DNSSEC Debugger - airnow.gov

Domain Name:

Time: 2025-07-03 04:11:41 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 1414 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 1414 octets ;; HEADER SECTION ;; id = 40254 ;; 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": 4096, ;; "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 ( 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 DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441 . 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 ( 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 DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441`
	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=38696/SEP is now in the chain-of-trust
	DNSKEY=46441 is now in the chain-of-trust
	Query to g.root-servers.net for airnow.gov/A
	Received 620 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 620 octets ;; HEADER SECTION ;; id = 49856 ;; 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 b.ns.gov. gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20250715170000 20250702160000 46441 . IpARZe8MTs8tiRk0TnFrPW6Qi0iJU/LKNSzxrDM/ak/3YsAgfD8sdShZ6VGMK8zxUuDp8dIYrDhe lqHyI9b+q25+sx/0stxKsLfizJJatYSFyCBDZqVybsIJ47aD7nVuZBcrPkiKhticdvgvwlamBhOS cxVD1tqPUz9F8nMANkAyhOBxg4eRiJHcif1iD5w2g5uQI9UCGWLUk0Hok16cbNo5kxvV6BfbqTg+ ZwD9gDrN1m2hMP/l0jZzoLhekUWThXz3UOzzOJcXf1H4czdtHAf5Gpcwn+PWtvAL6fDqgZwb9R8X VZArUa8jxFKxEfYTSfbV7QgEZ27dJqjuj1aI+g== ) ;; 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 a.root-servers.net for gov/DNSKEY
	Received 610 bytes from 198.41.0.4
	;; Response received from [198.41.0.4] 610 octets ;; HEADER SECTION ;; id = 16298 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS d.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 20250715170000 20250702160000 46441 . IpARZe8MTs8tiRk0TnFrPW6Qi0iJU/LKNSzxrDM/ak/3YsAgfD8sdShZ6VGMK8zxUuDp8dIYrDhe lqHyI9b+q25+sx/0stxKsLfizJJatYSFyCBDZqVybsIJ47aD7nVuZBcrPkiKhticdvgvwlamBhOS cxVD1tqPUz9F8nMANkAyhOBxg4eRiJHcif1iD5w2g5uQI9UCGWLUk0Hok16cbNo5kxvV6BfbqTg+ ZwD9gDrN1m2hMP/l0jZzoLhekUWThXz3UOzzOJcXf1H4czdtHAf5Gpcwn+PWtvAL6fDqgZwb9R8X VZArUa8jxFKxEfYTSfbV7QgEZ27dJqjuj1aI+g== ) ;; ADDITIONAL SECTION (9 records) c.ns.gov. 172800 IN A 199.33.232.1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 a.ns.gov. 172800 IN A 199.33.230.1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 d.ns.gov. 172800 IN A 199.33.233.1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 b.ns.gov. 172800 IN A 199.33.231.1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 ;; { "EDNS-VERSION": 0 }
	Found child zone gov

gov

	Checking DS between . and gov
	Query to f.root-servers.net for gov/DS
	Received 367 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 367 octets ;; HEADER SECTION ;; id = 25526 ;; 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 20250715170000 20250702160000 46441 . IpARZe8MTs8tiRk0TnFrPW6Qi0iJU/LKNSzxrDM/ak/3YsAgfD8sdShZ6VGMK8zxUuDp8dIYrDhe lqHyI9b+q25+sx/0stxKsLfizJJatYSFyCBDZqVybsIJ47aD7nVuZBcrPkiKhticdvgvwlamBhOS cxVD1tqPUz9F8nMANkAyhOBxg4eRiJHcif1iD5w2g5uQI9UCGWLUk0Hok16cbNo5kxvV6BfbqTg+ ZwD9gDrN1m2hMP/l0jZzoLhekUWThXz3UOzzOJcXf1H4czdtHAf5Gpcwn+PWtvAL6fDqgZwb9R8X VZArUa8jxFKxEfYTSfbV7QgEZ27dJqjuj1aI+g== ) ;; 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 20250715170000 20250702160000 46441 . IpARZe8MTs8tiRk0TnFrPW6Qi0iJU/LKNSzxrDM/ak/3YsAgfD8sdShZ6VGMK8zxUuDp8dIYrDhe lqHyI9b+q25+sx/0stxKsLfizJJatYSFyCBDZqVybsIJ47aD7nVuZBcrPkiKhticdvgvwlamBhOS cxVD1tqPUz9F8nMANkAyhOBxg4eRiJHcif1iD5w2g5uQI9UCGWLUk0Hok16cbNo5kxvV6BfbqTg+ ZwD9gDrN1m2hMP/l0jZzoLhekUWThXz3UOzzOJcXf1H4czdtHAf5Gpcwn+PWtvAL6fDqgZwb9R8X VZArUa8jxFKxEfYTSfbV7QgEZ27dJqjuj1aI+g== )`
	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 d.ns.gov for gov/DNSKEY
	Received 291 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 291 octets ;; HEADER SECTION ;; id = 60474 ;; 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 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 = 54448 ;; 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 20250704051141 20250702031141 35496 gov. VIwFJ2qszFoUuMhc9+IwAllj8+SyGTEK7IS/pCBjYAJjB/T81SmqK/rjIsIMVZ8vQqwiVQP4U8ox IkH7XgvARg== ) ;; 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 d.ns.gov for airnow.gov/DNSKEY
	Received 496 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 496 octets ;; HEADER SECTION ;; id = 30661 ;; 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 20250704051141 20250702031141 35496 gov. ZUNikphFwFsRGvwErrRA1imsrpS/dhmYDjWuVNvwu90PQbiqQEPdS/R0GIcNQwyKe7KXuuFcP7SZ cZZwS1ZkPA== ) ;; 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 d.ns.gov for airnow.gov/DS
	Received 234 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 234 octets ;; HEADER SECTION ;; id = 13157 ;; 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 20250704051141 20250702031141 35496 gov. HrPG3VEUWovpxjbehG7lM1SYTMxFceFAN7/salR011zGkmsEP3MEC9kizozR7MT60RgPZykgM9Kh AkjcC35KBQ== ) ;; 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 20250704051141 20250702031141 35496 gov. HrPG3VEUWovpxjbehG7lM1SYTMxFceFAN7/salR011zGkmsEP3MEC9kizozR7MT60RgPZykgM9Kh AkjcC35KBQ== )`
	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 = 55599 ;; 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 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 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 RRSIG ( DNSKEY 8 2 172800 20250706131250 20250702124816 13009 airnow.gov. OrV/xI9xY2AqJfv0hAsMJtXgtzjM9h2NHmT9v1oAHubqf0+r7rWGdSivY/fGafwgHSpNxRlr7xux oGfKPYSAVbrvmpXbNH9dMokvgtYGMn4P5bO4gx830AXsDK47c/fzbENWbCuwIF1y14SOsPKUfbMn 9LzSD7eHQgtf1V9k5idkFULXqubakGwC7j9TA4/cI7klb7uX9DqlW5Kxlu2DOwNw7cF35N1OK8tK B4egR4TVOh4iR/rE/riUcBeTo4i3wZr+VrAcPb0XkR13k+R/N2dLh/ifwb1RiBeBO+Zyf5rv5IY0 UVbv15GIBXhQVA7xtyFQokei4PO0pPTBIMydAg== ) airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250706131250 20250702124816 13180 airnow.gov. SzlDM/gjHkBW9sce4kTaL76Wa1e2zffm9rKEJZ9Qt6T0rd9Sl03tUfHM1WCN1nu2Pik/rENd82pa IuTYbvZDWFNp/dkaucH5gyavitVSJF8ZQh41PZWSmo/niBqYn4sNRcFPXC5rMqru5VCZERw+ZDOg uRJW9poKIBY44N1mtcYzkNP4eyGpI+IzwJ/cqVyFNTSqItSg65hTVRHx3/JEYrN+6+mR8lcBJUaQ JLiu25nx5WWiHx+hrgKBriGdsmpHt2GztdECFRzFMr3sHcxr7c3rGRaiAv8RQ5RlsOdBPJ9TeZ6p S7LvOmRyTJEbNmQ4bQeenvJeLuTQ6PMUFUC4Tw== ) airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250706131250 20250702124816 22104 airnow.gov. tWIBr9c7wk/TCNx8u99H2e2rCre4/ACyi5RIG7rR5U3Zsw6iG9L4HPWWmWVqkM58JuG5xE0hVbRr xDav3SAUoHfe2hPIyJcVQ/17eGNuzXDZfIbTGE0oa9dGWBsmak/N4NQlDbQEm2wZCCMuTZm8Jtcd WbM652X9N4rKfzdfE/k= ) ;; 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 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 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`
	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 20250706131250 20250702124816 13009 airnow.gov. OrV/xI9xY2AqJfv0hAsMJtXgtzjM9h2NHmT9v1oAHubqf0+r7rWGdSivY/fGafwgHSpNxRlr7xux oGfKPYSAVbrvmpXbNH9dMokvgtYGMn4P5bO4gx830AXsDK47c/fzbENWbCuwIF1y14SOsPKUfbMn 9LzSD7eHQgtf1V9k5idkFULXqubakGwC7j9TA4/cI7klb7uX9DqlW5Kxlu2DOwNw7cF35N1OK8tK B4egR4TVOh4iR/rE/riUcBeTo4i3wZr+VrAcPb0XkR13k+R/N2dLh/ifwb1RiBeBO+Zyf5rv5IY0 UVbv15GIBXhQVA7xtyFQokei4PO0pPTBIMydAg== )`
	`airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250706131250 20250702124816 13180 airnow.gov. SzlDM/gjHkBW9sce4kTaL76Wa1e2zffm9rKEJZ9Qt6T0rd9Sl03tUfHM1WCN1nu2Pik/rENd82pa IuTYbvZDWFNp/dkaucH5gyavitVSJF8ZQh41PZWSmo/niBqYn4sNRcFPXC5rMqru5VCZERw+ZDOg uRJW9poKIBY44N1mtcYzkNP4eyGpI+IzwJ/cqVyFNTSqItSg65hTVRHx3/JEYrN+6+mR8lcBJUaQ JLiu25nx5WWiHx+hrgKBriGdsmpHt2GztdECFRzFMr3sHcxr7c3rGRaiAv8RQ5RlsOdBPJ9TeZ6p S7LvOmRyTJEbNmQ4bQeenvJeLuTQ6PMUFUC4Tw== )`
	`airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250706131250 20250702124816 22104 airnow.gov. tWIBr9c7wk/TCNx8u99H2e2rCre4/ACyi5RIG7rR5U3Zsw6iG9L4HPWWmWVqkM58JuG5xE0hVbRr xDav3SAUoHfe2hPIyJcVQ/17eGNuzXDZfIbTGE0oa9dGWBsmak/N4NQlDbQEm2wZCCMuTZm8Jtcd WbM652X9N4rKfzdfE/k= )`
	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 = 63432 ;; 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. 2021126901 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= ) 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 20250706121226 20250702115748 22104 airnow.gov. Zl0IwwEdmDd9OGAjN7hhjr+XsnA6788MX/+cX1WaxhJ7KboAly3AOwQJYoOh0toEEGCySNvgc2yQ hSaH8PoUU48XVMxdviaQLFfASHgDxzLmja+jBRyE4T0FarUY3O3TP01bCeUdqiudPFW3xC3jfz+h 4sKOHuh/G1MA6kAh0/8= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dcns1.epa.gov is authoritative for airnow.gov
	Found RRSIG signed by airnow.gov zone
	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 = 13821 ;; 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. 2021126901 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 = 54650 ;; 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. 2021126901 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= ) ;; 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 = 1786 ;; 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. 2021126901 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= ) ;; 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 = 16198 ;; 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. 2021126901 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= ) 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 20250706121226 20250702115748 22104 airnow.gov. Zl0IwwEdmDd9OGAjN7hhjr+XsnA6788MX/+cX1WaxhJ7KboAly3AOwQJYoOh0toEEGCySNvgc2yQ hSaH8PoUU48XVMxdviaQLFfASHgDxzLmja+jBRyE4T0FarUY3O3TP01bCeUdqiudPFW3xC3jfz+h 4sKOHuh/G1MA6kAh0/8= ) ;; 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 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= )`
	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 = 47648 ;; 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. 2021126901 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= ) 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 20250706121226 20250702115748 22104 airnow.gov. Zl0IwwEdmDd9OGAjN7hhjr+XsnA6788MX/+cX1WaxhJ7KboAly3AOwQJYoOh0toEEGCySNvgc2yQ hSaH8PoUU48XVMxdviaQLFfASHgDxzLmja+jBRyE4T0FarUY3O3TP01bCeUdqiudPFW3xC3jfz+h 4sKOHuh/G1MA6kAh0/8= ) ;; 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 = 52818 ;; 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. 2021126901 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= ) 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 20250706121226 20250702115748 22104 airnow.gov. Zl0IwwEdmDd9OGAjN7hhjr+XsnA6788MX/+cX1WaxhJ7KboAly3AOwQJYoOh0toEEGCySNvgc2yQ hSaH8PoUU48XVMxdviaQLFfASHgDxzLmja+jBRyE4T0FarUY3O3TP01bCeUdqiudPFW3xC3jfz+h 4sKOHuh/G1MA6kAh0/8= ) ;; 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 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= )`
	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 = 34211 ;; 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. 2021126901 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= ) 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 20250706121226 20250702115748 22104 airnow.gov. Zl0IwwEdmDd9OGAjN7hhjr+XsnA6788MX/+cX1WaxhJ7KboAly3AOwQJYoOh0toEEGCySNvgc2yQ hSaH8PoUU48XVMxdviaQLFfASHgDxzLmja+jBRyE4T0FarUY3O3TP01bCeUdqiudPFW3xC3jfz+h 4sKOHuh/G1MA6kAh0/8= ) ;; 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 = 13594 ;; 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. 2021126901 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= ) 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 20250706121226 20250702115748 22104 airnow.gov. Zl0IwwEdmDd9OGAjN7hhjr+XsnA6788MX/+cX1WaxhJ7KboAly3AOwQJYoOh0toEEGCySNvgc2yQ hSaH8PoUU48XVMxdviaQLFfASHgDxzLmja+jBRyE4T0FarUY3O3TP01bCeUdqiudPFW3xC3jfz+h 4sKOHuh/G1MA6kAh0/8= ) ;; 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 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= )`
	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 = 19272 ;; 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. 2021126901 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= ) 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 20250706121226 20250702115748 22104 airnow.gov. Zl0IwwEdmDd9OGAjN7hhjr+XsnA6788MX/+cX1WaxhJ7KboAly3AOwQJYoOh0toEEGCySNvgc2yQ hSaH8PoUU48XVMxdviaQLFfASHgDxzLmja+jBRyE4T0FarUY3O3TP01bCeUdqiudPFW3xC3jfz+h 4sKOHuh/G1MA6kAh0/8= ) ;; 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 = 1969 ;; 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. 2021126901 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= ) 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 20250706121226 20250702115748 22104 airnow.gov. Zl0IwwEdmDd9OGAjN7hhjr+XsnA6788MX/+cX1WaxhJ7KboAly3AOwQJYoOh0toEEGCySNvgc2yQ hSaH8PoUU48XVMxdviaQLFfASHgDxzLmja+jBRyE4T0FarUY3O3TP01bCeUdqiudPFW3xC3jfz+h 4sKOHuh/G1MA6kAh0/8= ) ;; 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 20250706134816 20250702124816 22104 airnow.gov. rT7dpHyby96XRCYndyqZTH+gwm0oAmQ1lDjIo369J7SzvBEADefYb3JqlxyVC5Tw76rXt/erj1BG wFEpYTR3TtsaYbdUMS/CWBcI2iJVQJsaSpauqS59YGmz0upyakTx9yk5r4MIpxoL5avFTY47GaCJ fwnB6pCPyC6O+7sAhmM= )`
	RRSIG=22104 and DNSKEY=22104 verifies the SOA RRset

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