DNSSEC Analyzer - airnow.gov

Domain Name:

Time: 2022-07-03 14:17:39 UTC, NTP stratum 16

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 m.root-servers.net for ./DNSKEY
	Received 1141 bytes from 202.12.27.33
	;; Response received from 202.12.27.33 (1141 octets) ;; HEADER SECTION ;; id = 9938 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 4 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; Key ID = 20326 . 172800 IN DNSKEY ( 256 3 8 AwEAAaQVKIqdmeLCaF4lq+IoKpejId9qqoIbZJ6cjB5MfyJYX3KVFXYyJ9rt4jKOwf4m2BoDOY66 V1upRumF+eu502HXzdOdJlioRLA9YiRyLgvfjzyfUYrExYT4/TDTS4XfQX2UcJDN5C7SQ9UxebZk /VjQfPAUU+hZKOcjOVRFbAHom4tIi+Rin0laGlAi8ZY5WUZypYKR0xvprtG0eXeOBMjbUt1EnhmO 2Bs52zC8B0cMjq6fMiYFUqtziALccsQczGngIDR0dIvvL54ky1JNNp19Ldy9ir27s7eRCYGbYI1W zR05/d4/nCmDSHkQS2BiesYufuWZZwm+FsitupCciwE= ) ; Key ID = 20826 . 172800 IN DNSKEY ( 256 3 8 AwEAAak/ZU9wDNQD7XTAGTDkn32UR8I6auRDekbGky+yyWKdUHmwAJv90YHCUTib8aVBgNgbxkee ZGRx3W4+XhMZbfUr5fMwmD3u9P2yzJpbRtjGNM/XZvzGs9HHNymz3Bp851anHZfNy6pJud265/XM KzFlAY8sMJjum0hvx/DuCDELLyhsvdfOD9rHM93UXO0bcAjvI8tjZsGI+Pfp9KdxF9vS/sAzpFXK sldix+e6xv8rRS6WPg2LAooxF+eO5DgFSilYmnyCK4VPJ7ntjD/8m0bs128ZT1eY3oXCbojDv59l LAgrdGSbcVxQF2KHoUHDmkOC5BzG/1xRtW4v/3y4/H8= ) ; Key ID = 47671 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20220722000000 20220701000000 20326 . UJgbj1GrmV4k6PQ8B2ZiwmYzhxvnYApuDVr278iu3U+uqpDs4JHQJCcs2xC2YJaZ1q2rBr9buUhe Tp+MDElUEk64Y2Xi9cSpbkQLMKEV+wUtHSDQKqbl5DHvtGqjgRF9844KZHYjCZ8bUHW7m6IQmC3Z aepHTykLoU6ZulGhfhJ0zLjTkwHA8SoQhqU20GUOy3j/fJz0HsnKxo9ZAkY0OF9DPOee099XpYfg H9i0uBQDWQ0IBSLd+dYW321FHr+hvPSKmtKQ6Z1EQPgWCcQYmhrOWrpVRhg3yCSHAmHEQhF1gVRc BBVMaiV5snYlQEVVsePg0/LUZk8ezsGhwHbH6A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; Key ID = 20326`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAaQVKIqdmeLCaF4lq+IoKpejId9qqoIbZJ6cjB5MfyJYX3KVFXYyJ9rt4jKOwf4m2BoDOY66 V1upRumF+eu502HXzdOdJlioRLA9YiRyLgvfjzyfUYrExYT4/TDTS4XfQX2UcJDN5C7SQ9UxebZk /VjQfPAUU+hZKOcjOVRFbAHom4tIi+Rin0laGlAi8ZY5WUZypYKR0xvprtG0eXeOBMjbUt1EnhmO 2Bs52zC8B0cMjq6fMiYFUqtziALccsQczGngIDR0dIvvL54ky1JNNp19Ldy9ir27s7eRCYGbYI1W zR05/d4/nCmDSHkQS2BiesYufuWZZwm+FsitupCciwE= ) ; Key ID = 20826`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAak/ZU9wDNQD7XTAGTDkn32UR8I6auRDekbGky+yyWKdUHmwAJv90YHCUTib8aVBgNgbxkee ZGRx3W4+XhMZbfUr5fMwmD3u9P2yzJpbRtjGNM/XZvzGs9HHNymz3Bp851anHZfNy6pJud265/XM KzFlAY8sMJjum0hvx/DuCDELLyhsvdfOD9rHM93UXO0bcAjvI8tjZsGI+Pfp9KdxF9vS/sAzpFXK sldix+e6xv8rRS6WPg2LAooxF+eO5DgFSilYmnyCK4VPJ7ntjD/8m0bs128ZT1eY3oXCbojDv59l LAgrdGSbcVxQF2KHoUHDmkOC5BzG/1xRtW4v/3y4/H8= ) ; Key ID = 47671`
	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 20220722000000 20220701000000 20326 . UJgbj1GrmV4k6PQ8B2ZiwmYzhxvnYApuDVr278iu3U+uqpDs4JHQJCcs2xC2YJaZ1q2rBr9buUhe Tp+MDElUEk64Y2Xi9cSpbkQLMKEV+wUtHSDQKqbl5DHvtGqjgRF9844KZHYjCZ8bUHW7m6IQmC3Z aepHTykLoU6ZulGhfhJ0zLjTkwHA8SoQhqU20GUOy3j/fJz0HsnKxo9ZAkY0OF9DPOee099XpYfg H9i0uBQDWQ0IBSLd+dYW321FHr+hvPSKmtKQ6Z1EQPgWCcQYmhrOWrpVRhg3yCSHAmHEQhF1gVRc BBVMaiV5snYlQEVVsePg0/LUZk8ezsGhwHbH6A== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=20826 is now in the chain-of-trust
