DNSSEC Debugger

Domain Name:

Time: 2025-09-18 10:36:44 UTC

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 h.root-servers.net for ./DNSKEY
	Received 1414 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 1414 octets ;; HEADER SECTION ;; id = 23922 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (5 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148 . 172800 IN DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441 . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20250930000000 20250909000000 20326 . aqj52+DKW6PhTa31l3xyxa0lbMd8T/UyK1sNUC42EY1+cSp0hSC0VlW82RsWYU5G5NmewrInT/Sx glWFlFz94yVqiKAK7ZNQr94nRbA7okrrlfnloiBi3cQ1IvEUgvNcmlZMLTeA6rINvdcBwS7ljMOH m0vQDce9IOxhQT7iAu23oiNORw5nWG/npNkYRFDD4yQvD3HsNeXFTuyDuc57ZEjs/pnIG5nkcqx7 tp/ba3XbOGllDr/V/0ubak7OeWum1eckIljqUsx5BnfBfIA7rJ2JJBIT7JMJ/O/cflTKoJFHQoKG TVYrNVBq9vsnZ01Q4ss688IvI8vO3zkP6LQLEA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	DNSKEY=20326/SEP is now in the chain-of-trust
	DS=20326/SHA-256 verifies DNSKEY=20326/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20250930000000 20250909000000 20326 . aqj52+DKW6PhTa31l3xyxa0lbMd8T/UyK1sNUC42EY1+cSp0hSC0VlW82RsWYU5G5NmewrInT/Sx glWFlFz94yVqiKAK7ZNQr94nRbA7okrrlfnloiBi3cQ1IvEUgvNcmlZMLTeA6rINvdcBwS7ljMOH m0vQDce9IOxhQT7iAu23oiNORw5nWG/npNkYRFDD4yQvD3HsNeXFTuyDuc57ZEjs/pnIG5nkcqx7 tp/ba3XbOGllDr/V/0ubak7OeWum1eckIljqUsx5BnfBfIA7rJ2JJBIT7JMJ/O/cflTKoJFHQoKG TVYrNVBq9vsnZ01Q4ss688IvI8vO3zkP6LQLEA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=53148 is now in the chain-of-trust
	DNSKEY=46441 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to h.root-servers.net for NBC.GOV/A
	Received 614 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 614 octets ;; HEADER SECTION ;; id = 13906 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; NBC.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 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== ) ;; ADDITIONAL SECTION (9 records) 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 }
	Query to a.root-servers.net for GOV/DNSKEY
	Received 610 bytes from 198.41.0.4
	;; Response received from [198.41.0.4] 610 octets ;; HEADER SECTION ;; id = 12719 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; GOV. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) GOV. 172800 IN NS c.ns.GOV. GOV. 172800 IN NS a.ns.GOV. GOV. 172800 IN NS d.ns.GOV. GOV. 172800 IN NS b.ns.GOV. GOV. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) GOV. 86400 IN RRSIG ( DS 8 1 86400 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== ) ;; ADDITIONAL SECTION (9 records) c.ns.GOV. 172800 IN A 199.33.232.1 c.ns.GOV. 172800 IN AAAA 2001:503:ff42::1 a.ns.GOV. 172800 IN A 199.33.230.1 a.ns.GOV. 172800 IN AAAA 2001:503:ff40::1 d.ns.GOV. 172800 IN A 199.33.233.1 d.ns.GOV. 172800 IN AAAA 2001:503:ff43::1 b.ns.GOV. 172800 IN A 199.33.231.1 b.ns.GOV. 172800 IN AAAA 2001:503:ff41::1 ;; { "EDNS-VERSION": 0 }
	Found child zone GOV

GOV

	Checking DS between . and GOV
	Query to c.root-servers.net for GOV/DS
	Received 370 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 370 octets ;; HEADER SECTION ;; id = 55203 ;; 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 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for GOV in the . zone
	DS=2536/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`gov. 86400 IN RRSIG ( DS 8 1 86400 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== )`
	RRSIG=46441 and DNSKEY=46441 verifies the DS RRset
	DS=2536/SHA-256 is now in the chain-of-trust
	`gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 )`
	Query to a.ns.GOV for GOV/DNSKEY
	Received 291 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 291 octets ;; HEADER SECTION ;; id = 52960 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; GOV. IN DNSKEY ;; ANSWER SECTION (3 records) GOV. 3600 IN DNSKEY ( 257 3 13 D6ZhJTObQw3+kcewWf5iTHbzD3uTdbs5xf0kQfP/VXZcDovWJd0DUgHlp2VC002aLDCwhLoPPVN2 VfyoPnjCqg== ) ; keytag 2536 GOV. 3600 IN DNSKEY ( 256 3 13 Of5kU9k4XfdcPwCK9k/zRJNu+Xspnw/BDd+1V6ZpDXRIpHe35BnHTZUBJN9gd6++HkiGXx2YnTji iO7/q+Yamg== ) ; keytag 35496 GOV. 3600 IN RRSIG ( DNSKEY 13 1 3600 20251101110613 20250901110613 2536 gov. D1H2/lQxqi95pn45IcLLiEhJqLj7xvGsuBj73AYEAzqX48/P7GQMRCj7rQAOTEwKoZaj70cVbIvD dPV4T5L9mw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for GOV
	`GOV. 3600 IN DNSKEY ( 257 3 13 D6ZhJTObQw3+kcewWf5iTHbzD3uTdbs5xf0kQfP/VXZcDovWJd0DUgHlp2VC002aLDCwhLoPPVN2 VfyoPnjCqg== ) ; keytag 2536`
	`GOV. 3600 IN DNSKEY ( 256 3 13 Of5kU9k4XfdcPwCK9k/zRJNu+Xspnw/BDd+1V6ZpDXRIpHe35BnHTZUBJN9gd6++HkiGXx2YnTji iO7/q+Yamg== ) ; keytag 35496`
	DNSKEY=2536/SEP is now in the chain-of-trust
	DS=2536/SHA-256 verifies DNSKEY=2536/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`GOV. 3600 IN RRSIG ( DNSKEY 13 1 3600 20251101110613 20250901110613 2536 gov. D1H2/lQxqi95pn45IcLLiEhJqLj7xvGsuBj73AYEAzqX48/P7GQMRCj7rQAOTEwKoZaj70cVbIvD dPV4T5L9mw== )`
	RRSIG=2536 and DNSKEY=2536/SEP verifies the DNSKEY RRset
	DNSKEY=35496 is now in the chain-of-trust
	Query to b.ns.GOV for NBC.GOV/A
	Received 237 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 237 octets ;; HEADER SECTION ;; id = 55497 ;; 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 = 4 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) NBC.GOV. 10800 IN NS liz.ns.cloudflare.com. NBC.GOV. 10800 IN NS west.ns.cloudflare.com. NBC.GOV. 3600 IN DS ( 2371 13 2 ea434d9af7144056bdb2460d5d66d74393071aff53cd130b3373f965a84f65bf ) NBC.GOV. 3600 IN RRSIG ( DS 13 2 3600 20250919113644 20250917093644 35496 gov. etPOaFozseuZZaIdpBS59x++6HN6CWDkw/tiAp2lS85TOQT/4snuvM9JLvQZzDwUWN/Fbv7wtZYD DNa2P2M2fA== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to d.ns.GOV for NBC.GOV/DNSKEY
	Received 237 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 237 octets ;; HEADER SECTION ;; id = 1627 ;; 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 = 4 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) NBC.GOV. 10800 IN NS liz.ns.cloudflare.com. NBC.GOV. 10800 IN NS west.ns.cloudflare.com. NBC.GOV. 3600 IN DS ( 2371 13 2 ea434d9af7144056bdb2460d5d66d74393071aff53cd130b3373f965a84f65bf ) NBC.GOV. 3600 IN RRSIG ( DS 13 2 3600 20250919113644 20250917093644 35496 gov. 0AFLxAFhJeDFu0wgoUOl0OXv+0/Yznd0frJFEOh5SnB4Mu9yQLJ+jyrGmx+iNieQsLh27nOej2Ht Cur4VQdwAQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone NBC.GOV

