DNSSEC Analyzer

Domain Name:

Time: 2019-08-25 08:49:59 UTC, NTP stratum 4

Analyzing DNSSEC problems for NBC.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
	Error querying i.root-servers.net/2001:7fe:0:0:0:0:0:53 for ./DNSKEY: 'IPv6 transport disabled'
	Received 864 bytes from 192.36.148.17
	;; Answer received from 192.36.148.17 (864 bytes) ;; HEADER SECTION ;; id = 48843 ;; 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) ;; . IN DNSKEY ;; ANSWER SECTION (3 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 AwEAAcTQyaIe6nt3xSPOG2L/YfwBkOVTJN6mlnZ249O5Rtt3ZSRQHxQSW61AODYw6bvgxrrGq8ee OuenFjcSYgNAMcBYoEYYmKDW6e9EryW4ZaT/MCq+8Am06oR40xAA3fClOM6QjRcT85tP41Go946A icBGP8XOP/Aj1aI/oPRGzRnboUPUok/AzTNnW5npBU69+BuiIwYE7mQOiNBFePyvjQBdoiuYbmuD 3Py0IyjlBxzZUXbqLsRL9gYFkCqeTY29Ik7usuzMTa+JRSLz6KGS5RSJ7CTSMjZg8aNaUbN2dvGh akJPh92HnLvMA3TefFgbKJphFNPA3BWSKLZ02cRWXqM= ) ; Key ID = 59944 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20190910000000 20190820000000 20326 . myqQxVqqg5Yb0Tx+BDiLM672R1pZi5zzgRAWh3SkK4mQponWEdXVglCRl6VxIDqnbi5NKabyHMBc w+k4hbBjA1TZ0f+cyJa8xxTg8m7caHrdIRDNwr1zFa16L5BO55NWCjyTCwc/IgRU+Q5zS1YX/qdy uDsWsuRxhxclK5Knxc35Z0Pj0/xlBVzatlwloBVtnSpetAHyofMq9J/ylHDdQtfDjC3B/cBE1/TA UR8cJ2hZXlBBkR0q3Nb0dc6CG8647F8Rp9NOPNn6529HFjARFOPKps2ujLqzrLD4wuKzU3B3yOBe Vqv80rPiSnz0po25KwxFuQYXhAPlNQRtVLdjDw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Found 2 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 AwEAAcTQyaIe6nt3xSPOG2L/YfwBkOVTJN6mlnZ249O5Rtt3ZSRQHxQSW61AODYw6bvgxrrGq8ee OuenFjcSYgNAMcBYoEYYmKDW6e9EryW4ZaT/MCq+8Am06oR40xAA3fClOM6QjRcT85tP41Go946A icBGP8XOP/Aj1aI/oPRGzRnboUPUok/AzTNnW5npBU69+BuiIwYE7mQOiNBFePyvjQBdoiuYbmuD 3Py0IyjlBxzZUXbqLsRL9gYFkCqeTY29Ik7usuzMTa+JRSLz6KGS5RSJ7CTSMjZg8aNaUbN2dvGh akJPh92HnLvMA3TefFgbKJphFNPA3BWSKLZ02cRWXqM= ) ; Key ID = 59944`
	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 20190910000000 20190820000000 20326 . myqQxVqqg5Yb0Tx+BDiLM672R1pZi5zzgRAWh3SkK4mQponWEdXVglCRl6VxIDqnbi5NKabyHMBc w+k4hbBjA1TZ0f+cyJa8xxTg8m7caHrdIRDNwr1zFa16L5BO55NWCjyTCwc/IgRU+Q5zS1YX/qdy uDsWsuRxhxclK5Knxc35Z0Pj0/xlBVzatlwloBVtnSpetAHyofMq9J/ylHDdQtfDjC3B/cBE1/TA UR8cJ2hZXlBBkR0q3Nb0dc6CG8647F8Rp9NOPNn6529HFjARFOPKps2ujLqzrLD4wuKzU3B3yOBe Vqv80rPiSnz0po25KwxFuQYXhAPlNQRtVLdjDw== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=59944 is now in the chain-of-trust
	Query to l.root-servers.net for NBC.GOV/A
	Received 662 bytes from 199.7.83.42
