DNSSEC Debugger

Domain Name:

Time: 2025-05-21 13:53:19 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 a.root-servers.net for ./DNSKEY
	Received 1139 bytes from 198.41.0.4
	;; Response received from [198.41.0.4] 1139 octets ;; HEADER SECTION ;; id = 11929 ;; 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 = 4 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148 . 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 20250611000000 20250521000000 20326 . ki8fK9M8rb/I+LSCC+6ZKil/CLh4jxV//8F/PDAFtzupjzeyCotFHL+Tm6kwL2wEOrZaz0a6rEba ZFhLGP+Z1XV0WJb45V0ajLFhU+IV4VCDVbzlXKQ3isrKymu8U7zrj3d/NoPbZAbxGkMfI56xv6Ev FvRYa9bjnIm0Id94ONqFclrlQTNEL25Nq+tDOH/Ro709M4j0NOcW5Ui6gIlILfsvEma+g+rHVMeJ N7Yu5FpOzaCvajJKdDGf4O3e1BI4UGrvxsLaZZGSUkeUifobG6FrTpewm9vDkU0kHfGKPqZurEuk mXcfCb/jevjBQhGG8HwoAQy4nS6IjWGfCjK3CQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 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 ( 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 20250611000000 20250521000000 20326 . ki8fK9M8rb/I+LSCC+6ZKil/CLh4jxV//8F/PDAFtzupjzeyCotFHL+Tm6kwL2wEOrZaz0a6rEba ZFhLGP+Z1XV0WJb45V0ajLFhU+IV4VCDVbzlXKQ3isrKymu8U7zrj3d/NoPbZAbxGkMfI56xv6Ev FvRYa9bjnIm0Id94ONqFclrlQTNEL25Nq+tDOH/Ro709M4j0NOcW5Ui6gIlILfsvEma+g+rHVMeJ N7Yu5FpOzaCvajJKdDGf4O3e1BI4UGrvxsLaZZGSUkeUifobG6FrTpewm9vDkU0kHfGKPqZurEuk mXcfCb/jevjBQhGG8HwoAQy4nS6IjWGfCjK3CQ== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=53148 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to k.root-servers.net for nbc.gov/A
	Received 614 bytes from 193.0.14.129
	;; Response received from [193.0.14.129] 614 octets ;; HEADER SECTION ;; id = 6285 ;; 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 20250603050000 20250521040000 53148 . SIh4WXCX5cSaa/Bz5iyvplBINW43+Ysp1Z63yO6XpTAGLQ8Xyaz7QkMW1h6tW6KUiRni64KAZoSu iwwI6ZIl2ooeAGcsiJ18Ls89CqiuuKRwWSPlSWRdlYKSfFNqOiGa7lkvWT76Ng5Ba1f+TUgUWfld yFBEdoLJhjtvF65guyUIPJTTYIaCq4yvpGzCvuj7z0Pa5gc2/Y0lnEwmInNH5tAgcAr+OWbqytUf 72558CSXvYu3V3Q46PNLi0VuFR5Wft6gDkULCRNX0w+ZLalQblXUoLODNJ7VYCW9CVVtJpaftN7w 6xo0jh9ySRWNve7wJAyrYrJRsEzK3npZTnv9MA== ) ;; 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 c.root-servers.net for gov/DNSKEY
	Received 613 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 613 octets ;; HEADER SECTION ;; id = 49203 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS b.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 172800 IN NS a.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20250603050000 20250521040000 53148 . SIh4WXCX5cSaa/Bz5iyvplBINW43+Ysp1Z63yO6XpTAGLQ8Xyaz7QkMW1h6tW6KUiRni64KAZoSu iwwI6ZIl2ooeAGcsiJ18Ls89CqiuuKRwWSPlSWRdlYKSfFNqOiGa7lkvWT76Ng5Ba1f+TUgUWfld yFBEdoLJhjtvF65guyUIPJTTYIaCq4yvpGzCvuj7z0Pa5gc2/Y0lnEwmInNH5tAgcAr+OWbqytUf 72558CSXvYu3V3Q46PNLi0VuFR5Wft6gDkULCRNX0w+ZLalQblXUoLODNJ7VYCW9CVVtJpaftN7w 6xo0jh9ySRWNve7wJAyrYrJRsEzK3npZTnv9MA== ) ;; ADDITIONAL SECTION (9 records) d.ns.gov. 172800 IN A 199.33.233.1 c.ns.gov. 172800 IN A 199.33.232.1 b.ns.gov. 172800 IN A 199.33.231.1 a.ns.gov. 172800 IN A 199.33.230.1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 ;; { "EDNS-VERSION": 0 }
	Found child zone gov