	DNSKEY=47671 is now in the chain-of-trust
	Query to i.root-servers.net for airnow.gov/A
	Received 629 bytes from 192.36.148.17
	;; Response received from 192.36.148.17 (629 octets) ;; HEADER SECTION ;; id = 37169 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 9 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS d.gov-servers.net. gov. 172800 IN NS c.gov-servers.net. gov. 172800 IN NS a.gov-servers.net. gov. 172800 IN NS b.gov-servers.net. gov. 86400 IN DS ( 7698 8 2 6bc949e638442ead0bdaf0935763c8d003760384ff15ebbd5ce86bb5559561f0 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20220716050000 20220703040000 20826 . dJRm3uGo3+Px+o6AI0dCsCC0uVXzVe0+d8+rg4LD1eDSFCS9Ay+W9F3VVW2qzQSYT7InEbB5JQso 2ezFVOdN1J+MpBOe7hvr4CxOiUFAlwCVicXsXfA9HTXA2W1beb8tBu8Dhkcnx4liKh8ikrmZWNKy 3TZ2lgZl5/COYP7T4jzWsvaqcZ5elkJPKAOqj551HGmDYVSXvXt3zS30SVrYO5NXq+GZoROYBqpD kUuRzrYCXdgRjbruDUKOG1+nkt0KRzMzCcjUAmoO70rlZHb6wE08QrcajUgxD93K6QFu67iZMxYR l9QtbolWxDRkb81PSIby0zLXk5N5CZiv8CMztw== ) ;; ADDITIONAL SECTION (9 records) d.gov-servers.net. 172800 IN A 81.19.194.30 c.gov-servers.net. 172800 IN A 69.36.153.30 b.gov-servers.net. 172800 IN A 209.112.123.30 a.gov-servers.net. 172800 IN A 69.36.157.30 d.gov-servers.net. 172800 IN AAAA 2620:74:29::2:30 c.gov-servers.net. 172800 IN AAAA 2620:74:28::2:30 b.gov-servers.net. 172800 IN AAAA 2620:74:27::2:30 a.gov-servers.net. 172800 IN AAAA 2001:500:4431::2:30 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Query to j.root-servers.net for gov/DNSKEY
	Received 622 bytes from 192.58.128.30
	;; Response received from 192.58.128.30 (622 octets) ;; HEADER SECTION ;; id = 21865 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 9 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS b.gov-servers.net. gov. 172800 IN NS c.gov-servers.net. gov. 172800 IN NS a.gov-servers.net. gov. 172800 IN NS d.gov-servers.net. gov. 86400 IN DS ( 7698 8 2 6bc949e638442ead0bdaf0935763c8d003760384ff15ebbd5ce86bb5559561f0 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20220716050000 20220703040000 20826 . dJRm3uGo3+Px+o6AI0dCsCC0uVXzVe0+d8+rg4LD1eDSFCS9Ay+W9F3VVW2qzQSYT7InEbB5JQso 2ezFVOdN1J+MpBOe7hvr4CxOiUFAlwCVicXsXfA9HTXA2W1beb8tBu8Dhkcnx4liKh8ikrmZWNKy 3TZ2lgZl5/COYP7T4jzWsvaqcZ5elkJPKAOqj551HGmDYVSXvXt3zS30SVrYO5NXq+GZoROYBqpD kUuRzrYCXdgRjbruDUKOG1+nkt0KRzMzCcjUAmoO70rlZHb6wE08QrcajUgxD93K6QFu67iZMxYR l9QtbolWxDRkb81PSIby0zLXk5N5CZiv8CMztw== ) ;; ADDITIONAL SECTION (9 records) b.gov-servers.net. 172800 IN A 209.112.123.30 b.gov-servers.net. 172800 IN AAAA 2620:74:27::2:30 c.gov-servers.net. 172800 IN A 69.36.153.30 c.gov-servers.net. 172800 IN AAAA 2620:74:28::2:30 a.gov-servers.net. 172800 IN A 69.36.157.30 a.gov-servers.net. 172800 IN AAAA 2001:500:4431::2:30 d.gov-servers.net. 172800 IN A 81.19.194.30 d.gov-servers.net. 172800 IN AAAA 2620:74:29::2:30 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	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 = 13078 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1472 ;; option: ;; QUESTION SECTION (1 record) ;; gov. IN DS ;; ANSWER SECTION (2 records) gov. 86400 IN DS ( 7698 8 2 6bc949e638442ead0bdaf0935763c8d003760384ff15ebbd5ce86bb5559561f0 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20220716050000 20220703040000 20826 . dJRm3uGo3+Px+o6AI0dCsCC0uVXzVe0+d8+rg4LD1eDSFCS9Ay+W9F3VVW2qzQSYT7InEbB5JQso 2ezFVOdN1J+MpBOe7hvr4CxOiUFAlwCVicXsXfA9HTXA2W1beb8tBu8Dhkcnx4liKh8ikrmZWNKy 3TZ2lgZl5/COYP7T4jzWsvaqcZ5elkJPKAOqj551HGmDYVSXvXt3zS30SVrYO5NXq+GZoROYBqpD kUuRzrYCXdgRjbruDUKOG1+nkt0KRzMzCcjUAmoO70rlZHb6wE08QrcajUgxD93K6QFu67iZMxYR l9QtbolWxDRkb81PSIby0zLXk5N5CZiv8CMztw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1472 ;; option:
	Found 1 DS records for gov in the . zone
	DS=7698/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`gov. 86400 IN RRSIG ( DS 8 1 86400 20220716050000 20220703040000 20826 . dJRm3uGo3+Px+o6AI0dCsCC0uVXzVe0+d8+rg4LD1eDSFCS9Ay+W9F3VVW2qzQSYT7InEbB5JQso 2ezFVOdN1J+MpBOe7hvr4CxOiUFAlwCVicXsXfA9HTXA2W1beb8tBu8Dhkcnx4liKh8ikrmZWNKy 3TZ2lgZl5/COYP7T4jzWsvaqcZ5elkJPKAOqj551HGmDYVSXvXt3zS30SVrYO5NXq+GZoROYBqpD kUuRzrYCXdgRjbruDUKOG1+nkt0KRzMzCcjUAmoO70rlZHb6wE08QrcajUgxD93K6QFu67iZMxYR l9QtbolWxDRkb81PSIby0zLXk5N5CZiv8CMztw== )`
	RRSIG=20826 and DNSKEY=20826 verifies the DS RRset
	DS=7698/SHA-256 is now in the chain-of-trust
	`gov. 86400 IN DS ( 7698 8 2 6bc949e638442ead0bdaf0935763c8d003760384ff15ebbd5ce86bb5559561f0 )`
	Query to d.gov-servers.net for gov/DNSKEY
	Received 777 bytes from 81.19.194.30
	;; Response received from 81.19.194.30 (777 octets) ;; HEADER SECTION ;; id = 2481 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 3 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (3 records) gov. 86400 IN DNSKEY ( 257 3 8 AQO8daaz7B+yshOfL60rytKd9aOSujgponEw3fwBMEC3/+e9XzHw2k+VKnbJTZ+QaVtpfUd1q9HK ZIv/ck83Gl5TjYKE5jtUZ2kpEDZfVNGv6yx0smtWAXv1nCJS9ohnyOTd397eMojGDHqkEC+uojES cZheEkMxzgCZwDAs+/CSU7mSuHtCRZn19xlZUd5Gv7yDQ3mbOUwuy30oSk0z1Q5UUPpoihOugIZH FX6Jk7NLiW2wlqfq9qhV4zj7TiBiJY0mCc4zHN8/aq2VKDHp2Na7mWzvKyTy+SYQkBQ/08LbPwj9 YMc+uCzKL6sU/ObHv17EFhD8aPDftTHZvV9L+OZr ) ; Key ID = 7698 gov. 86400 IN DNSKEY ( 256 3 8 AwEAAcMiSRWS8eP1lhmsxCp/xRqF4ywBpC8OZ8SlW3boQwaSUol5jFtTpTTM8uKNyNrI/6Vc1crn QWCCPAv+mZGHzMgDkpD3JpW4UhVvI8AkNvoT/LTxCmhC6nZUOTv7Njg+yBVLm4bMw9EaH18N+HVl uhHX1ZOjhnY7uBf1DC32L4ibJvgjiREljTH622fsAXwf9hTE2UdQ/P3SDNrooKswmWE= ) ; Key ID = 2706 gov. 86400 IN RRSIG ( DNSKEY 8 1 86400 20220713190254 20220628185754 7698 gov. nhbxgOSm4t7mrDuun+QvTNrGLD8ZQ7Bi3N2Y5FDGVPUHTTtKGWw1diH+kMxepKn3D7cZsCQMosHr GovJdXdVERJCwhZxfAMa9UAdU/YIKyqH0fPTnpVcSv8JEsY7rj3pfoVxkEtO7IJpvtSU/FYvMtik 9O87O7VAeqmhxKgjurzmxTfQ3qthzDNEvPUzgyZNJi9LkX4tiAFVoaaHrcIeQtpdPcWAEGpBXBde yGVbcarWSTk92KzcjbHrGYpPkHA8vVlTnKjS9rZevmGv1lPMjCtpjlrxVvyRZTKV6Rw7JK0y8XrD /tezpUk6HQlLAd4BVYQ0Xc4iQ6Cpu8dJfYDPFA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Found 2 DNSKEY records for gov
	`gov. 86400 IN DNSKEY ( 257 3 8 AQO8daaz7B+yshOfL60rytKd9aOSujgponEw3fwBMEC3/+e9XzHw2k+VKnbJTZ+QaVtpfUd1q9HK ZIv/ck83Gl5TjYKE5jtUZ2kpEDZfVNGv6yx0smtWAXv1nCJS9ohnyOTd397eMojGDHqkEC+uojES cZheEkMxzgCZwDAs+/CSU7mSuHtCRZn19xlZUd5Gv7yDQ3mbOUwuy30oSk0z1Q5UUPpoihOugIZH FX6Jk7NLiW2wlqfq9qhV4zj7TiBiJY0mCc4zHN8/aq2VKDHp2Na7mWzvKyTy+SYQkBQ/08LbPwj9 YMc+uCzKL6sU/ObHv17EFhD8aPDftTHZvV9L+OZr ) ; Key ID = 7698`