	;; Answer received from 199.7.83.42 (662 bytes) ;; HEADER SECTION ;; id = 46386 ;; 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 = 7 arcount = 9 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) GOV. 172800 IN NS a.gov-servers.net. GOV. 172800 IN NS b.gov-servers.net. GOV. 172800 IN NS c.gov-servers.net. GOV. 172800 IN NS d.gov-servers.net. GOV. 86400 IN DS 7698 8 1 6f109b46a80cea9613dc86d5a3e065520505aafe GOV. 86400 IN DS ( 7698 8 2 6bc949e638442ead0bdaf0935763c8d003760384ff15ebbd5ce86bb5559561f0 ) GOV. 86400 IN RRSIG ( DS 8 1 86400 20190907050000 20190825040000 59944 . IASD7OLpbvlhllb1e0BK1l2SJWGdGO0kbd9PXavKSpXm+7ZzcQ0tpw2Lr7cYQDW7mWzTDYtcmc0l pCmdTzMohWhmZ9y8d44zBT7t3cBFi6W5Z3zs22E9QDO+zprB6sC/9q2j5YkQzDeEsy+eGaNee+Tx GoSXOjdcMmat1NyQNnAhuDJbL93AH5akMOodrdspdah8h9QQWLqjpzOWbL9Si58GuOjpeGOsEJfP BbVy3S3Gu8hT3XA+VwW+it17aIYQG1BdaqKYCAsl8b9jI31UMYdQOuilKnsaHyJRzie7tawdHoCJ 2RsE1/+Su31dlxecA2qiZP8Dpj5LYOnUebf7cQ== ) ;; ADDITIONAL SECTION (9 records) a.gov-servers.net. 172800 IN A 69.36.157.30 a.gov-servers.net. 172800 IN AAAA 2001:500:4431::2:30 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 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:
	Query to f.root-servers.net for GOV/DNSKEY
	Error querying f.root-servers.net/2001:500:2f:0:0:0:0:f for GOV/DNSKEY: 'IPv6 transport disabled'
	Received 661 bytes from 192.5.5.241
	;; Answer received from 192.5.5.241 (661 bytes) ;; HEADER SECTION ;; id = 48510 ;; 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 = 7 arcount = 9 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1472 ;; option: ;; QUESTION SECTION (1 record) ;; GOV. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) gov. 172800 IN NS a.gov-servers.net. gov. 172800 IN NS b.gov-servers.net. gov. 172800 IN NS c.gov-servers.net. gov. 172800 IN NS d.gov-servers.net. gov. 86400 IN DS 7698 8 1 6f109b46a80cea9613dc86d5a3e065520505aafe gov. 86400 IN DS ( 7698 8 2 6bc949e638442ead0bdaf0935763c8d003760384ff15ebbd5ce86bb5559561f0 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20190907050000 20190825040000 59944 . IASD7OLpbvlhllb1e0BK1l2SJWGdGO0kbd9PXavKSpXm+7ZzcQ0tpw2Lr7cYQDW7mWzTDYtcmc0l pCmdTzMohWhmZ9y8d44zBT7t3cBFi6W5Z3zs22E9QDO+zprB6sC/9q2j5YkQzDeEsy+eGaNee+Tx GoSXOjdcMmat1NyQNnAhuDJbL93AH5akMOodrdspdah8h9QQWLqjpzOWbL9Si58GuOjpeGOsEJfP BbVy3S3Gu8hT3XA+VwW+it17aIYQG1BdaqKYCAsl8b9jI31UMYdQOuilKnsaHyJRzie7tawdHoCJ 2RsE1/+Su31dlxecA2qiZP8Dpj5LYOnUebf7cQ== ) ;; ADDITIONAL SECTION (9 records) a.gov-servers.net. 172800 IN A 69.36.157.30 a.gov-servers.net. 172800 IN AAAA 2001:500:4431::2:30 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 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: 1472 ;; option:
	Found child zone GOV

GOV

	Checking DS between . and GOV
	Query to m.root-servers.net for GOV/DS
