DNSSEC Debugger - airnow.gov

Domain Name:

Time: 2025-09-18 12:49:23 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 c.root-servers.net for ./DNSKEY
	Received 1417 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 1417 octets ;; HEADER SECTION ;; id = 56133 ;; 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 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 DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148 . 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 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 DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148`
	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=46441 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	DNSKEY=53148 is now in the chain-of-trust
	Query to c.root-servers.net for airnow.gov/A
	Received 620 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 620 octets ;; HEADER SECTION ;; id = 4814 ;; 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 d.ns.gov. gov. 172800 IN NS c.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 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== ) ;; 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 m.root-servers.net for gov/DNSKEY
	Received 613 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 613 octets ;; HEADER SECTION ;; id = 5408 ;; 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 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 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== ) ;; 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 l.root-servers.net for gov/DS
	Received 367 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 367 octets ;; HEADER SECTION ;; id = 33743 ;; 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": 4096, ;; "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 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== ) ;; 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 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== )`
	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 = 52910 ;; 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 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 = 910 ;; 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 20250919134923 20250917114923 35496 gov. KeclSIeKD5mgqEuETxtGbilTQuf2vaCP4fsyQG+I6tOnK6TQJuVrbsNeshQdKnmATjCimkAcsYIf lM0By3aBdQ== ) ;; 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 = 54935 ;; 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 20250919134923 20250917114923 35496 gov. jzjqe6ivjJ6dxLd3JFLwlD1Zz5skFQiXpfVlGfFZrnJacFcTou0EPqcre/EO7OeGbs2RGCONpet2 QFIHHGIVJA== ) ;; ADDITIONAL SECTION (9 records) dcns1.epa.gov. 3600 IN A 161.80.212.5 dcns1.epa.gov. 3600 IN AAAA 2620:117:5071:d4::f005 dcns2.epa.gov. 3600 IN A 161.80.212.15 dcns2.epa.gov. 3600 IN AAAA 2620:117:5071:d4::f00f nccns1.epa.gov. 3600 IN A 134.67.12.5 nccns1.epa.gov. 3600 IN AAAA 2620:117:506f:c::f005 nccns2.epa.gov. 3600 IN A 134.67.12.15 nccns2.epa.gov. 3600 IN AAAA 2620:117:506f:c::f00f ;; { "EDNS-VERSION": 0 }
	Found child zone airnow.gov

airnow.gov

	Checking DS between gov and airnow.gov
	Query to c.ns.gov for airnow.gov/DS
	Received 234 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 234 octets ;; HEADER SECTION ;; id = 35615 ;; 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 20250919134923 20250917114923 35496 gov. +1vBjeyR2BajZclqv4/ivackFaJzaaYviKq1kqzRi2ZKzxmIGXFM1FHGycTBZJ2o6a7OhPxjr40W tkfePvRFzw== ) ;; 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 20250919134923 20250917114923 35496 gov. +1vBjeyR2BajZclqv4/ivackFaJzaaYviKq1kqzRi2ZKzxmIGXFM1FHGycTBZJ2o6a7OhPxjr40W tkfePvRFzw== )`
	RRSIG=35496 and DNSKEY=35496 verifies the DS RRset
	DS=13009/SHA-256 is now in the chain-of-trust
	DS=13180/SHA-256 is now in the chain-of-trust
	`airnow.gov. 3600 IN DS ( 13009 8 2 3153a088767dff5f4411037dca8dc1cbfdb8880e7151de61c91eba6175a580c9 )`
	`airnow.gov. 3600 IN DS ( 13180 8 2 371805368a372ec4c5b6c0a8e49faa786317ae04d918b53599cf20e21e2c691a )`
	Query to nccns1.epa.gov for airnow.gov/DNSKEY
	Received 1079 bytes from 134.67.12.5
	;; Response received from [134.67.12.5] 1079 octets ;; HEADER SECTION ;; id = 31035 ;; 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 ( 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 DNSKEY ( 256 3 8 AwEAAeAN1I6xRPoOge0RTw1vAVGoedPlG7hmOk8bdtx9gdwQxwzVl4uPRlrnLtjDUxn03HsjCFbl mxeN3kle9220unPDrmo3VZ3f3lIhHJ48QPwf3rcP52sqmgwK+TeQFrbCNm2XOebVgswP1aH/rUbU +r0DJcW1CWQTV/JE71mdrRpF ) ; keytag 31806 airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250922114308 20250918104425 13009 airnow.gov. QYCWnuzv3Qf4XM875W8xKkIGHNOr7omzNthBR2oSzNWjaI6CNryT9BiMllTeoxLAzhORbGvHgsm8 8XSvjF5/Oihm7JdSLmurd/q+VaE62YitgTac5DzqYDDIEH8YU7+vLUkq8big4P8sYLYFrEwfwvml Ju9D7tdmT586gjPXaOYUd2QvuRYUMIlnHG22xF+n/M0FPW9YmcHZok1doXhiYtG//+9HsiPao6KZ lhTYjoWCokoXjGSrq+MDtV/FFEiTUaznxKLV9UlclXYmdbHcDtPL5wNfeC9ellM8L58BaR4x/ESq SdR0DBxLvrufat75jmO9EH0aEOfCcHsX/Ihmmw== ) airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250922114308 20250918104425 31806 airnow.gov. dTMoOvrPi1SJid8EDHi2YJJ+wrESR2tRNT+iI/mptcFhUN4nvmFY70rgE9d7ADN7eJx/1h2oJVPQ Xz4WRSu4X/E4GnKN7ccp9h9J8TfmN15miVOS3eA8/zH1mPYLVEOZ3XUc3lrULRdohMLHT/R6dcqc 8NrYZ6Is0nvzdYSnANQ= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 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 ( 256 3 8 AwEAAbUIG2fRv7dKbMkNa97fPTaN5TGbyPhHFBmVAzftmoR4ilf9wEiSF2/ogY7EBtulqIddUSVG IckSV79LXHr21Op0TNoAJ0bKu7+kZFvsW0txVb6lkv4uUxvflh4DtJbyESrimStq4+g1puMM5Kg2 XohCvl/YXeODuEnGkWj/s1g1 ) ; keytag 20935`
	`airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAeAN1I6xRPoOge0RTw1vAVGoedPlG7hmOk8bdtx9gdwQxwzVl4uPRlrnLtjDUxn03HsjCFbl mxeN3kle9220unPDrmo3VZ3f3lIhHJ48QPwf3rcP52sqmgwK+TeQFrbCNm2XOebVgswP1aH/rUbU +r0DJcW1CWQTV/JE71mdrRpF ) ; keytag 31806`
	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 20250922114308 20250918104425 13009 airnow.gov. QYCWnuzv3Qf4XM875W8xKkIGHNOr7omzNthBR2oSzNWjaI6CNryT9BiMllTeoxLAzhORbGvHgsm8 8XSvjF5/Oihm7JdSLmurd/q+VaE62YitgTac5DzqYDDIEH8YU7+vLUkq8big4P8sYLYFrEwfwvml Ju9D7tdmT586gjPXaOYUd2QvuRYUMIlnHG22xF+n/M0FPW9YmcHZok1doXhiYtG//+9HsiPao6KZ lhTYjoWCokoXjGSrq+MDtV/FFEiTUaznxKLV9UlclXYmdbHcDtPL5wNfeC9ellM8L58BaR4x/ESq SdR0DBxLvrufat75jmO9EH0aEOfCcHsX/Ihmmw== )`
	`airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20250922114308 20250918104425 31806 airnow.gov. dTMoOvrPi1SJid8EDHi2YJJ+wrESR2tRNT+iI/mptcFhUN4nvmFY70rgE9d7ADN7eJx/1h2oJVPQ Xz4WRSu4X/E4GnKN7ccp9h9J8TfmN15miVOS3eA8/zH1mPYLVEOZ3XUc3lrULRdohMLHT/R6dcqc 8NrYZ6Is0nvzdYSnANQ= )`
	RRSIG=13009 and DNSKEY=13009/SEP verifies the DNSKEY RRset
	RRSIG=31806 and DNSKEY=31806 verifies the DNSKEY RRset
	DNSKEY=20935 is now in the chain-of-trust
	DNSKEY=31806 is now in the chain-of-trust
	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 = 58958 ;; 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. 2021127254 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= ) 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 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 = 52499 ;; 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. 2021127254 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= ) ;; 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 = 32904 ;; 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. 2021127254 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= ) ;; 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 = 40923 ;; 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. 2021127254 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 = 46952 ;; 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. 2021127254 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= ) 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 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= )`
	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 = 45710 ;; 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. 2021127254 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= ) 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 = 48089 ;; 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. 2021127254 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= ) 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 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= )`
	RRSIG=31806 and DNSKEY=31806 verifies the SOA RRset

airnow.gov

	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 = 3322 ;; 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. 2021127254 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= ) 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 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 = 33830 ;; 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. 2021127254 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= ) 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 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= )`
	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 = 52429 ;; 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. 2021127254 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= ) 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 = 53594 ;; 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. 2021127254 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= ) 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 20250922114425 20250918104425 31806 airnow.gov. O5U0e3VQ+UcYVoq6pj9+uncxwh1/w2pDZG/p/8rbhqTKdMCJcQrhvijkaEldBMbS5+2ZfwhYSiTK RRkZeGIjlnN6BlvaufAU1PZE1t1U/lzJ8hx+A3lqMmRudb3UScRfiPdL9rXe1/ZgjYIoCJflNUOX 3vYKXQqvZgh2Lf6/iAU= )`
	RRSIG=31806 and DNSKEY=31806 verifies the SOA RRset

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