gov

	Checking DS between . and gov
	Query to b.root-servers.net for gov/DS
	Received 367 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 367 octets ;; HEADER SECTION ;; id = 55719 ;; 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 20250603050000 20250521040000 53148 . SIh4WXCX5cSaa/Bz5iyvplBINW43+Ysp1Z63yO6XpTAGLQ8Xyaz7QkMW1h6tW6KUiRni64KAZoSu iwwI6ZIl2ooeAGcsiJ18Ls89CqiuuKRwWSPlSWRdlYKSfFNqOiGa7lkvWT76Ng5Ba1f+TUgUWfld yFBEdoLJhjtvF65guyUIPJTTYIaCq4yvpGzCvuj7z0Pa5gc2/Y0lnEwmInNH5tAgcAr+OWbqytUf 72558CSXvYu3V3Q46PNLi0VuFR5Wft6gDkULCRNX0w+ZLalQblXUoLODNJ7VYCW9CVVtJpaftN7w 6xo0jh9ySRWNve7wJAyrYrJRsEzK3npZTnv9MA== ) ;; 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 20250603050000 20250521040000 53148 . SIh4WXCX5cSaa/Bz5iyvplBINW43+Ysp1Z63yO6XpTAGLQ8Xyaz7QkMW1h6tW6KUiRni64KAZoSu iwwI6ZIl2ooeAGcsiJ18Ls89CqiuuKRwWSPlSWRdlYKSfFNqOiGa7lkvWT76Ng5Ba1f+TUgUWfld yFBEdoLJhjtvF65guyUIPJTTYIaCq4yvpGzCvuj7z0Pa5gc2/Y0lnEwmInNH5tAgcAr+OWbqytUf 72558CSXvYu3V3Q46PNLi0VuFR5Wft6gDkULCRNX0w+ZLalQblXUoLODNJ7VYCW9CVVtJpaftN7w 6xo0jh9ySRWNve7wJAyrYrJRsEzK3npZTnv9MA== )`
	RRSIG=53148 and DNSKEY=53148 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 = 46255 ;; 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 20250704110557 20250504110557 2536 gov. tAeRYp56dPYu79FfML7RVcEKV8saNzG7X9/H2Krxd6fbG/aG0lMmwKQbHE4g3q3S7bIopKhjIVcm rIYydkI0uQ== ) ;; 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 20250704110557 20250504110557 2536 gov. tAeRYp56dPYu79FfML7RVcEKV8saNzG7X9/H2Krxd6fbG/aG0lMmwKQbHE4g3q3S7bIopKhjIVcm rIYydkI0uQ== )`
	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 = 52200 ;; 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 20250522145319 20250520125319 35496 gov. J5zesqJLsjOY4zNeQKXQDTrnmP2fUfuBZkW4QG9Yd3HeDJ7iZgGBUNdJKqppzbQ7RCMb9E8aEmHC s83OmL4IjQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to b.ns.gov for nbc.gov/DNSKEY
	Received 237 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 237 octets ;; HEADER SECTION ;; id = 24120 ;; 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 20250522145319 20250520125319 35496 gov. 7aVoOSIRj/RIrW6NZ33TpX6bTut+eqnCCeBQDiAJofLVqFeNCjNRn4nvbhFRa6iPs+4sf1kySX53 Xa2NoNQDtw== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone nbc.gov

nbc.gov

	Checking DS between gov and nbc.gov
	Query to d.ns.gov for nbc.gov/DS
	Received 183 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 183 octets ;; HEADER SECTION ;; id = 27029 ;; 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 20250522145319 20250520125319 35496 gov. 7EO2Vh6pPEDBAHcXYe954BN0+YXS+wUWpdZU/jch8Dlw5NrokajmZFvCFrddI/Su5i3+fJ/aTQA5 5RHGrQ/3aw== ) ;; 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 20250522145319 20250520125319 35496 gov. 7EO2Vh6pPEDBAHcXYe954BN0+YXS+wUWpdZU/jch8Dlw5NrokajmZFvCFrddI/Su5i3+fJ/aTQA5 5RHGrQ/3aw== )`
	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 west.ns.cloudflare.com for nbc.gov/DNSKEY
	Received 299 bytes from 172.64.33.247
	;; Response received from [172.64.33.247] 299 octets ;; HEADER SECTION ;; id = 54835 ;; 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 20250702194331 20250502194331 2371 nbc.gov. RYdWOZdJ4jgAkCqVDlkezb0JqJ6nUu+D2QQvUmH2uY2+RfsLmFoqWbqTGV285YGM/QHDv6hghpA/ oo/k4tIh+w== ) ;; 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 20250702194331 20250502194331 2371 nbc.gov. RYdWOZdJ4jgAkCqVDlkezb0JqJ6nUu+D2QQvUmH2uY2+RfsLmFoqWbqTGV285YGM/QHDv6hghpA/ oo/k4tIh+w== )`
	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 108.162.193.247
	;; Response received from [108.162.193.247] 340 octets ;; HEADER SECTION ;; id = 43115 ;; 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. 2372788329 ;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 20250522145319 20250520125319 34505 nbc.gov. QiEiIPL6ee44+svyF6LvOeRLIXWxM1KbNIMoSHrXMLtQszrumeo6mGYRI7z9gYREkiFbftySmDGo 4RZKHEUpSA== ) nbc.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20250522145319 20250520125319 34505 nbc.gov. 4Eud0/HglYtv6NdCF49Ecj7AP9V3GQYV4cyHD2Y3gat90pFU1ayelfSFnLo43g+CkWzczBP/Zy03 +3THVTXZSg== ) ;; 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 = 63046 ;; 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. 2372788329 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) nbc.gov. 1800 IN RRSIG ( SOA 13 2 1800 20250522145319 20250520125319 34505 nbc.gov. riEeE+ctC8c6KiVQ8nRCL8X00s7xbpZVHIDPrIpMdCRRi9Ot9r7qq+ci2EsXj5as71BMNyQmpAN4 va96iFbuiQ== ) ;; 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 172.64.33.247
	;; Response received from [172.64.33.247] 340 octets ;; HEADER SECTION ;; id = 14084 ;; 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. 2372788329 ;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 20250522145319 20250520125319 34505 nbc.gov. 3CQrNWIMNSh5C2KEfq0MdITAUzrOIhAc6W+aHtn7loLAgi3LasNadBHWOzgfd5fJlEMk0yMSjpkb 9H5a+OOUtA== ) nbc.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20250522145319 20250520125319 34505 nbc.gov. 14Rl31zbO72bcFcCXC9bKGmvnW2hHqofIl8dkrAHEcl//BVoH97Z0bI6NiiGs79DwX5rNy3zMmHI O2gsgUSQwQ== ) ;; 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 20250522145319 20250520125319 34505 nbc.gov. 14Rl31zbO72bcFcCXC9bKGmvnW2hHqofIl8dkrAHEcl//BVoH97Z0bI6NiiGs79DwX5rNy3zMmHI O2gsgUSQwQ== )`
	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 20250522145319 20250520125319 34505 nbc.gov. QiEiIPL6ee44+svyF6LvOeRLIXWxM1KbNIMoSHrXMLtQszrumeo6mGYRI7z9gYREkiFbftySmDGo 4RZKHEUpSA== )`
	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 = 43691 ;; 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. 2372788329 ;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 20250522145319 20250520125319 34505 nbc.gov. /nyfBgemP3xIp7yL/uUAkoicLiXerlnWDgrHx9L1mJWSPwmzdVJFRU+ofFXoCu3GpfpwfkzdYH9v 2mC94YDOTQ== ) nbc.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20250522145319 20250520125319 34505 nbc.gov. X8alxYfPHtc20zrF53+6nj+qK2wag/d/17I99/yTI6ouf8t6kkOh3QXcqBMTbeCQ47Na3erq/AfL SXIeZ0byGw== ) ;; 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 108.162.192.189
	;; Response received from [108.162.192.189] 340 octets ;; HEADER SECTION ;; id = 59951 ;; 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. 2372788329 ;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 20250522145319 20250520125319 34505 nbc.gov. W5lEt16ShwaXH0cDtbD3q/X2FHCQzpoHBLQB48CS114ZFId0KZNLocs6UyhQzvNpevYx+XRK9isk RlsNUHaawQ== ) nbc.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20250522145319 20250520125319 34505 nbc.gov. 4cYXNz1a1wJbJwIPUajryYvuoqMaewqtITOWmMDfQpE4D0Ihs7PJ/SKkUj3TCicVW7WJ9RZ7zWFb UO8uO62G+Q== ) ;; 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 20250522145319 20250520125319 34505 nbc.gov. 4cYXNz1a1wJbJwIPUajryYvuoqMaewqtITOWmMDfQpE4D0Ihs7PJ/SKkUj3TCicVW7WJ9RZ7zWFb UO8uO62G+Q== )`
	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 20250522145319 20250520125319 34505 nbc.gov. /nyfBgemP3xIp7yL/uUAkoicLiXerlnWDgrHx9L1mJWSPwmzdVJFRU+ofFXoCu3GpfpwfkzdYH9v 2mC94YDOTQ== )`
	RRSIG=34505 and DNSKEY=34505 verifies the SOA RRset

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DNSSEC Debugger

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