NBC.GOV

	Checking DS between GOV and NBC.GOV
	Query to b.ns.GOV for NBC.GOV/DS
	Received 183 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 183 octets ;; HEADER SECTION ;; id = 39672 ;; 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) ;; NBC.GOV. IN DS ;; ANSWER SECTION (2 records) NBC.GOV. 3600 IN DS ( 2371 13 2 ea434d9af7144056bdb2460d5d66d74393071aff53cd130b3373f965a84f65bf ) NBC.GOV. 3600 IN RRSIG ( DS 13 2 3600 20250919113644 20250917093644 35496 gov. q9LhlEFsuL92fMZOfWzNDexL9H/t7zsdVmMbRuJY/fl5Y86GD0tSaV8Dwf0wwr/UUJ3ewjKTW3xE nWjpY7cfwA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 13 2 3600 20250919113644 20250917093644 35496 gov. q9LhlEFsuL92fMZOfWzNDexL9H/t7zsdVmMbRuJY/fl5Y86GD0tSaV8Dwf0wwr/UUJ3ewjKTW3xE nWjpY7cfwA== )`
	RRSIG=35496 and DNSKEY=35496 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
	;; Response received from [173.245.58.189] 299 octets ;; HEADER SECTION ;; id = 47514 ;; 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) ;; NBC.GOV. IN DNSKEY ;; ANSWER SECTION (3 records) NBC.GOV. 3600 IN DNSKEY ( 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iU zy1L53eKGQ== ) ; keytag 2371 NBC.GOV. 3600 IN DNSKEY ( 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x 8fGAa2XhSA== ) ; keytag 34505 NBC.GOV. 3600 IN RRSIG ( DNSKEY 13 2 3600 20251030194343 20250830194343 2371 nbc.gov. RfLSG7SDR3eCVbWsmK2xy3BvjKpB6hHjz7To1ntBKgEh4jkol0wyXnfHpUSQdzMlw02zNtWPeavm nmBXYoTnNA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for NBC.GOV
	`NBC.GOV. 3600 IN DNSKEY ( 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iU zy1L53eKGQ== ) ; keytag 2371`
	`NBC.GOV. 3600 IN DNSKEY ( 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x 8fGAa2XhSA== ) ; keytag 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 20251030194343 20250830194343 2371 nbc.gov. RfLSG7SDR3eCVbWsmK2xy3BvjKpB6hHjz7To1ntBKgEh4jkol0wyXnfHpUSQdzMlw02zNtWPeavm nmBXYoTnNA== )`
	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
	Received 340 bytes from 172.64.33.247
	;; Response received from [172.64.33.247] 340 octets ;; HEADER SECTION ;; id = 26281 ;; 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": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) NBC.GOV. 1800 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2383005967 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) NBC.GOV. 1800 IN NSEC ( \000.nbc.gov. NS SOA HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA ) NBC.GOV. 1800 IN RRSIG ( SOA 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. UZt8kUk+j/70PIhDQ2PC6aURjrS+gZBf8jIYmeeo1kZ/j/fii10FfMv8yfRxYXXfXYkg86mAxUrV P4yLAzQ6mQ== ) NBC.GOV. 1800 IN RRSIG ( NSEC 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. naWbLYG4wO/U2OQiDfvDdKvOP52T2/kW+7dLAz+PBkuyHRLnqofXfAqd/2FnYqMFsGcYrHdfMs9C nJu6r+v78w== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	west.ns.cloudflare.com is authoritative for NBC.GOV
	Found RRSIG signed by nbc.gov zone
	Query to liz.ns.cloudflare.com for NBC.GOV/SOA
	Received 200 bytes from 108.162.192.189
	;; Response received from [108.162.192.189] 200 octets ;; HEADER SECTION ;; id = 59867 ;; 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) ;; NBC.GOV. IN SOA ;; ANSWER SECTION (2 records) NBC.GOV. 1800 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2383005967 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) NBC.GOV. 1800 IN RRSIG ( SOA 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. uP60MihAzr5neNRAHJcxDGWVFDkEVdJwhz3w9eXR2UuUk3FVOO0zCadmnxZDIK3NCIZ5k1lk9FuA A9r5OFNXaQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to west.ns.cloudflare.com for NBC.GOV/A
	Received 340 bytes from 173.245.59.247
	;; Response received from [173.245.59.247] 340 octets ;; HEADER SECTION ;; id = 44530 ;; 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": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) NBC.GOV. 1800 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2383005967 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) NBC.GOV. 1800 IN NSEC ( \000.nbc.gov. NS SOA HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA ) NBC.GOV. 1800 IN RRSIG ( SOA 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. adn2TIlhMwAOweUB5sXif4+j7c1fy07qRtH7uzRdwr+9dg6PY2LYNVEhKrNrCux2gjOcNy3kLbZL RwOsyDMTQA== ) NBC.GOV. 1800 IN RRSIG ( NSEC 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. KdM3BmhJodoj9KunOoaE75nDbF96Dm+HreFYlDLx+7IK9rh4ZZLYQAq/40AvmlryOJyVLxqtesaX MDaZ95IP+w== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Checking NSEC records for a NODATA response
	Found 1 RRSIGs over NSEC RRset
	`NBC.GOV. 1800 IN RRSIG ( NSEC 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. KdM3BmhJodoj9KunOoaE75nDbF96Dm+HreFYlDLx+7IK9rh4ZZLYQAq/40AvmlryOJyVLxqtesaX MDaZ95IP+w== )`
	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. 1800 IN RRSIG ( SOA 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. UZt8kUk+j/70PIhDQ2PC6aURjrS+gZBf8jIYmeeo1kZ/j/fii10FfMv8yfRxYXXfXYkg86mAxUrV P4yLAzQ6mQ== )`
	RRSIG=34505 and DNSKEY=34505 verifies the SOA RRset

NBC.GOV

	Query to liz.ns.cloudflare.com for NBC.GOV/A
	Received 340 bytes from 108.162.192.189
	;; Response received from [108.162.192.189] 340 octets ;; HEADER SECTION ;; id = 55545 ;; 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": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) NBC.GOV. 1800 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2383005967 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) NBC.GOV. 1800 IN NSEC ( \000.nbc.gov. NS SOA HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA ) NBC.GOV. 1800 IN RRSIG ( SOA 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. BYSUwWZnlncTB2i58dVGzQgz1NtGMHSKeKLy5w2bZ0gvffjUEG2Rvkge8Jn+FHdaBYiF62b7ufSb cI8B/YKaJA== ) NBC.GOV. 1800 IN RRSIG ( NSEC 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. g6Rw5FMKtLKn77LUKkYqKpOts57L3a4TvS5FY9Xj+kTYuN6mMlDYHivc0Xzc2bF3WPC32hxd9HUu mqlz2Ohj1w== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	liz.ns.cloudflare.com is authoritative for NBC.GOV
	Found RRSIG signed by nbc.gov zone
	Query to liz.ns.cloudflare.com for NBC.GOV/A
	Received 340 bytes from 172.64.32.189
	;; Response received from [172.64.32.189] 340 octets ;; HEADER SECTION ;; id = 15614 ;; 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": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; NBC.GOV. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) NBC.GOV. 1800 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2383005967 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) NBC.GOV. 1800 IN NSEC ( \000.nbc.gov. NS SOA HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA ) NBC.GOV. 1800 IN RRSIG ( SOA 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. 5UN78pM61REuSg2pf7lYVpeeNaZOHDSuhXpg9ATpbbCmzs0Qc4n6w/FVVIQLJTrt7J9R+r3QJC8y Y2QFDpwukw== ) NBC.GOV. 1800 IN RRSIG ( NSEC 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. LdkEuZtgrIutLXfkfszJfNvrI6BzUQVYeylhANcXk9EQLt5bvJg9KRH945ZV8/6uvc/diBc0K1tz 8FRZpNKubw== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Checking NSEC records for a NODATA response
	Found 1 RRSIGs over NSEC RRset
	`NBC.GOV. 1800 IN RRSIG ( NSEC 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. LdkEuZtgrIutLXfkfszJfNvrI6BzUQVYeylhANcXk9EQLt5bvJg9KRH945ZV8/6uvc/diBc0K1tz 8FRZpNKubw== )`
	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. 1800 IN RRSIG ( SOA 13 2 1800 20250919113644 20250917093644 34505 nbc.gov. BYSUwWZnlncTB2i58dVGzQgz1NtGMHSKeKLy5w2bZ0gvffjUEG2Rvkge8Jn+FHdaBYiF62b7ufSb cI8B/YKaJA== )`
	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 Debugger

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