	Error querying m.root-servers.net/2001:dc3:0:0:0:0:0:35 for GOV/DS: 'IPv6 transport disabled'
	Received 406 bytes from 202.12.27.33
	;; Answer received from 202.12.27.33 (406 bytes) ;; HEADER SECTION ;; id = 49993 ;; 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 DS ;; ANSWER SECTION (3 records) gov. 86400 IN DS 7698 8 1 6f109b46a80cea9613dc86d5a3e065520505aafe gov. 86400 IN DS ( 7698 8 2 6bc949e638442ead0bdaf0935763c8d003760384ff15ebbd5ce86bb5559561f0 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20190907050000 20190825040000 59944 . IASD7OLpbvlhllb1e0BK1l2SJWGdGO0kbd9PXavKSpXm+7ZzcQ0tpw2Lr7cYQDW7mWzTDYtcmc0l pCmdTzMohWhmZ9y8d44zBT7t3cBFi6W5Z3zs22E9QDO+zprB6sC/9q2j5YkQzDeEsy+eGaNee+Tx GoSXOjdcMmat1NyQNnAhuDJbL93AH5akMOodrdspdah8h9QQWLqjpzOWbL9Si58GuOjpeGOsEJfP BbVy3S3Gu8hT3XA+VwW+it17aIYQG1BdaqKYCAsl8b9jI31UMYdQOuilKnsaHyJRzie7tawdHoCJ 2RsE1/+Su31dlxecA2qiZP8Dpj5LYOnUebf7cQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Found 2 DS records for GOV in the . zone
	DS=7698/SHA-1 has algorithm RSASHA256
	DS=7698/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`gov. 86400 IN RRSIG ( DS 8 1 86400 20190907050000 20190825040000 59944 . IASD7OLpbvlhllb1e0BK1l2SJWGdGO0kbd9PXavKSpXm+7ZzcQ0tpw2Lr7cYQDW7mWzTDYtcmc0l pCmdTzMohWhmZ9y8d44zBT7t3cBFi6W5Z3zs22E9QDO+zprB6sC/9q2j5YkQzDeEsy+eGaNee+Tx GoSXOjdcMmat1NyQNnAhuDJbL93AH5akMOodrdspdah8h9QQWLqjpzOWbL9Si58GuOjpeGOsEJfP BbVy3S3Gu8hT3XA+VwW+it17aIYQG1BdaqKYCAsl8b9jI31UMYdQOuilKnsaHyJRzie7tawdHoCJ 2RsE1/+Su31dlxecA2qiZP8Dpj5LYOnUebf7cQ== )`
	RRSIG=59944 and DNSKEY=59944 verifies the DS RRset
	DS=7698/SHA-1 is now in the chain-of-trust
	`gov. 86400 IN DS 7698 8 1 6f109b46a80cea9613dc86d5a3e065520505aafe`
	`gov. 86400 IN DS ( 7698 8 2 6bc949e638442ead0bdaf0935763c8d003760384ff15ebbd5ce86bb5559561f0 )`
	Query to c.gov-servers.net for GOV/DNSKEY
	Error querying c.gov-servers.net/2620:74:28:0:0:0:2:30 for GOV/DNSKEY: 'IPv6 transport disabled'
	Received 743 bytes from 69.36.153.30
	;; Answer received from 69.36.153.30 (743 bytes) ;; HEADER SECTION ;; id = 46695 ;; 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 ( 256 3 8 AQPnviCbt0HB2CQze767dPf3TQFosiEwOIkUQaJmcSoNlVSquo3Mox7noTQGzKSdTbKAh0zfkGIb thSb6zyPceMJPpVv2RQUAj9WWTZr4yvO0J5/KllhGqr3sZndrV1lF/rrFzjnnLO8egQTS7bXHbsU 9sM71w5Xiow+isEEPrc5KQ== ) ; Key ID = 7877 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 RRSIG ( DNSKEY 8 1 86400 20190830214731 20190815214231 7698 gov. k1bNHuSWv2dXTQUpQqP68QRQ5fWzTY2g+HNf1z8IpZC7H3EHKv8KptrM+vQiUBR655KD9G3geI3x HbR3kKXWcQII2XFfnvCmf7gNbVmOYUli1cTCsbTNo64VS8hdwpwFPH7C8FQ7NDs5vUH6y9XvIJv0 M571C301cmbMdtczwdTVIE64YGedJOWGQMcLJnRPzdbz9IS1XdxHkfLmGsrqzUYUc1/b88hCVlbn ftGzRDh+jUq32mCd6eknCrnfmG4moYT1CVuR10K5oG3pADzMgTSnqCYyFb9xrRYaYtBmDeN0KhKp wx+MHIquJk2W6OUnoMMCX0DqxTlUHMxoxIfOwA== ) ;; 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 ( 256 3 8 AQPnviCbt0HB2CQze767dPf3TQFosiEwOIkUQaJmcSoNlVSquo3Mox7noTQGzKSdTbKAh0zfkGIb thSb6zyPceMJPpVv2RQUAj9WWTZr4yvO0J5/KllhGqr3sZndrV1lF/rrFzjnnLO8egQTS7bXHbsU 9sM71w5Xiow+isEEPrc5KQ== ) ; Key ID = 7877`
	`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`
	DNSKEY=7698/SEP is now in the chain-of-trust
	DS=7698/SHA-1 verifies DNSKEY=7698/SEP
	DS=7698/SHA-256 verifies DNSKEY=7698/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`GOV. 86400 IN RRSIG ( DNSKEY 8 1 86400 20190830214731 20190815214231 7698 gov. k1bNHuSWv2dXTQUpQqP68QRQ5fWzTY2g+HNf1z8IpZC7H3EHKv8KptrM+vQiUBR655KD9G3geI3x HbR3kKXWcQII2XFfnvCmf7gNbVmOYUli1cTCsbTNo64VS8hdwpwFPH7C8FQ7NDs5vUH6y9XvIJv0 M571C301cmbMdtczwdTVIE64YGedJOWGQMcLJnRPzdbz9IS1XdxHkfLmGsrqzUYUc1/b88hCVlbn ftGzRDh+jUq32mCd6eknCrnfmG4moYT1CVuR10K5oG3pADzMgTSnqCYyFb9xrRYaYtBmDeN0KhKp wx+MHIquJk2W6OUnoMMCX0DqxTlUHMxoxIfOwA== )`
	RRSIG=7698 and DNSKEY=7698/SEP verifies the DNSKEY RRset
	DNSKEY=7877 is now in the chain-of-trust
	Query to c.gov-servers.net for NBC.GOV/A
	Received 301 bytes from 69.36.153.30
	;; Answer received from 69.36.153.30 (301 bytes) ;; HEADER SECTION ;; id = 3932 ;; 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 = 4 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) NBC.GOV. 86400 IN NS west.ns.cloudflare.com. NBC.GOV. 86400 IN NS liz.ns.cloudflare.com. NBC.GOV. 3600 IN DS ( 2371 13 2 ea434d9af7144056bdb2460d5d66d74393071aff53cd130b3373f965a84f65bf ) NBC.GOV. 3600 IN RRSIG ( DS 8 2 3600 20190901041007 20190825041007 7877 gov. IFYyj7BdPcFSoJp92M0nEX5orI/TgDdFtO1ZzZzHuauhZ14Hglj/8VPtJUbvoZ0pvv7Tjwos3TAI 7PfRQ30d3ixZBxtunMeeCyZu9w0q3sc7muMuQ+6MwKTJBuI0sbra1WOIvajlM2P5AY1NYGzbc6LE aPJbCw2tvViWtpkLQQ0= ) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Query to a.gov-servers.net for NBC.GOV/DNSKEY
	Received 301 bytes from 69.36.157.30
	;; Answer received from 69.36.157.30 (301 bytes) ;; HEADER SECTION ;; id = 17993 ;; 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 = 4 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) NBC.GOV. 86400 IN NS west.ns.cloudflare.com. NBC.GOV. 86400 IN NS liz.ns.cloudflare.com. NBC.GOV. 3600 IN DS ( 2371 13 2 ea434d9af7144056bdb2460d5d66d74393071aff53cd130b3373f965a84f65bf ) NBC.GOV. 3600 IN RRSIG ( DS 8 2 3600 20190901041007 20190825041007 7877 gov. IFYyj7BdPcFSoJp92M0nEX5orI/TgDdFtO1ZzZzHuauhZ14Hglj/8VPtJUbvoZ0pvv7Tjwos3TAI 7PfRQ30d3ixZBxtunMeeCyZu9w0q3sc7muMuQ+6MwKTJBuI0sbra1WOIvajlM2P5AY1NYGzbc6LE aPJbCw2tvViWtpkLQQ0= ) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Found child zone NBC.GOV

NBC.GOV

	Checking DS between GOV and NBC.GOV
	Query to a.gov-servers.net for NBC.GOV/DS
	Error querying a.gov-servers.net/2001:500:4431:0:0:0:2:30 for NBC.GOV/DS: 'IPv6 transport disabled'
	Received 247 bytes from 69.36.157.30
	;; Answer received from 69.36.157.30 (247 bytes) ;; HEADER SECTION ;; id = 13243 ;; 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) ;; NBC.GOV. IN DS ;; ANSWER SECTION (2 records) NBC.GOV. 3600 IN DS ( 2371 13 2 ea434d9af7144056bdb2460d5d66d74393071aff53cd130b3373f965a84f65bf ) NBC.GOV. 3600 IN RRSIG ( DS 8 2 3600 20190901041007 20190825041007 7877 gov. IFYyj7BdPcFSoJp92M0nEX5orI/TgDdFtO1ZzZzHuauhZ14Hglj/8VPtJUbvoZ0pvv7Tjwos3TAI 7PfRQ30d3ixZBxtunMeeCyZu9w0q3sc7muMuQ+6MwKTJBuI0sbra1WOIvajlM2P5AY1NYGzbc6LE aPJbCw2tvViWtpkLQQ0= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Found 1 DS records for NBC.GOV in the GOV zone
	DS=2371/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`NBC.GOV. 3600 IN RRSIG ( DS 8 2 3600 20190901041007 20190825041007 7877 gov. IFYyj7BdPcFSoJp92M0nEX5orI/TgDdFtO1ZzZzHuauhZ14Hglj/8VPtJUbvoZ0pvv7Tjwos3TAI 7PfRQ30d3ixZBxtunMeeCyZu9w0q3sc7muMuQ+6MwKTJBuI0sbra1WOIvajlM2P5AY1NYGzbc6LE aPJbCw2tvViWtpkLQQ0= )`
	RRSIG=7877 and DNSKEY=7877 verifies the DS RRset
	DS=2371/SHA-256 is now in the chain-of-trust
	`NBC.GOV. 3600 IN DS ( 2371 13 2 ea434d9af7144056bdb2460d5d66d74393071aff53cd130b3373f965a84f65bf )`
	Query to liz.ns.cloudflare.com for NBC.GOV/DNSKEY
	Received 299 bytes from 173.245.58.189
	;; Answer received from 173.245.58.189 (299 bytes) ;; HEADER SECTION ;; id = 33799 ;; 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: 512 ;; option: ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN DNSKEY ;; ANSWER SECTION (3 records) NBC.GOV. 3600 IN DNSKEY ( 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iU zy1L53eKGQ== ) ; Key ID = 2371 NBC.GOV. 3600 IN DNSKEY ( 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x 8fGAa2XhSA== ) ; Key ID = 34505 NBC.GOV. 3600 IN RRSIG ( DNSKEY 13 2 3600 20190922150427 20190724150427 2371 nbc.gov. sCR9XaH2IdyXBfX9K1/MgRyHj66ixK+MaKZGax/8OWY2nxvpJObqFW6PSXodollekfqEBRbiyypi +5tmKUupwg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 512 ;; option:
	Found 2 DNSKEY records for NBC.GOV
	`NBC.GOV. 3600 IN DNSKEY ( 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iU zy1L53eKGQ== ) ; Key ID = 2371`
	`NBC.GOV. 3600 IN DNSKEY ( 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x 8fGAa2XhSA== ) ; Key ID = 34505`
	DNSKEY=2371/SEP is now in the chain-of-trust
	DS=2371/SHA-256 verifies DNSKEY=2371/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`NBC.GOV. 3600 IN RRSIG ( DNSKEY 13 2 3600 20190922150427 20190724150427 2371 nbc.gov. sCR9XaH2IdyXBfX9K1/MgRyHj66ixK+MaKZGax/8OWY2nxvpJObqFW6PSXodollekfqEBRbiyypi +5tmKUupwg== )`
	RRSIG=2371 and DNSKEY=2371/SEP verifies the DNSKEY RRset
	DNSKEY=34505 is now in the chain-of-trust
	Query to west.ns.cloudflare.com for NBC.GOV/A
	Error querying west.ns.cloudflare.com/2400:cb00:2049:1:0:0:adf5:3bf7 for NBC.GOV/A: 'IPv6 transport disabled'
	Received 341 bytes from 173.245.59.247
	;; Answer received from 173.245.59.247 (341 bytes) ;; HEADER SECTION ;; id = 45481 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 4 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 512 ;; option: ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) NBC.GOV. 3600 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2031823927 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 3600 ;minimum ) NBC.GOV. 3600 IN NSEC ( \000.nbc.gov. NS SOA HINFO MX TXT AAAA LOC SRV CERT SSHFP RRSIG NSEC DNSKEY TLSA HIP CDS CDNSKEY OPENPGPKEY SPF ) NBC.GOV. 3600 IN RRSIG ( SOA 13 2 3600 20190826094959 20190824074959 34505 nbc.gov. vfZvy7X0sfsuBjLzGJcQEsPc1UwPoDtaLV6P53AdKbn9/JjzgM00CaUH1yj3O+KjdFOCpRYzmdT/ /Ewg3UqNiQ== ) NBC.GOV. 3600 IN RRSIG ( NSEC 13 2 3600 20190826094959 20190824074959 34505 nbc.gov. FcJz15op5s7wP8bNJRc3jtAbqlSTHjwtsj5j+SAWHaL9yN+5QXbSo1QtuGZ/fo9vZD/7hdqTx7/n +245/v1L+g== ) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 512 ;; option:
	NBC.GOV is authoritative for NBC.GOV
	Found RRSIG signed by nbc.gov zone
	Query to liz.ns.cloudflare.com for NBC.GOV/SOA
	Error querying liz.ns.cloudflare.com/2400:cb00:2049:1:0:0:adf5:3abd for NBC.GOV/SOA: 'IPv6 transport disabled'
	Received 200 bytes from 173.245.58.189
	;; Answer received from 173.245.58.189 (200 bytes) ;; HEADER SECTION ;; id = 43997 ;; 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: 512 ;; option: ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN SOA ;; ANSWER SECTION (2 records) NBC.GOV. 3600 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2031823927 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 3600 ;minimum ) NBC.GOV. 3600 IN RRSIG ( SOA 13 2 3600 20190826094959 20190824074959 34505 nbc.gov. inHLIwmZtLTb54p2/+wMnH2gs0drYqsDh6Ro0MA1fckkJzrSeJykhi0aH1c2Fp0oBzggqOPBOiL7 4BVgO0n0jw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 512 ;; option:
	Query to west.ns.cloudflare.com for NBC.GOV/SOA
	Error querying west.ns.cloudflare.com/2400:cb00:2049:1:0:0:adf5:3bf7 for NBC.GOV/SOA: 'IPv6 transport disabled'
	Received 200 bytes from 173.245.59.247
	;; Answer received from 173.245.59.247 (200 bytes) ;; HEADER SECTION ;; id = 30020 ;; 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: 512 ;; option: ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN SOA ;; ANSWER SECTION (2 records) NBC.GOV. 3600 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2031823927 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 3600 ;minimum ) NBC.GOV. 3600 IN RRSIG ( SOA 13 2 3600 20190826094959 20190824074959 34505 nbc.gov. vo/Y6fmINDKFleBUAbXN4+FvEpdQLyq8GJzcD2ZMwKBmQavCmzI4/HKF1uJUszeSmd/BsrROK15o uXLxGdVIMQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 512 ;; option:
	Query to west.ns.cloudflare.com for NBC.GOV/A
	Error querying west.ns.cloudflare.com/2400:cb00:2049:1:0:0:adf5:3bf7 for NBC.GOV/A: 'IPv6 transport disabled'
	Received 341 bytes from 173.245.59.247
	;; Answer received from 173.245.59.247 (341 bytes) ;; HEADER SECTION ;; id = 7558 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 4 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 512 ;; option: ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) NBC.GOV. 3600 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2031823927 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 3600 ;minimum ) NBC.GOV. 3600 IN NSEC ( \000.nbc.gov. NS SOA HINFO MX TXT AAAA LOC SRV CERT SSHFP RRSIG NSEC DNSKEY TLSA HIP CDS CDNSKEY OPENPGPKEY SPF ) NBC.GOV. 3600 IN RRSIG ( SOA 13 2 3600 20190826094959 20190824074959 34505 nbc.gov. X8YzmNXEQJYAFwM/o38I5yfc4+bWqLUVz7cgMYTBaSzhkBcTF7FdBrgjVvvkKpKHAa6BmPP/LSuj pss/CVKiEQ== ) NBC.GOV. 3600 IN RRSIG ( NSEC 13 2 3600 20190826094959 20190824074959 34505 nbc.gov. WhhyXfxmXf6F3ANZOxrccnrFxr/qVcg051jK6TaMhBuUV0Q4PWvjtwXcAu94ISnOnNEwtR8HHgXs hV+TlyHL3g== ) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 512 ;; option:
	Checking NSEC records for a NODATA response
	Found 1 RRSIGs over NSEC RRset
	`NBC.GOV. 3600 IN RRSIG ( NSEC 13 2 3600 20190826094959 20190824074959 34505 nbc.gov. WhhyXfxmXf6F3ANZOxrccnrFxr/qVcg051jK6TaMhBuUV0Q4PWvjtwXcAu94ISnOnNEwtR8HHgXs hV+TlyHL3g== )`
	RRSIG=34505 and DNSKEY=34505 verifies the NSEC RRset
	NSEC proves no records of type A exist for NBC.GOV
	Found 1 RRSIGs over SOA RRset
	`NBC.GOV. 3600 IN RRSIG ( SOA 13 2 3600 20190826094959 20190824074959 34505 nbc.gov. vfZvy7X0sfsuBjLzGJcQEsPc1UwPoDtaLV6P53AdKbn9/JjzgM00CaUH1yj3O+KjdFOCpRYzmdT/ /Ewg3UqNiQ== )`
	RRSIG=34505 and DNSKEY=34505 verifies the SOA RRset

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test NBC.GOV at dnsviz.net.

DNSSEC Analyzer

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: