DNSSEC Debugger - airnow.gov

Domain Name:

Time: 2025-12-31 13:20:42 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 i.root-servers.net for ./DNSKEY
	Received 1417 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 1417 octets ;; HEADER SECTION ;; id = 24097 ;; 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 ( 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 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809 . 172800 IN DNSKEY ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831 . 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 RRSIG ( DNSKEY 8 0 172800 20260110000000 20251220000000 20326 . RZO5FQjtg6Yk0Dara521nCUfYnQxCLAVdbC+buKQVAKlHsZ6srxXHNAL8DMoHohT+PyIlPFAQMb5 fBZatrDaqxpZZ/YbC0A2zxGxOwuOPb1xRbqi6E3zSKfilTRuAux5jN0KYbZZhFxda62e9Hv+2GJs MLixTpiV3RVXtxENI2GPRA8mRRJPBDR7XVQF/2Pz+vjcAW07dp27CrNmQPyZtVjSgw49Jz1rSsAm +EEKO6C7KLG5hmENQr165D3YjMWCs93YhTY8bhWYVqeDtsB1BwoEWkMqSFs4I4+uMd14BHvO6mlq zOZyWC+3kXYTpoAlE0kFhKNv1i54wgHRB+paqw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for .
	`. 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 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	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 20260110000000 20251220000000 20326 . RZO5FQjtg6Yk0Dara521nCUfYnQxCLAVdbC+buKQVAKlHsZ6srxXHNAL8DMoHohT+PyIlPFAQMb5 fBZatrDaqxpZZ/YbC0A2zxGxOwuOPb1xRbqi6E3zSKfilTRuAux5jN0KYbZZhFxda62e9Hv+2GJs MLixTpiV3RVXtxENI2GPRA8mRRJPBDR7XVQF/2Pz+vjcAW07dp27CrNmQPyZtVjSgw49Jz1rSsAm +EEKO6C7KLG5hmENQr165D3YjMWCs93YhTY8bhWYVqeDtsB1BwoEWkMqSFs4I4+uMd14BHvO6mlq zOZyWC+3kXYTpoAlE0kFhKNv1i54wgHRB+paqw== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=38696/SEP is now in the chain-of-trust
	DNSKEY=61809 is now in the chain-of-trust
	DNSKEY=21831 is now in the chain-of-trust
	Query to f.root-servers.net for airnow.gov/A
	Received 617 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 617 octets ;; HEADER SECTION ;; id = 1712 ;; 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 20260113050000 20251231040000 61809 . Yfgd84Cgg4NlRpQRXIzPubxs5nFRKibsWQp6yJ39zT2m9Dbgm3fuZCjEu3N7QsgnuQ99m+rBJn4k OLQx4C5PST1GP8+kw+TvmRFUKo4jW63oD8DVgf8+xDiLuQAqdNOjdet1Oo41EJ6inI2wbSLyImZW 9ZwrPhPNoCXZkJujaqFydsgt6YrjEXJOZ5HYJQDunACRqxSZ1yQrq3Hkm2I0Aq1P3CDZDs4AnX3h Uy7LIY8lN3eXpjtKnV4iRtJPHeYz8zxFuph8v+bP8v8fj744MBeXdM66oBPD60SJMKKyGYd0gPzV 1gvIQVLItWTzY0kDrIDp4PdqtTc6+pIU+9W3+w== ) ;; 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 d.root-servers.net for gov/DNSKEY
	Received 610 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 610 octets ;; HEADER SECTION ;; id = 4197 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1450, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS b.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20260113050000 20251231040000 61809 . Yfgd84Cgg4NlRpQRXIzPubxs5nFRKibsWQp6yJ39zT2m9Dbgm3fuZCjEu3N7QsgnuQ99m+rBJn4k OLQx4C5PST1GP8+kw+TvmRFUKo4jW63oD8DVgf8+xDiLuQAqdNOjdet1Oo41EJ6inI2wbSLyImZW 9ZwrPhPNoCXZkJujaqFydsgt6YrjEXJOZ5HYJQDunACRqxSZ1yQrq3Hkm2I0Aq1P3CDZDs4AnX3h Uy7LIY8lN3eXpjtKnV4iRtJPHeYz8zxFuph8v+bP8v8fj744MBeXdM66oBPD60SJMKKyGYd0gPzV 1gvIQVLItWTzY0kDrIDp4PdqtTc6+pIU+9W3+w== ) ;; ADDITIONAL SECTION (9 records) a.ns.gov. 172800 IN A 199.33.230.1 b.ns.gov. 172800 IN A 199.33.231.1 c.ns.gov. 172800 IN A 199.33.232.1 d.ns.gov. 172800 IN A 199.33.233.1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 ;; { "EDNS-VERSION": 0 }
	Found child zone gov

gov

	Checking DS between . and gov
	Query to m.root-servers.net for gov/DS
	Received 367 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 367 octets ;; HEADER SECTION ;; id = 27403 ;; 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": 1232, ;; "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 20260113050000 20251231040000 61809 . Yfgd84Cgg4NlRpQRXIzPubxs5nFRKibsWQp6yJ39zT2m9Dbgm3fuZCjEu3N7QsgnuQ99m+rBJn4k OLQx4C5PST1GP8+kw+TvmRFUKo4jW63oD8DVgf8+xDiLuQAqdNOjdet1Oo41EJ6inI2wbSLyImZW 9ZwrPhPNoCXZkJujaqFydsgt6YrjEXJOZ5HYJQDunACRqxSZ1yQrq3Hkm2I0Aq1P3CDZDs4AnX3h Uy7LIY8lN3eXpjtKnV4iRtJPHeYz8zxFuph8v+bP8v8fj744MBeXdM66oBPD60SJMKKyGYd0gPzV 1gvIQVLItWTzY0kDrIDp4PdqtTc6+pIU+9W3+w== ) ;; 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 20260113050000 20251231040000 61809 . Yfgd84Cgg4NlRpQRXIzPubxs5nFRKibsWQp6yJ39zT2m9Dbgm3fuZCjEu3N7QsgnuQ99m+rBJn4k OLQx4C5PST1GP8+kw+TvmRFUKo4jW63oD8DVgf8+xDiLuQAqdNOjdet1Oo41EJ6inI2wbSLyImZW 9ZwrPhPNoCXZkJujaqFydsgt6YrjEXJOZ5HYJQDunACRqxSZ1yQrq3Hkm2I0Aq1P3CDZDs4AnX3h Uy7LIY8lN3eXpjtKnV4iRtJPHeYz8zxFuph8v+bP8v8fj744MBeXdM66oBPD60SJMKKyGYd0gPzV 1gvIQVLItWTzY0kDrIDp4PdqtTc6+pIU+9W3+w== )`
	RRSIG=61809 and DNSKEY=61809 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 = 42410 ;; 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 20260301110621 20251230110621 2536 gov. iCtKgojxRJ3aC+zRkeRtYN8ULchb9nyn0dGHPebhgcZI66aNxjbxFRdkFaPdfb7Jm2tyceq+I9oR dhCENtiufw== ) ;; 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 20260301110621 20251230110621 2536 gov. iCtKgojxRJ3aC+zRkeRtYN8ULchb9nyn0dGHPebhgcZI66aNxjbxFRdkFaPdfb7Jm2tyceq+I9oR dhCENtiufw== )`
	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 = 27312 ;; 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 20260101142043 20251230122043 35496 gov. qvLUtlEhsiQzfe+/Jz73Z69KBQ5khmFUuVYF9rzPevTL6qQfFXLMDbcPdUy4/xk3cz991Tlwo+XO 2HSARJrstA== ) ;; 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 = 21306 ;; 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 20260101142043 20251230122043 35496 gov. jK8nzIBV158KQ3iemGPLv8BlUo6SJ5gMLfBtX1c3LTFOq69Xmm5G8kjaRhJfwNOwh5EDMTf+0Sv3 DMFWFAA9BA== ) ;; 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 = 17642 ;; 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 20260101142043 20251230122043 35496 gov. KxSn4loJ2VvBbAvQ0KApnhZH6I9CoeaJPVo+XUCHvYsTZb37ndC2ASkLZui1fTD5uhtbrSPtZBYn 3OJoSFdnNg== ) ;; 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 20260101142043 20251230122043 35496 gov. KxSn4loJ2VvBbAvQ0KApnhZH6I9CoeaJPVo+XUCHvYsTZb37ndC2ASkLZui1fTD5uhtbrSPtZBYn 3OJoSFdnNg== )`
	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 1227 bytes from 161.80.212.15
	;; Response received from [161.80.212.15] 1227 octets ;; HEADER SECTION ;; id = 9195 ;; 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 = 6 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; airnow.gov. IN DNSKEY ;; ANSWER SECTION (6 records) airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAcwCc1H2+BwKqxfZeRqWLF9it3E+sTl6uuj9sl9CxH2WueME+AqkLsqTSdkllw5k9905mymt lyyj8eXqyJ2a4KjupAADfHTqfG/z1z9rwtVLNMncj7A4xrzypJlqBNK34NIwcgUpZMAs3AQHlENc vtRws0hVIVoIbmM0aUHXMu6T ) ; keytag 50788 airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAa1O0QOKbjDFjiFX67HLmZVL6GbBAn8ts44LnCa4kvbxq5RGaxJDmIrIS0Aa2Y74LycJy0eW VWfN6NrXUNfy7XhLc5XJ03wkwmUg9e5fihGFm2stCUsfrEOWeL+HZlUcSkyGvSLk2U2wlRrd4cvI f1TP+Plo7spapeu8HOwY0rxT ) ; keytag 17551 airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAbYlxpNgI/jLzr5L6lNbg8r2nypqxjXnAxgYwfKnrEb7VZ0dw13Rrel/BEh9ada4oURFypLs rviuiXBuEvWsmvr+g5SVNqFrH7dZ36xYpnfVuW2AJ1uk1IsPjHPGeDrZL/9aJaVxbu7mp4GzANEC 1GWzJxmSJxzbZWLMJmI251yv ) ; keytag 38670 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 RRSIG ( DNSKEY 8 2 172800 20260104123026 20251231115053 13009 airnow.gov. TADVmLG67eY7QcANzNr0HdtZHM2w0BY+YzfnuAj7u98QooYCS98QWDtTpAuOQBKtFPwYvlELLScR AesoPRLXAD5ubE5rHRgkmq77EbjKM2lyEhaB1w+XY7dJFULQDK1kxLzGpq8162+Qvv//FA9pwVi2 HGB1tkwUoFfv3u21lli+h5BacmZ5lG1bncMVmxNSrypF9HMGZIYiqmgeHsA4aqMCRGrilXLG1xPR w9ewKHKnZQt8+6gLKslc98+UzHrtCXYFhqugd+wY2OV0N5dfj6KAEmKEF6UhiA7fcAz4nmEN2Zjj I8W3rYW+8t8OTcVC+3kSmdxli4SKKtAqR96BZA== ) airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260104123026 20251231115053 17551 airnow.gov. pkAD8mlvpPTUINMYT7K+XTp3zILtM+ADrTbzWJ2wOttH9Lke+AOiZFxZeI+Fj9mYT41wI0BIyny1 sBRBj7dsXHRmICRkiNWiwLRZofQl8ECzJHiCIKjC5IV9oB6plPiPBJV0BHBva6NWfQuVEKQjUEF9 48ZZV+UONzklFBLOhGs= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for airnow.gov
	`airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAcwCc1H2+BwKqxfZeRqWLF9it3E+sTl6uuj9sl9CxH2WueME+AqkLsqTSdkllw5k9905mymt lyyj8eXqyJ2a4KjupAADfHTqfG/z1z9rwtVLNMncj7A4xrzypJlqBNK34NIwcgUpZMAs3AQHlENc vtRws0hVIVoIbmM0aUHXMu6T ) ; keytag 50788`
	`airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAa1O0QOKbjDFjiFX67HLmZVL6GbBAn8ts44LnCa4kvbxq5RGaxJDmIrIS0Aa2Y74LycJy0eW VWfN6NrXUNfy7XhLc5XJ03wkwmUg9e5fihGFm2stCUsfrEOWeL+HZlUcSkyGvSLk2U2wlRrd4cvI f1TP+Plo7spapeu8HOwY0rxT ) ; keytag 17551`
	`airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAbYlxpNgI/jLzr5L6lNbg8r2nypqxjXnAxgYwfKnrEb7VZ0dw13Rrel/BEh9ada4oURFypLs rviuiXBuEvWsmvr+g5SVNqFrH7dZ36xYpnfVuW2AJ1uk1IsPjHPGeDrZL/9aJaVxbu7mp4GzANEC 1GWzJxmSJxzbZWLMJmI251yv ) ; keytag 38670`
	`airnow.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAZv34belJ387LywtJMlGDsWKbw0C19UPJST6pXkAKOvb+95N+HzAnw1uzq3Mrd95HOX5pjY1 GUeXg8eU8mqzFoirgN2Kp7tOfrtVnmSoEEMPeH6iQIlOPj1Yybe/PrOG8V/RI4lMJQOpg83agbXi IMdoWpDL9gvVHEuXM4x3+fllJ7bSCxEocfAXj8nCuc2qz9fiE/m0wjC4BMfUuz2Zsx84nK4vvO7s /rXnZp0FBQ31qOzSTDllbapIYPLSt9Q8DJwJ3fcG4eKL+equjP/N23wu9/l5okm20soQCjr4LWRU iqlxbKnG7cxsLmLWRtctnXTEyoPKQnfBsqJSb1Ws3ic= ) ; keytag 13009`
	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 20260104123026 20251231115053 13009 airnow.gov. TADVmLG67eY7QcANzNr0HdtZHM2w0BY+YzfnuAj7u98QooYCS98QWDtTpAuOQBKtFPwYvlELLScR AesoPRLXAD5ubE5rHRgkmq77EbjKM2lyEhaB1w+XY7dJFULQDK1kxLzGpq8162+Qvv//FA9pwVi2 HGB1tkwUoFfv3u21lli+h5BacmZ5lG1bncMVmxNSrypF9HMGZIYiqmgeHsA4aqMCRGrilXLG1xPR w9ewKHKnZQt8+6gLKslc98+UzHrtCXYFhqugd+wY2OV0N5dfj6KAEmKEF6UhiA7fcAz4nmEN2Zjj I8W3rYW+8t8OTcVC+3kSmdxli4SKKtAqR96BZA== )`
	`airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260104123026 20251231115053 17551 airnow.gov. pkAD8mlvpPTUINMYT7K+XTp3zILtM+ADrTbzWJ2wOttH9Lke+AOiZFxZeI+Fj9mYT41wI0BIyny1 sBRBj7dsXHRmICRkiNWiwLRZofQl8ECzJHiCIKjC5IV9oB6plPiPBJV0BHBva6NWfQuVEKQjUEF9 48ZZV+UONzklFBLOhGs= )`
	RRSIG=13009 and DNSKEY=13009/SEP verifies the DNSKEY RRset
	RRSIG=17551 and DNSKEY=17551 verifies the DNSKEY RRset
	DNSKEY=50788 is now in the chain-of-trust
	DNSKEY=17551 is now in the chain-of-trust
	DNSKEY=38670 is now in the chain-of-trust
	Query to dcns1.epa.gov for airnow.gov/A
	Received 531 bytes from 161.80.212.5
	;; Response received from [161.80.212.5] 531 octets ;; HEADER SECTION ;; id = 42443 ;; 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. 2021127781 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN NSEC3 ( 1 0 10 80acb8 iu3atd8qufpfrk74cop3a8f5vnuhphnr NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20260104122138 20251231114304 17551 airnow.gov. W5NNHyiHwXNlh7X0uXQjbanrOrWDY7/Mhgl9U8kM6Z1J8ocA/3+i64xXc2X0oe3YGNoERCYgFvFR BpUhO8B0fdvmWdq+xwn0c6+dDzY2A5hUENgcLv0SVzbMBkcmSklym/trhLmcklAdh4J7UN6U3/h+ w6mZSLQxAw+Mr93M3h8= ) ;; 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 = 17853 ;; 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. 2021127781 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= ) ;; 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 = 4272 ;; 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. 2021127781 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= ) ;; 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 = 31624 ;; 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. 2021127781 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dcns1.epa.gov for airnow.gov/A
	Received 531 bytes from 161.80.212.5
	;; Response received from [161.80.212.5] 531 octets ;; HEADER SECTION ;; id = 15764 ;; 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. 2021127781 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN NSEC3 ( 1 0 10 80acb8 iu3atd8qufpfrk74cop3a8f5vnuhphnr NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20260104122138 20251231114304 17551 airnow.gov. W5NNHyiHwXNlh7X0uXQjbanrOrWDY7/Mhgl9U8kM6Z1J8ocA/3+i64xXc2X0oe3YGNoERCYgFvFR BpUhO8B0fdvmWdq+xwn0c6+dDzY2A5hUENgcLv0SVzbMBkcmSklym/trhLmcklAdh4J7UN6U3/h+ w6mZSLQxAw+Mr93M3h8= ) ;; 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 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= )`
	RRSIG=17551 and DNSKEY=17551 verifies the SOA RRset

airnow.gov

	Query to dcns2.epa.gov for airnow.gov/A
	Received 531 bytes from 161.80.212.15
	;; Response received from [161.80.212.15] 531 octets ;; HEADER SECTION ;; id = 45032 ;; 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. 2021127781 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN NSEC3 ( 1 0 10 80acb8 iu3atd8qufpfrk74cop3a8f5vnuhphnr NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20260104122138 20251231114304 17551 airnow.gov. W5NNHyiHwXNlh7X0uXQjbanrOrWDY7/Mhgl9U8kM6Z1J8ocA/3+i64xXc2X0oe3YGNoERCYgFvFR BpUhO8B0fdvmWdq+xwn0c6+dDzY2A5hUENgcLv0SVzbMBkcmSklym/trhLmcklAdh4J7UN6U3/h+ w6mZSLQxAw+Mr93M3h8= ) ;; 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 531 bytes from 161.80.212.15
	;; Response received from [161.80.212.15] 531 octets ;; HEADER SECTION ;; id = 20394 ;; 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. 2021127781 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN NSEC3 ( 1 0 10 80acb8 iu3atd8qufpfrk74cop3a8f5vnuhphnr NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20260104122138 20251231114304 17551 airnow.gov. W5NNHyiHwXNlh7X0uXQjbanrOrWDY7/Mhgl9U8kM6Z1J8ocA/3+i64xXc2X0oe3YGNoERCYgFvFR BpUhO8B0fdvmWdq+xwn0c6+dDzY2A5hUENgcLv0SVzbMBkcmSklym/trhLmcklAdh4J7UN6U3/h+ w6mZSLQxAw+Mr93M3h8= ) ;; 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 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= )`
	RRSIG=17551 and DNSKEY=17551 verifies the SOA RRset

airnow.gov

	Query to nccns1.epa.gov for airnow.gov/A
	Received 531 bytes from 134.67.12.5
	;; Response received from [134.67.12.5] 531 octets ;; HEADER SECTION ;; id = 12552 ;; 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. 2021127781 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN NSEC3 ( 1 0 10 80acb8 iu3atd8qufpfrk74cop3a8f5vnuhphnr NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20260104122138 20251231114304 17551 airnow.gov. W5NNHyiHwXNlh7X0uXQjbanrOrWDY7/Mhgl9U8kM6Z1J8ocA/3+i64xXc2X0oe3YGNoERCYgFvFR BpUhO8B0fdvmWdq+xwn0c6+dDzY2A5hUENgcLv0SVzbMBkcmSklym/trhLmcklAdh4J7UN6U3/h+ w6mZSLQxAw+Mr93M3h8= ) ;; 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 531 bytes from 134.67.12.5
	;; Response received from [134.67.12.5] 531 octets ;; HEADER SECTION ;; id = 55495 ;; 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. 2021127781 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN NSEC3 ( 1 0 10 80acb8 iu3atd8qufpfrk74cop3a8f5vnuhphnr NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20260104122138 20251231114304 17551 airnow.gov. W5NNHyiHwXNlh7X0uXQjbanrOrWDY7/Mhgl9U8kM6Z1J8ocA/3+i64xXc2X0oe3YGNoERCYgFvFR BpUhO8B0fdvmWdq+xwn0c6+dDzY2A5hUENgcLv0SVzbMBkcmSklym/trhLmcklAdh4J7UN6U3/h+ w6mZSLQxAw+Mr93M3h8= ) ;; 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 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= )`
	RRSIG=17551 and DNSKEY=17551 verifies the SOA RRset

airnow.gov

	Query to nccns2.epa.gov for airnow.gov/A
	Received 531 bytes from 134.67.12.15
	;; Response received from [134.67.12.15] 531 octets ;; HEADER SECTION ;; id = 29424 ;; 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. 2021127781 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN NSEC3 ( 1 0 10 80acb8 iu3atd8qufpfrk74cop3a8f5vnuhphnr NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20260104122138 20251231114304 17551 airnow.gov. W5NNHyiHwXNlh7X0uXQjbanrOrWDY7/Mhgl9U8kM6Z1J8ocA/3+i64xXc2X0oe3YGNoERCYgFvFR BpUhO8B0fdvmWdq+xwn0c6+dDzY2A5hUENgcLv0SVzbMBkcmSklym/trhLmcklAdh4J7UN6U3/h+ w6mZSLQxAw+Mr93M3h8= ) ;; 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 531 bytes from 134.67.12.15
	;; Response received from [134.67.12.15] 531 octets ;; HEADER SECTION ;; id = 2565 ;; 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. 2021127781 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 900 IN RRSIG ( SOA 8 2 3600 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN NSEC3 ( 1 0 10 80acb8 iu3atd8qufpfrk74cop3a8f5vnuhphnr NS SOA TXT RRSIG DNSKEY NSEC3PARAM ) IOQBFEFRE32AQ0F0U4K66SJ64LB3JIFL.airnow.gov. 900 IN RRSIG ( NSEC3 8 3 900 20260104122138 20251231114304 17551 airnow.gov. W5NNHyiHwXNlh7X0uXQjbanrOrWDY7/Mhgl9U8kM6Z1J8ocA/3+i64xXc2X0oe3YGNoERCYgFvFR BpUhO8B0fdvmWdq+xwn0c6+dDzY2A5hUENgcLv0SVzbMBkcmSklym/trhLmcklAdh4J7UN6U3/h+ w6mZSLQxAw+Mr93M3h8= ) ;; 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 20260104125053 20251231115053 17551 airnow.gov. jpuncRUPqoD7jwcTq9jnjf1cjqglqgMxtbjS6N18L/sW2y/D6hw7Oeyt4t6oGm9OmMIynT70G028 +a/jQbe27ZXAgm+09G0ay5BvSx8KQ/yM6Gh9NgLWGjDjRGS0eSV8MbCfOf6Hol9bcqwJFx6BgPkc wqwEwo0rmAxtCWCj4Ec= )`
	RRSIG=17551 and DNSKEY=17551 verifies the SOA RRset

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