	`gov. 86400 IN DNSKEY ( 256 3 8 AwEAAcMiSRWS8eP1lhmsxCp/xRqF4ywBpC8OZ8SlW3boQwaSUol5jFtTpTTM8uKNyNrI/6Vc1crn QWCCPAv+mZGHzMgDkpD3JpW4UhVvI8AkNvoT/LTxCmhC6nZUOTv7Njg+yBVLm4bMw9EaH18N+HVl uhHX1ZOjhnY7uBf1DC32L4ibJvgjiREljTH622fsAXwf9hTE2UdQ/P3SDNrooKswmWE= ) ; Key ID = 2706`
	DNSKEY=7698/SEP is now in the chain-of-trust
	DS=7698/SHA-256 verifies DNSKEY=7698/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`gov. 86400 IN RRSIG ( DNSKEY 8 1 86400 20220713190254 20220628185754 7698 gov. nhbxgOSm4t7mrDuun+QvTNrGLD8ZQ7Bi3N2Y5FDGVPUHTTtKGWw1diH+kMxepKn3D7cZsCQMosHr GovJdXdVERJCwhZxfAMa9UAdU/YIKyqH0fPTnpVcSv8JEsY7rj3pfoVxkEtO7IJpvtSU/FYvMtik 9O87O7VAeqmhxKgjurzmxTfQ3qthzDNEvPUzgyZNJi9LkX4tiAFVoaaHrcIeQtpdPcWAEGpBXBde yGVbcarWSTk92KzcjbHrGYpPkHA8vVlTnKjS9rZevmGv1lPMjCtpjlrxVvyRZTKV6Rw7JK0y8XrD /tezpUk6HQlLAd4BVYQ0Xc4iQ6Cpu8dJfYDPFA== )`
	RRSIG=7698 and DNSKEY=7698/SEP verifies the DNSKEY RRset
	DNSKEY=2706 is now in the chain-of-trust
	Query to c.gov-servers.net for airnow.gov/A
	Received 544 bytes from 69.36.153.30
	;; Response received from 69.36.153.30 (544 octets) ;; HEADER SECTION ;; id = 46249 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 9 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) airnow.gov. 86400 IN NS dcns1.epa.gov. airnow.gov. 86400 IN NS nccns1.epa.gov. airnow.gov. 86400 IN NS dcns2.epa.gov. airnow.gov. 86400 IN NS nccns2.epa.gov. airnow.gov. 3600 IN DS ( 8902 8 2 428ccd2dda993363c63a35bacb2721656097458a0603643c3c1f0da37df3322e ) airnow.gov. 3600 IN RRSIG ( DS 8 2 3600 20220710094136 20220703094136 2706 gov. pcA5/go8B6ZlQV1DhskxP8SoFhNDhSQymPF3/6Ik6WwXyhwOVVv1MwSfOMRNJsthspH34PVwjqfr dT0FXkuWKwRw2nI5kfDGclm9Jw859Q9Vib5VoMQcbHOXjHbxz+VvNFzHsyOff2jEF8yC01SPKzz+ 7j5wcLss/zPOhZVSWvl0BhPIG1BKfw2zRyIr3yoTpQTRHb/ojBZzASh+YJK0Hw== ) ;; ADDITIONAL SECTION (9 records) nccns1.epa.gov. 86400 IN A 134.67.12.5 nccns2.epa.gov. 86400 IN A 134.67.12.15 dcns1.epa.gov. 86400 IN A 161.80.212.5 dcns2.epa.gov. 86400 IN A 161.80.212.15 nccns1.epa.gov. 86400 IN AAAA 2620:117:506f:c::f005 nccns2.epa.gov. 86400 IN AAAA 2620:117:506f:c::f00f dcns1.epa.gov. 86400 IN AAAA 2620:117:5071:d4::f005 dcns2.epa.gov. 86400 IN AAAA 2620:117:5071:d4::f00f ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Query to b.gov-servers.net for airnow.gov/DNSKEY
	Received 544 bytes from 209.112.123.30
	;; Response received from 209.112.123.30 (544 octets) ;; HEADER SECTION ;; id = 49574 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 9 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) airnow.gov. 86400 IN NS dcns1.epa.gov. airnow.gov. 86400 IN NS nccns1.epa.gov. airnow.gov. 86400 IN NS dcns2.epa.gov. airnow.gov. 86400 IN NS nccns2.epa.gov. airnow.gov. 3600 IN DS ( 8902 8 2 428ccd2dda993363c63a35bacb2721656097458a0603643c3c1f0da37df3322e ) airnow.gov. 3600 IN RRSIG ( DS 8 2 3600 20220710094136 20220703094136 2706 gov. pcA5/go8B6ZlQV1DhskxP8SoFhNDhSQymPF3/6Ik6WwXyhwOVVv1MwSfOMRNJsthspH34PVwjqfr dT0FXkuWKwRw2nI5kfDGclm9Jw859Q9Vib5VoMQcbHOXjHbxz+VvNFzHsyOff2jEF8yC01SPKzz+ 7j5wcLss/zPOhZVSWvl0BhPIG1BKfw2zRyIr3yoTpQTRHb/ojBZzASh+YJK0Hw== ) ;; ADDITIONAL SECTION (9 records) nccns1.epa.gov. 86400 IN A 134.67.12.5 nccns2.epa.gov. 86400 IN A 134.67.12.15 dcns1.epa.gov. 86400 IN A 161.80.212.5 dcns2.epa.gov. 86400 IN A 161.80.212.15 nccns1.epa.gov. 86400 IN AAAA 2620:117:506f:c::f005 nccns2.epa.gov. 86400 IN AAAA 2620:117:506f:c::f00f dcns1.epa.gov. 86400 IN AAAA 2620:117:5071:d4::f005 dcns2.epa.gov. 86400 IN AAAA 2620:117:5071:d4::f00f ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Found child zone airnow.gov

airnow.gov

	Checking DS between gov and airnow.gov
	Query to a.gov-servers.net for airnow.gov/DS
	Received 282 bytes from 69.36.157.30
	;; Response received from 69.36.157.30 (282 octets) ;; HEADER SECTION ;; id = 33780 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN DS ;; ANSWER SECTION (2 records) airnow.gov. 3600 IN DS ( 8902 8 2 428ccd2dda993363c63a35bacb2721656097458a0603643c3c1f0da37df3322e ) airnow.gov. 3600 IN RRSIG ( DS 8 2 3600 20220710094136 20220703094136 2706 gov. pcA5/go8B6ZlQV1DhskxP8SoFhNDhSQymPF3/6Ik6WwXyhwOVVv1MwSfOMRNJsthspH34PVwjqfr dT0FXkuWKwRw2nI5kfDGclm9Jw859Q9Vib5VoMQcbHOXjHbxz+VvNFzHsyOff2jEF8yC01SPKzz+ 7j5wcLss/zPOhZVSWvl0BhPIG1BKfw2zRyIr3yoTpQTRHb/ojBZzASh+YJK0Hw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Found 1 DS records for airnow.gov in the gov zone
	DS=8902/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`airnow.gov. 3600 IN RRSIG ( DS 8 2 3600 20220710094136 20220703094136 2706 gov. pcA5/go8B6ZlQV1DhskxP8SoFhNDhSQymPF3/6Ik6WwXyhwOVVv1MwSfOMRNJsthspH34PVwjqfr dT0FXkuWKwRw2nI5kfDGclm9Jw859Q9Vib5VoMQcbHOXjHbxz+VvNFzHsyOff2jEF8yC01SPKzz+ 7j5wcLss/zPOhZVSWvl0BhPIG1BKfw2zRyIr3yoTpQTRHb/ojBZzASh+YJK0Hw== )`
	RRSIG=2706 and DNSKEY=2706 verifies the DS RRset
	DS=8902/SHA-256 is now in the chain-of-trust
	`airnow.gov. 3600 IN DS ( 8902 8 2 428ccd2dda993363c63a35bacb2721656097458a0603643c3c1f0da37df3322e )`
	Query to dcns2.epa.gov for airnow.gov/DNSKEY
	Received 1079 bytes from 161.80.212.15
	;; Response received from 161.80.212.15 (1079 octets) ;; HEADER SECTION ;; id = 47769 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 5 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN DNSKEY ;; ANSWER SECTION (5 records) airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAaoFFeFkOHTAxDb5ypkS2Srgoyc4RykTIqfL327bqIpVThIYluyRE1ayrztqUnSWxEFA8pVG 9A7vu653X6Cf/ujU6qn+F8vdXG/WisTeShOPSR9J4ltuowxxTMntZYcuy20klRTw01CG8envKR6w J1s54D2LV10AgC0fco4pWbjL ) ; Key ID = 14106 airnow.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAeUfeedTKwr+J6gDPhSDYaKPBcqABDzYnu9g7olf8gLA9W/5UAyTXK7QfSANttOeW1SXyu4i B+7fLvC8MuNaQV75mgB0HTvAnzBzKaPtT78RVVta0lKKaycWe8lC2GfBfcSxoBIazWZX7tUFK4NY 9OeVbwF+1LV3OvNw1MIGUPXyd63kSPFYsfq7Ogji9L/X4AA61cGACRkTMIylnc0Lw3gCOBoXFon0 SxIvyu4qD+4htrmxUe8Q8jWe5qVnC69zso8W2QJ2xbHNcyTU4nbuRiXceYjf9q+6lnGefQjXRwDW 0xW9AjOnl6wBLG0E5n5gX1+aMhuEMQDPJJDW64vb+B0= ) ; Key ID = 8902 airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAdxB0XdQ0HAUiVv5NDqAV8NXTpMi+KHHJeEzUNtvo8AYXeqQvI63DqqXOJ9YoeGZwbuqg7RB 06b1Y+sRxYWV33y5kz8hmzYQ3gI4MgS2M3mxqnM6ak+5jwyxIsFkOfmdaPN3QCFCfwaK6+7foC/h aACKnAOjj1OZzCIqid1F61yT ) ; Key ID = 37914 airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20220706161135 20220702153747 8902 airnow.gov. BpQm16mwTUK3TagMI6/JA+gf4yufACcHIbIBG5TkVnwPbqkRgvZYgxDBWMUuv5If4TQ8M7l3rTrf Gj7/nvqgoN7XUCrZK8tPMHL1lhHjGyn1ZaZt6k0/1o9XuF7a2K726cAf06olYbdtQMFpsPlFiBys hQusZ0mPx9VllkTLgDWXrbGz749wqJlYltaIW3qDwVIx0DasSQ/wtdphFABtXfpGpyYtYr3wCoAT gMRuQOQN7tfDODmiTTtty/lP76Rr3fUnZAAPWrpWa/MSZQNxsjCmwm+UzPc3m2AYES+vKf3ttsCD i1+tbuaKzGRpH+Ercrhn6xujfKC4Bbjc+/c4YQ== ) airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20220706161135 20220702153747 14106 airnow.gov. UFkEjG5ZPlH7bjqeuqRBminodoOYf+DTbYOmMu/gAHxqV4+/GDrgIssyLHEke1AD/SWn5xV2zj5j mXisixgcdRP/toXh3GTybpF7Sem4LdjsAWuSRTmKP5jnXeXlRIcqLJZfM340R9/68I1IMs4A4x2D TTeHwOlp0Buj5Z8xe6s= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	Found 3 DNSKEY records for airnow.gov
	`airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAaoFFeFkOHTAxDb5ypkS2Srgoyc4RykTIqfL327bqIpVThIYluyRE1ayrztqUnSWxEFA8pVG 9A7vu653X6Cf/ujU6qn+F8vdXG/WisTeShOPSR9J4ltuowxxTMntZYcuy20klRTw01CG8envKR6w J1s54D2LV10AgC0fco4pWbjL ) ; Key ID = 14106`
	`airnow.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAeUfeedTKwr+J6gDPhSDYaKPBcqABDzYnu9g7olf8gLA9W/5UAyTXK7QfSANttOeW1SXyu4i B+7fLvC8MuNaQV75mgB0HTvAnzBzKaPtT78RVVta0lKKaycWe8lC2GfBfcSxoBIazWZX7tUFK4NY 9OeVbwF+1LV3OvNw1MIGUPXyd63kSPFYsfq7Ogji9L/X4AA61cGACRkTMIylnc0Lw3gCOBoXFon0 SxIvyu4qD+4htrmxUe8Q8jWe5qVnC69zso8W2QJ2xbHNcyTU4nbuRiXceYjf9q+6lnGefQjXRwDW 0xW9AjOnl6wBLG0E5n5gX1+aMhuEMQDPJJDW64vb+B0= ) ; Key ID = 8902`
	`airnow.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAdxB0XdQ0HAUiVv5NDqAV8NXTpMi+KHHJeEzUNtvo8AYXeqQvI63DqqXOJ9YoeGZwbuqg7RB 06b1Y+sRxYWV33y5kz8hmzYQ3gI4MgS2M3mxqnM6ak+5jwyxIsFkOfmdaPN3QCFCfwaK6+7foC/h aACKnAOjj1OZzCIqid1F61yT ) ; Key ID = 37914`
	DNSKEY=8902/SEP is now in the chain-of-trust
	DS=8902/SHA-256 verifies DNSKEY=8902/SEP
	Found 2 RRSIGs over DNSKEY RRset
	`airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20220706161135 20220702153747 8902 airnow.gov. BpQm16mwTUK3TagMI6/JA+gf4yufACcHIbIBG5TkVnwPbqkRgvZYgxDBWMUuv5If4TQ8M7l3rTrf Gj7/nvqgoN7XUCrZK8tPMHL1lhHjGyn1ZaZt6k0/1o9XuF7a2K726cAf06olYbdtQMFpsPlFiBys hQusZ0mPx9VllkTLgDWXrbGz749wqJlYltaIW3qDwVIx0DasSQ/wtdphFABtXfpGpyYtYr3wCoAT gMRuQOQN7tfDODmiTTtty/lP76Rr3fUnZAAPWrpWa/MSZQNxsjCmwm+UzPc3m2AYES+vKf3ttsCD i1+tbuaKzGRpH+Ercrhn6xujfKC4Bbjc+/c4YQ== )`
	`airnow.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20220706161135 20220702153747 14106 airnow.gov. UFkEjG5ZPlH7bjqeuqRBminodoOYf+DTbYOmMu/gAHxqV4+/GDrgIssyLHEke1AD/SWn5xV2zj5j mXisixgcdRP/toXh3GTybpF7Sem4LdjsAWuSRTmKP5jnXeXlRIcqLJZfM340R9/68I1IMs4A4x2D TTeHwOlp0Buj5Z8xe6s= )`
	RRSIG=8902 and DNSKEY=8902/SEP verifies the DNSKEY RRset
	RRSIG=14106 and DNSKEY=14106 verifies the DNSKEY RRset
	DNSKEY=14106 is now in the chain-of-trust
	DNSKEY=37914 is now in the chain-of-trust
	Query to nccns1.epa.gov for airnow.gov/A
	Received 225 bytes from 134.67.12.5
	;; Response received from 134.67.12.5 (225 octets) ;; HEADER SECTION ;; id = 30981 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN A ;; ANSWER SECTION (2 records) airnow.gov. 600 IN A 134.67.21.55 airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	nccns1.epa.gov is authoritative for airnow.gov
	Found RRSIG signed by airnow.gov zone
	Query to dcns2.epa.gov for airnow.gov/SOA
	Received 268 bytes from 161.80.212.15
	;; Response received from 161.80.212.15 (268 octets) ;; HEADER SECTION ;; id = 25454 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN SOA ;; ANSWER SECTION (2 records) airnow.gov. 3600 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021121633 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20220707085803 20220703075803 14106 airnow.gov. CHOSgB8fIBIM1kWLhWyKbSPOvOvirJkie2Kw0ULBrM1lq/K4Hw83D7rl1+afcmqd/gJh2Q/zhKxy 6K3GO0zzqIj7ycQF4SZR7X8GZYWMqwsXw9Oj8AZqQp+wM2wg9MokdmmhjvS4XXVWcHoyt+YtFWIK pxvVs6wrei1r2BTIjNc= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	Query to nccns2.epa.gov for airnow.gov/SOA
	Received 268 bytes from 134.67.12.15
	;; Response received from 134.67.12.15 (268 octets) ;; HEADER SECTION ;; id = 1720 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN SOA ;; ANSWER SECTION (2 records) airnow.gov. 3600 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021121633 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20220707085803 20220703075803 14106 airnow.gov. CHOSgB8fIBIM1kWLhWyKbSPOvOvirJkie2Kw0ULBrM1lq/K4Hw83D7rl1+afcmqd/gJh2Q/zhKxy 6K3GO0zzqIj7ycQF4SZR7X8GZYWMqwsXw9Oj8AZqQp+wM2wg9MokdmmhjvS4XXVWcHoyt+YtFWIK pxvVs6wrei1r2BTIjNc= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	Query to dcns1.epa.gov for airnow.gov/SOA
	Received 268 bytes from 161.80.212.5
	;; Response received from 161.80.212.5 (268 octets) ;; HEADER SECTION ;; id = 48945 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN SOA ;; ANSWER SECTION (2 records) airnow.gov. 3600 IN SOA ( rtpgm.ddi.epa.gov. dnsadmin.epa.gov. 2021121633 ;serial 10800 ;refresh 1080 ;retry 2419200 ;expire 900 ;minimum ) airnow.gov. 3600 IN RRSIG ( SOA 8 2 3600 20220707085803 20220703075803 14106 airnow.gov. CHOSgB8fIBIM1kWLhWyKbSPOvOvirJkie2Kw0ULBrM1lq/K4Hw83D7rl1+afcmqd/gJh2Q/zhKxy 6K3GO0zzqIj7ycQF4SZR7X8GZYWMqwsXw9Oj8AZqQp+wM2wg9MokdmmhjvS4XXVWcHoyt+YtFWIK pxvVs6wrei1r2BTIjNc= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	Query to nccns1.epa.gov for airnow.gov/A
	Received 225 bytes from 134.67.12.5
	;; Response received from 134.67.12.5 (225 octets) ;; HEADER SECTION ;; id = 794 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN A ;; ANSWER SECTION (2 records) airnow.gov. 600 IN A 134.67.21.55 airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	airnow.gov A RR has value 134.67.21.55
	Found 1 RRSIGs over A RRset
	`airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= )`
	RRSIG=14106 and DNSKEY=14106 verifies the A RRset

airnow.gov

	Query to dcns1.epa.gov for airnow.gov/A
	Received 225 bytes from 161.80.212.5
	;; Response received from 161.80.212.5 (225 octets) ;; HEADER SECTION ;; id = 58329 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN A ;; ANSWER SECTION (2 records) airnow.gov. 600 IN A 134.67.21.55 airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	dcns1.epa.gov is authoritative for airnow.gov
	Found RRSIG signed by airnow.gov zone
	Query to dcns1.epa.gov for airnow.gov/A
	Received 225 bytes from 161.80.212.5
	;; Response received from 161.80.212.5 (225 octets) ;; HEADER SECTION ;; id = 38359 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN A ;; ANSWER SECTION (2 records) airnow.gov. 600 IN A 134.67.21.55 airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	airnow.gov A RR has value 134.67.21.55
	Found 1 RRSIGs over A RRset
	`airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= )`
	RRSIG=14106 and DNSKEY=14106 verifies the A RRset

airnow.gov

	Query to dcns2.epa.gov for airnow.gov/A
	Received 225 bytes from 161.80.212.15
	;; Response received from 161.80.212.15 (225 octets) ;; HEADER SECTION ;; id = 14568 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN A ;; ANSWER SECTION (2 records) airnow.gov. 600 IN A 134.67.21.55 airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	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 225 bytes from 161.80.212.15
	;; Response received from 161.80.212.15 (225 octets) ;; HEADER SECTION ;; id = 41815 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN A ;; ANSWER SECTION (2 records) airnow.gov. 600 IN A 134.67.21.55 airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	airnow.gov A RR has value 134.67.21.55
	Found 1 RRSIGs over A RRset
	`airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= )`
	RRSIG=14106 and DNSKEY=14106 verifies the A RRset

airnow.gov

	Query to nccns2.epa.gov for airnow.gov/A
	Received 225 bytes from 134.67.12.15
	;; Response received from 134.67.12.15 (225 octets) ;; HEADER SECTION ;; id = 27536 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN A ;; ANSWER SECTION (2 records) airnow.gov. 600 IN A 134.67.21.55 airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	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 225 bytes from 134.67.12.15
	;; Response received from 134.67.12.15 (225 octets) ;; HEADER SECTION ;; id = 62401 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; airnow.gov. IN A ;; ANSWER SECTION (2 records) airnow.gov. 600 IN A 134.67.21.55 airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1220 ;; option:
	airnow.gov A RR has value 134.67.21.55
	Found 1 RRSIGs over A RRset
	`airnow.gov. 600 IN RRSIG ( A 8 2 600 20220707062046 20220703054508 14106 airnow.gov. Or4z/MpFf1HQa0fvgsX56eEjcQYPmwxjVtYlAI6ALfDgnes5ccp60rsjKy2osnwWltxHbp7V9LAm UtAD200LcK8+khnwTy+swGDQzqNmqzUepVfqMf9/OFPevoGzNx3qweMKw7w+CmNK9Ma+QIP/X0jF XfmdFiroInnj13MD4/0= )`
	RRSIG=14106 and DNSKEY=14106 verifies the A RRset

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test airnow.gov at dnsviz.net.

DNSSEC Analyzer

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: