 . AwbNY+voMl1OUTjSvUErAS5G/ScBk7y9kbl6u+4NsdnPdJe5RsPLVUMRn5bLmCFkT/13f+CSwvPT P4HvbqtehnLMfpwXI1tXWoZBdwbySOQaMWoehRg6BXlpIEQDdTMEcm0Um6Q0d2Kd0C6Myjrx927O nDxSkBOLcggqZRZdvFw+VPfPo/LJxi77dlNLKYAE9FFLotskc/dIEmEaArEfwud7prMIlu87iLAn XejqdNM8qWfccK5/AGjgYfvzKx44a3iCT2yT4kapWNeYpEep5a0pqQMBRfLMHlWmGRqcGmBlkjaL 6mPI4sQNxG8IJ1Pyf0i3QODtlwZ5l5Wwmwr7Lw== ) ;; ADDITIONAL SECTION (9 records) d.ns.gov. 172800 IN A 199.33.233.1 c.ns.gov. 172800 IN A 199.33.232.1 b.ns.gov. 172800 IN A 199.33.231.1 a.ns.gov. 172800 IN A 199.33.230.1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 ;; { "EDNS-VERSION": 0 }
	Found child zone GOV

GOV

	Checking DS between . and GOV
	Query to e.root-servers.net for GOV/DS
	Received 367 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 367 octets ;; HEADER SECTION ;; id = 26158 ;; 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 20250930170000 20250917160000 46441 . AwbNY+voMl1OUTjSvUErAS5G/ScBk7y9kbl6u+4NsdnPdJe5RsPLVUMRn5bLmCFkT/13f+CSwvPT P4HvbqtehnLMfpwXI1tXWoZBdwbySOQaMWoehRg6BXlpIEQDdTMEcm0Um6Q0d2Kd0C6Myjrx927O nDxSkBOLcggqZRZdvFw+VPfPo/LJxi77dlNLKYAE9FFLotskc/dIEmEaArEfwud7prMIlu87iLAn XejqdNM8qWfccK5/AGjgYfvzKx44a3iCT2yT4kapWNeYpEep5a0pqQMBRfLMHlWmGRqcGmBlkjaL 6mPI4sQNxG8IJ1Pyf0i3QODtlwZ5l5Wwmwr7Lw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for GOV in the . zone
	DS=2536/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`GOV. 86400 IN RRSIG ( DS 8 1 86400 20250930170000 20250917160000 46441 . AwbNY+voMl1OUTjSvUErAS5G/ScBk7y9kbl6u+4NsdnPdJe5RsPLVUMRn5bLmCFkT/13f+CSwvPT P4HvbqtehnLMfpwXI1tXWoZBdwbySOQaMWoehRg6BXlpIEQDdTMEcm0Um6Q0d2Kd0C6Myjrx927O nDxSkBOLcggqZRZdvFw+VPfPo/LJxi77dlNLKYAE9FFLotskc/dIEmEaArEfwud7prMIlu87iLAn XejqdNM8qWfccK5/AGjgYfvzKx44a3iCT2yT4kapWNeYpEep5a0pqQMBRfLMHlWmGRqcGmBlkjaL 6mPI4sQNxG8IJ1Pyf0i3QODtlwZ5l5Wwmwr7Lw== )`
	RRSIG=46441 and DNSKEY=46441 verifies the DS RRset
	DS=2536/SHA-256 is now in the chain-of-trust
	`GOV. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 )`
	Query to 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 = 38351 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; GOV. IN DNSKEY ;; ANSWER SECTION (3 records) GOV. 3600 IN DNSKEY ( 257 3 13 D6ZhJTObQw3+kcewWf5iTHbzD3uTdbs5xf0kQfP/VXZcDovWJd0DUgHlp2VC002aLDCwhLoPPVN2 VfyoPnjCqg== ) ; keytag 2536 GOV. 3600 IN DNSKEY ( 256 3 13 Of5kU9k4XfdcPwCK9k/zRJNu+Xspnw/BDd+1V6ZpDXRIpHe35BnHTZUBJN9gd6++HkiGXx2YnTji iO7/q+Yamg== ) ; keytag 35496 GOV. 3600 IN RRSIG ( DNSKEY 13 1 3600 20251101110613 20250901110613 2536 gov. D1H2/lQxqi95pn45IcLLiEhJqLj7xvGsuBj73AYEAzqX48/P7GQMRCj7rQAOTEwKoZaj70cVbIvD dPV4T5L9mw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for GOV
	`GOV. 3600 IN DNSKEY ( 257 3 13 D6ZhJTObQw3+kcewWf5iTHbzD3uTdbs5xf0kQfP/VXZcDovWJd0DUgHlp2VC002aLDCwhLoPPVN2 VfyoPnjCqg== ) ; keytag 2536`
	`GOV. 3600 IN DNSKEY ( 256 3 13 Of5kU9k4XfdcPwCK9k/zRJNu+Xspnw/BDd+1V6ZpDXRIpHe35BnHTZUBJN9gd6++HkiGXx2YnTji iO7/q+Yamg== ) ; keytag 35496`
	DNSKEY=2536/SEP is now in the chain-of-trust
	DS=2536/SHA-256 verifies DNSKEY=2536/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`GOV. 3600 IN RRSIG ( DNSKEY 13 1 3600 20251101110613 20250901110613 2536 gov. D1H2/lQxqi95pn45IcLLiEhJqLj7xvGsuBj73AYEAzqX48/P7GQMRCj7rQAOTEwKoZaj70cVbIvD dPV4T5L9mw== )`
	RRSIG=2536 and DNSKEY=2536/SEP verifies the DNSKEY RRset
	DNSKEY=35496 is now in the chain-of-trust
	Query to 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 = 533 ;; 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 20250919055406 20250917035406 35496 gov. 1OOXi4vCo68DB9I1UDAhzA8iNvBEPL+CTb/ChCnjjm3NWgJvPdppGO5dMGdBVRiQ8ugs4nZUuoap ywpxps6Q8A== ) ;; 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 b.ns.gov for AIRNOW.GOV/DNSKEY
	Received 496 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 496 octets ;; HEADER SECTION ;; id = 28903 ;; 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 20250919055406 20250917035406 35496 gov. pffA60dHwusoYPAaIQi8rGs50KVXA3/C10NjDpMshVN4MTfbrTszYV49nXznfiLt+RY19Za+1pq/ aVpdsgOKDg== ) ;; 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 a.ns.gov for AIRNOW.GOV/DS
	Received 234 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 234 octets ;; HEADER SECTION ;; id = 25519 ;; 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 20250919055406 20250917035406 35496 gov. KSlt/PelX/piujPj0kXx6VhT/myf2Vk4hLbBYlyMfGehObvXZ2pxVnROG8bNw7VP/TNdeqOtXtEC MWrJmoedOg== ) ;; 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 20250919055406 20250917035406 35496 gov. KSlt/PelX/piujPj0kXx6VhT/myf2Vk4hLbBYlyMfGehObvXZ2pxVnROG8bNw7VP/TNdeqOtXtEC MWrJmoedOg== )`
	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 nccns2.epa.GOV for AIRNOW.GOV/DNSKEY
	Received 1079 bytes from 134.67.12.15
	;; Response received from [134.67.12.15] 1079 octets ;; HEADER SECTION ;; id = 60919 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; AIRNOW.GOV. IN DNSKEY ;; ANSWER SECTION (5 records) AIRNOW.GOV. 172800 IN DNSKEY ( 256 3 8 AwEAAeAN1I6xRPoOge0RTw1vAVGoedPlG7hmOk8bdtx9gdwQxwzVl4uPRlrnLtjDUxn03HsjCFbl mxeN3kle9220unPDrmo3VZ3f3lIhHJ48QPwf3rcP52sqmgwK+TeQFrbCNm2XOebVgswP1aH/rUbU +r0DJcW1CWQTV/JE71mdrRpF ) ; keytag 31806 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 ( 256 3 8 AwEAAbUIG2fRv7dKbMkNa97fPTaN5TGbyPhHFBmVAzftmoR4ilf9wEiSF2/ogY7EBtulqIddUSVG IckSV79LXHr21Op0TNoAJ0bKu7+kZFvsW0txVb6lkv4uUxvflh4DtJbyESrimStq4+g1puMM5Kg2 XohCvl/YXeODuEnGkWj/s1g1 ) ; keytag 20935 AIRNOW.GOV. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250921114424 20250917111639 13009 airnow.gov. h8RnKdFC9P5lH2Kc3J6ctQx1WdD2O+9A2/eLScn+WX7kzwvklCGWsnSN0mEURljumNOPn6OOCbRt ieoyANSpRlTF9zB2iJkalxZ3WksKXuapL/5+g/eZwb4PUww1kwcOgFw9nMjVqftOGE9vELUtIUzF ngzSxpQdZum28NffOgL+qJHyIY7cfhu6Dq8P2wctQjm+O0LoYQOhJSV5eQGHXCildPUFUiq1AhmA +4z59Fepn7BjaKJRFrF84EgG6KZiUdM+VlFSy+bnd3+4zGVEHKPmuuVkCBYMSBepYH7CsbW/HY3y 1JBGOPvCz18MlJX25pL+VCp0SfE9qR0O2CHDZQ== ) AIRNOW.GOV. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250921114424 20250917111639 31806 airnow.gov. yaWW+k818o/GibZ2ruAxJJKNk6z28gOhSlx5aoOImtI1edKpfLS6ZPgehW1jMerXAcQKqa8nJNxu If0KHxBktNE3ysHPSr4J2i86RuJpkvhUr54ZmlDVe884rXhQfJ94Pts4ULQTpzCCUv/QkhU8AavI XuR+gVaHdmOIF2212vs= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for AIRNOW.GOV
	`AIRNOW.GOV. 172800 IN DNSKEY ( 256 3 8 AwEAAeAN1I6xRPoOge0RTw1vAVGoedPlG7hmOk8bdtx9gdwQxwzVl4uPRlrnLtjDUxn03HsjCFbl mxeN3kle9220unPDrmo3VZ3f3lIhHJ48QPwf3rcP52sqmgwK+TeQFrbCNm2XOebVgswP1aH/rUbU +r0DJcW1CWQTV/JE71mdrRpF ) ; keytag 31806`
	`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 ( 256 3 8 AwEAAbUIG2fRv7dKbMkNa97fPTaN5TGbyPhHFBmVAzftmoR4ilf9wEiSF2/ogY7EBtulqIddUSVG IckSV79LXHr21Op0TNoAJ0bKu7+kZFvsW0txVb6lkv4uUxvflh4DtJbyESrimStq4+g1puMM5Kg2 XohCvl/YXeODuEnGkWj/s1g1 ) ; keytag 20935`
	DNSKEY=13009/SEP is now in the chain-of-trust
	DS=13009/SHA-256 verifies DNSKEY=13009/SEP
	DS=13180/SHA-256 is published, but a corresponding DNSKEY is not
	Found 2 RRSIGs over DNSKEY RRset
	`AIRNOW.GOV. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250921114424 20250917111639 13009 airnow.gov. h8RnKdFC9P5lH2Kc3J6ctQx1WdD2O+9A2/eLScn+WX7kzwvklCGWsnSN0mEURljumNOPn6OOCbRt ieoyANSpRlTF9zB2iJkalxZ3WksKXuapL/5+g/eZwb4PUww1kwcOgFw9nMjVqftOGE9vELUtIUzF ngzSxpQdZum28NffOgL+qJHyIY7cfhu6Dq8P2wctQjm+O0LoYQOhJSV5eQGHXCildPUFUiq1AhmA +4z59Fepn7BjaKJRFrF84EgG6KZiUdM+VlFSy+bnd3+4zGVEHKPmuuVkCBYMSBepYH7CsbW/HY3y 1JBGOPvCz18MlJX25pL+VCp0SfE9qR0O2CHDZQ== )`
	`AIRNOW.GOV. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250921114424 20250917111639 31806 airnow.gov. yaWW+k818o/GibZ2ruAxJJKNk6z28gOhSlx5aoOImtI1edKpfLS6ZPgehW1jMerXAcQKqa8nJNxu If0KHxBktNE3ysHPSr4J2i86RuJpkvhUr54ZmlDVe884rXhQfJ94Pts4ULQTpzCCUv/QkhU8AavI XuR+gVaHdmOIF2212vs= )`
	RRSIG=13009 and DNSKEY=13009/SEP verifies the DNSKEY RRset
	RRSIG=31806 and DNSKEY=31806 verifies the DNSKEY RRset
	DNSKEY=31806 is now in the chain-of-trust
	DNSKEY=20935 is now in the chain-of-trust
	Query to nccns1.epa.GOV for AIRNOW.GOV/A
	Received 536 bytes from 134.67.12.5
	;; Response received from [134.67.12.5] 536 octets ;; HEADER SECTION ;; id = 15280 ;; 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. 2021127252 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN NSEC3 ( 1 0 10 d9c575b98ea3c50a 1aov33i6mju9dteph1km56fm6gmhamhb NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250922033842 20250918030046 31806 airnow.gov. mTD3bVtRjnzagJR+vNlzksywtcF8MxN033bWPGDAcFvsby1gc09nDXoUOtwRpwEPeQ2PHXQ4Zxq7 jm7xe4p5yEExIOWIsRTfEh28sMD+mVPNhsXGjWSaNioulqqtBLISnpVQPxk9vGmIkgg162r3o1j6 Gzbkw8cNze0bwbkjGnQ= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	nccns1.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 = 22778 ;; 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. 2021127252 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 3600 IN RRSIG ( SOA 8 2 3600 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 = 17259 ;; 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. 2021127252 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 3600 IN RRSIG ( SOA 8 2 3600 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= ) ;; 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 = 7049 ;; 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. 2021127252 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 3600 IN RRSIG ( SOA 8 2 3600 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to nccns1.epa.GOV for AIRNOW.GOV/A
	Received 536 bytes from 134.67.12.5
	;; Response received from [134.67.12.5] 536 octets ;; HEADER SECTION ;; id = 9515 ;; 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. 2021127252 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN NSEC3 ( 1 0 10 d9c575b98ea3c50a 1aov33i6mju9dteph1km56fm6gmhamhb NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250922033842 20250918030046 31806 airnow.gov. mTD3bVtRjnzagJR+vNlzksywtcF8MxN033bWPGDAcFvsby1gc09nDXoUOtwRpwEPeQ2PHXQ4Zxq7 jm7xe4p5yEExIOWIsRTfEh28sMD+mVPNhsXGjWSaNioulqqtBLISnpVQPxk9vGmIkgg162r3o1j6 Gzbkw8cNze0bwbkjGnQ= ) ;; 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 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= )`
	RRSIG=31806 and DNSKEY=31806 verifies the SOA RRset

AIRNOW.GOV

	Query to dcns2.epa.GOV for AIRNOW.GOV/A
	Received 536 bytes from 161.80.212.15
	;; Response received from [161.80.212.15] 536 octets ;; HEADER SECTION ;; id = 11568 ;; 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. 2021127252 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN NSEC3 ( 1 0 10 d9c575b98ea3c50a 1aov33i6mju9dteph1km56fm6gmhamhb NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250922033842 20250918030046 31806 airnow.gov. mTD3bVtRjnzagJR+vNlzksywtcF8MxN033bWPGDAcFvsby1gc09nDXoUOtwRpwEPeQ2PHXQ4Zxq7 jm7xe4p5yEExIOWIsRTfEh28sMD+mVPNhsXGjWSaNioulqqtBLISnpVQPxk9vGmIkgg162r3o1j6 Gzbkw8cNze0bwbkjGnQ= ) ;; 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 536 bytes from 161.80.212.15
	;; Response received from [161.80.212.15] 536 octets ;; HEADER SECTION ;; id = 57312 ;; 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. 2021127252 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN NSEC3 ( 1 0 10 d9c575b98ea3c50a 1aov33i6mju9dteph1km56fm6gmhamhb NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250922033842 20250918030046 31806 airnow.gov. mTD3bVtRjnzagJR+vNlzksywtcF8MxN033bWPGDAcFvsby1gc09nDXoUOtwRpwEPeQ2PHXQ4Zxq7 jm7xe4p5yEExIOWIsRTfEh28sMD+mVPNhsXGjWSaNioulqqtBLISnpVQPxk9vGmIkgg162r3o1j6 Gzbkw8cNze0bwbkjGnQ= ) ;; 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 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= )`
	RRSIG=31806 and DNSKEY=31806 verifies the SOA RRset

AIRNOW.GOV

	Query to nccns2.epa.GOV for AIRNOW.GOV/A
	Received 536 bytes from 134.67.12.15
	;; Response received from [134.67.12.15] 536 octets ;; HEADER SECTION ;; id = 21914 ;; 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. 2021127252 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN NSEC3 ( 1 0 10 d9c575b98ea3c50a 1aov33i6mju9dteph1km56fm6gmhamhb NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250922033842 20250918030046 31806 airnow.gov. mTD3bVtRjnzagJR+vNlzksywtcF8MxN033bWPGDAcFvsby1gc09nDXoUOtwRpwEPeQ2PHXQ4Zxq7 jm7xe4p5yEExIOWIsRTfEh28sMD+mVPNhsXGjWSaNioulqqtBLISnpVQPxk9vGmIkgg162r3o1j6 Gzbkw8cNze0bwbkjGnQ= ) ;; 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 536 bytes from 134.67.12.15
	;; Response received from [134.67.12.15] 536 octets ;; HEADER SECTION ;; id = 58580 ;; 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. 2021127252 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN NSEC3 ( 1 0 10 d9c575b98ea3c50a 1aov33i6mju9dteph1km56fm6gmhamhb NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250922033842 20250918030046 31806 airnow.gov. mTD3bVtRjnzagJR+vNlzksywtcF8MxN033bWPGDAcFvsby1gc09nDXoUOtwRpwEPeQ2PHXQ4Zxq7 jm7xe4p5yEExIOWIsRTfEh28sMD+mVPNhsXGjWSaNioulqqtBLISnpVQPxk9vGmIkgg162r3o1j6 Gzbkw8cNze0bwbkjGnQ= ) ;; 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 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= )`
	RRSIG=31806 and DNSKEY=31806 verifies the SOA RRset

AIRNOW.GOV

	Query to dcns1.epa.GOV for AIRNOW.GOV/A
	Received 536 bytes from 161.80.212.5
	;; Response received from [161.80.212.5] 536 octets ;; HEADER SECTION ;; id = 52638 ;; 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. 2021127252 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN NSEC3 ( 1 0 10 d9c575b98ea3c50a 1aov33i6mju9dteph1km56fm6gmhamhb NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250922033842 20250918030046 31806 airnow.gov. mTD3bVtRjnzagJR+vNlzksywtcF8MxN033bWPGDAcFvsby1gc09nDXoUOtwRpwEPeQ2PHXQ4Zxq7 jm7xe4p5yEExIOWIsRTfEh28sMD+mVPNhsXGjWSaNioulqqtBLISnpVQPxk9vGmIkgg162r3o1j6 Gzbkw8cNze0bwbkjGnQ= ) ;; 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 536 bytes from 161.80.212.5
	;; Response received from [161.80.212.5] 536 octets ;; HEADER SECTION ;; id = 37742 ;; 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. 2021127252 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) AIRNOW.GOV. 900 IN RRSIG ( SOA 8 2 3600 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN NSEC3 ( 1 0 10 d9c575b98ea3c50a 1aov33i6mju9dteph1km56fm6gmhamhb NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) UU3FVOHO3PR5V09D69CTH75G1BCTI3T9.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20250922033842 20250918030046 31806 airnow.gov. mTD3bVtRjnzagJR+vNlzksywtcF8MxN033bWPGDAcFvsby1gc09nDXoUOtwRpwEPeQ2PHXQ4Zxq7 jm7xe4p5yEExIOWIsRTfEh28sMD+mVPNhsXGjWSaNioulqqtBLISnpVQPxk9vGmIkgg162r3o1j6 Gzbkw8cNze0bwbkjGnQ= ) ;; 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 20250922045245 20250918035245 31806 airnow.gov. d3rW+dOpcpYsCQckMPFe34HPYpyaNvUhFGUNToY+SuZ3JNjmwFlafnWrEpJNQ5tEvAWLlpqxsOwg K1Bt7eknQimLz3NIzdz3cjsRZiCaucXYmRE2fEOMMrnDfnT044MCD5XZYVCS5gWZ+HcgKOWVUKkx 8VrP70RHWn3OQH5qYbE= )`
	RRSIG=31806 and DNSKEY=31806 verifies the SOA RRset

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