DNSSEC Debugger

Domain Name:

Time: 2026-01-16 05:35:04 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 j.root-servers.net for ./DNSKEY
	Received 1139 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 1139 octets ;; HEADER SECTION ;; id = 2721 ;; 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": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831 . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 172800 IN 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 20260201000000 20260111000000 20326 . o5fb3sEBXqMp65iz/RYeHunfketTsbyKhRLUWAiB6chftQ2eNH4VI00qEw67TN2CdVW/V5TCrYSg aGS0iGFHQO230lhtKq11eAD2LYTkDLvVDVejbxNz9maZy98L2xhLvkE2L2Aaz+GgqjHy9VEb6nc+ mtfCNpr2H0/Yet6Mgie6pTOCXE++1tf4g8NWsEx0nE41pwURB7UbC9ssYdsgnYqaTzUwRVxbij99 BCxIDKoEnwNCQBJFqSkr7AKzEtuu8F1ktgFIMcgkWnRAnNFLtLrG8gOoJw8PfpDoFI/Qc0RJddKB /s4akfSood+kpPKR4HNossFw5UTQuDuarMGxuA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	`. 172800 IN 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 20260201000000 20260111000000 20326 . o5fb3sEBXqMp65iz/RYeHunfketTsbyKhRLUWAiB6chftQ2eNH4VI00qEw67TN2CdVW/V5TCrYSg aGS0iGFHQO230lhtKq11eAD2LYTkDLvVDVejbxNz9maZy98L2xhLvkE2L2Aaz+GgqjHy9VEb6nc+ mtfCNpr2H0/Yet6Mgie6pTOCXE++1tf4g8NWsEx0nE41pwURB7UbC9ssYdsgnYqaTzUwRVxbij99 BCxIDKoEnwNCQBJFqSkr7AKzEtuu8F1ktgFIMcgkWnRAnNFLtLrG8gOoJw8PfpDoFI/Qc0RJddKB /s4akfSood+kpPKR4HNossFw5UTQuDuarMGxuA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=21831 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to b.root-servers.net for nbc.gov/A
	Received 614 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 614 octets ;; HEADER SECTION ;; id = 30647 ;; 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 20260128210000 20260115200000 21831 . feaTFPWP3SLeQN07/9nC+vNA7lBSdQG+z+CIMjhJieO4SF/l+NS3RBsGZTq7qqTmI681VAhGjRBr iSxpA+MQPJymoiFTDCgFAgkWqCj9vHSNd3+dn3ju/r2ilsWnjKMSUKtIo/RUXjgNIYw7a8i8mXfW Q24KAg2OQFccNAvBoFDgstkBxc9zMgKNs44oIEEi9gtXk2zXyUSFIKHhnqV2MyquGq6jn34uGR2U J6tfR0XJhkL0yYw4KDoYU5ae06QTv8Izj17jZH7PTgj+JQP4V/HIhpWCRcN7KPEvHQZ0uahP+cKb pd/3onK2F3K3FnnltACkYtH+BI5lnG+guFcJCg== ) ;; 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 m.root-servers.net for gov/DNSKEY
	Received 613 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 613 octets ;; HEADER SECTION ;; id = 4849 ;; 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 d.ns.gov. gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS b.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20260128210000 20260115200000 21831 . feaTFPWP3SLeQN07/9nC+vNA7lBSdQG+z+CIMjhJieO4SF/l+NS3RBsGZTq7qqTmI681VAhGjRBr iSxpA+MQPJymoiFTDCgFAgkWqCj9vHSNd3+dn3ju/r2ilsWnjKMSUKtIo/RUXjgNIYw7a8i8mXfW Q24KAg2OQFccNAvBoFDgstkBxc9zMgKNs44oIEEi9gtXk2zXyUSFIKHhnqV2MyquGq6jn34uGR2U J6tfR0XJhkL0yYw4KDoYU5ae06QTv8Izj17jZH7PTgj+JQP4V/HIhpWCRcN7KPEvHQZ0uahP+cKb pd/3onK2F3K3FnnltACkYtH+BI5lnG+guFcJCg== ) ;; 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 j.root-servers.net for gov/DS
	Received 367 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 367 octets ;; HEADER SECTION ;; id = 29595 ;; 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": 1472, ;; "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 20260128210000 20260115200000 21831 . feaTFPWP3SLeQN07/9nC+vNA7lBSdQG+z+CIMjhJieO4SF/l+NS3RBsGZTq7qqTmI681VAhGjRBr iSxpA+MQPJymoiFTDCgFAgkWqCj9vHSNd3+dn3ju/r2ilsWnjKMSUKtIo/RUXjgNIYw7a8i8mXfW Q24KAg2OQFccNAvBoFDgstkBxc9zMgKNs44oIEEi9gtXk2zXyUSFIKHhnqV2MyquGq6jn34uGR2U J6tfR0XJhkL0yYw4KDoYU5ae06QTv8Izj17jZH7PTgj+JQP4V/HIhpWCRcN7KPEvHQZ0uahP+cKb pd/3onK2F3K3FnnltACkYtH+BI5lnG+guFcJCg== ) ;; 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 20260128210000 20260115200000 21831 . feaTFPWP3SLeQN07/9nC+vNA7lBSdQG+z+CIMjhJieO4SF/l+NS3RBsGZTq7qqTmI681VAhGjRBr iSxpA+MQPJymoiFTDCgFAgkWqCj9vHSNd3+dn3ju/r2ilsWnjKMSUKtIo/RUXjgNIYw7a8i8mXfW Q24KAg2OQFccNAvBoFDgstkBxc9zMgKNs44oIEEi9gtXk2zXyUSFIKHhnqV2MyquGq6jn34uGR2U J6tfR0XJhkL0yYw4KDoYU5ae06QTv8Izj17jZH7PTgj+JQP4V/HIhpWCRcN7KPEvHQZ0uahP+cKb pd/3onK2F3K3FnnltACkYtH+BI5lnG+guFcJCg== )`
	RRSIG=21831 and DNSKEY=21831 verifies the DS RRset
	DS=2536/SHA-256 is now in the chain-of-trust
	`gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 )`
	Query to d.ns.gov for gov/DNSKEY
	Received 291 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 291 octets ;; HEADER SECTION ;; id = 35654 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (3 records) gov. 3600 IN DNSKEY ( 257 3 13 D6ZhJTObQw3+kcewWf5iTHbzD3uTdbs5xf0kQfP/VXZcDovWJd0DUgHlp2VC002aLDCwhLoPPVN2 VfyoPnjCqg== ) ; keytag 2536 gov. 3600 IN DNSKEY ( 256 3 13 Of5kU9k4XfdcPwCK9k/zRJNu+Xspnw/BDd+1V6ZpDXRIpHe35BnHTZUBJN9gd6++HkiGXx2YnTji iO7/q+Yamg== ) ; keytag 35496 gov. 3600 IN RRSIG ( DNSKEY 13 1 3600 20260301110621 20251230110621 2536 gov. iCtKgojxRJ3aC+zRkeRtYN8ULchb9nyn0dGHPebhgcZI66aNxjbxFRdkFaPdfb7Jm2tyceq+I9oR dhCENtiufw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for gov
	`gov. 3600 IN DNSKEY ( 257 3 13 D6ZhJTObQw3+kcewWf5iTHbzD3uTdbs5xf0kQfP/VXZcDovWJd0DUgHlp2VC002aLDCwhLoPPVN2 VfyoPnjCqg== ) ; keytag 2536`
	`gov. 3600 IN DNSKEY ( 256 3 13 Of5kU9k4XfdcPwCK9k/zRJNu+Xspnw/BDd+1V6ZpDXRIpHe35BnHTZUBJN9gd6++HkiGXx2YnTji iO7/q+Yamg== ) ; keytag 35496`
	DNSKEY=2536/SEP is now in the chain-of-trust
	DS=2536/SHA-256 verifies DNSKEY=2536/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`gov. 3600 IN RRSIG ( DNSKEY 13 1 3600 20260301110621 20251230110621 2536 gov. iCtKgojxRJ3aC+zRkeRtYN8ULchb9nyn0dGHPebhgcZI66aNxjbxFRdkFaPdfb7Jm2tyceq+I9oR dhCENtiufw== )`
	RRSIG=2536 and DNSKEY=2536/SEP verifies the DNSKEY RRset
	DNSKEY=35496 is now in the chain-of-trust
	Query to c.ns.gov for nbc.gov/A
	Received 237 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 237 octets ;; HEADER SECTION ;; id = 65370 ;; 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 20260117063504 20260115043504 35496 gov. TVmuiP17yx2A0QP7wRMNu2LwECG+WUeaQdnvkiOmfTPaoZfT7ysKzk5tVo/xIQdgIH2O/FUCPX8k +nUfdGoZtg== ) ;; 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 = 60108 ;; 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 20260117063504 20260115043504 35496 gov. kTjA4WEbhikRgclId+H46Ri9VP/mVt8ZOmeJtmzHBtyDpi6j1S7iWIJYsbBaYtfodn3oWxmKOhgr cU/GiS7FCA== ) ;; 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 = 17656 ;; 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 20260117063504 20260115043504 35496 gov. 5Xh79M1TsjFOcAzcEbYzM7yP1hVUeaEGawPV8ROBGmva2hoceBxRfyox0d1XAymGO0N44cbMdpmQ 8re8QDFz7A== ) ;; 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 20260117063504 20260115043504 35496 gov. 5Xh79M1TsjFOcAzcEbYzM7yP1hVUeaEGawPV8ROBGmva2hoceBxRfyox0d1XAymGO0N44cbMdpmQ 8re8QDFz7A== )`
	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 = 11898 ;; 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 20260227194354 20251228194354 2371 nbc.gov. p3CXeW4iU/KKhAs6nzl3qc9D0X090PFmAb6OFIiuf7luHTi8Grq4OMHZj2HtblOYXJxr4HBvvLc3 JPhd9sypLA== ) ;; 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 20260227194354 20251228194354 2371 nbc.gov. p3CXeW4iU/KKhAs6nzl3qc9D0X090PFmAb6OFIiuf7luHTi8Grq4OMHZj2HtblOYXJxr4HBvvLc3 JPhd9sypLA== )`
	RRSIG=2371 and DNSKEY=2371/SEP verifies the DNSKEY RRset
	DNSKEY=34505 is now in the chain-of-trust
	Query to liz.ns.cloudflare.com for nbc.gov/A
	Received 340 bytes from 173.245.58.189
	;; Response received from [173.245.58.189] 340 octets ;; HEADER SECTION ;; id = 33444 ;; 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. 2393224620 ;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 20260117063504 20260115043504 34505 nbc.gov. mX0GCNY1qI6T2eScCjeK24/rKi04v7tkdsv9FQXzjizgjSX/q9kFnIIEcM516g0RjaV3iw7RixGo 2M1qheshLA== ) nbc.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20260117063504 20260115043504 34505 nbc.gov. k7qAsa2odPo0m25f2Jrk/8N6ZTy3VDLXRcBjU7e40CObOawGJIobKklizp9GadJcot+5nFRxeDHk JDYqCvTUCw== ) ;; 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 west.ns.cloudflare.com for nbc.gov/SOA
	Received 200 bytes from 173.245.59.247
	;; Response received from [173.245.59.247] 200 octets ;; HEADER SECTION ;; id = 19138 ;; 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. 2393224620 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) nbc.gov. 1800 IN RRSIG ( SOA 13 2 1800 20260117063504 20260115043504 34505 nbc.gov. TR/FpPtwuUJNfEBvaBmZbGl9bKyZppMadqRx1tfE10kpFoirwx2vUTgkoZY8LUxpXj2t+tmEK7Ya cGb81uUqog== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 = 39228 ;; 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. 2393224620 ;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 ( NSEC 13 2 1800 20260117063504 20260115043504 34505 nbc.gov. esM0po4zRCf+p2XOT5jGdupKJ+ah7bWUE462y/Y2g6ahS6lZYR/7s4Gn+49Vipvfj8vOP+q41Ggq 2gOyn2YgQQ== ) nbc.gov. 1800 IN RRSIG ( SOA 13 2 1800 20260117063504 20260115043504 34505 nbc.gov. ZGplJOhDdLVHqk1vhSlLNbVY+vvGY83ygTxju5Gxy4bqIlLWS/64bYu6dfNf5Xrnh3hzavljIXdc fAaUEqUCXA== ) ;; 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 20260117063504 20260115043504 34505 nbc.gov. esM0po4zRCf+p2XOT5jGdupKJ+ah7bWUE462y/Y2g6ahS6lZYR/7s4Gn+49Vipvfj8vOP+q41Ggq 2gOyn2YgQQ== )`
	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 20260117063504 20260115043504 34505 nbc.gov. mX0GCNY1qI6T2eScCjeK24/rKi04v7tkdsv9FQXzjizgjSX/q9kFnIIEcM516g0RjaV3iw7RixGo 2M1qheshLA== )`
	RRSIG=34505 and DNSKEY=34505 verifies the SOA RRset

nbc.gov

	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 = 26829 ;; 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. 2393224620 ;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 20260117063504 20260115043504 34505 nbc.gov. ha7mdNFnHxTZlx61fhTwXaqUZo6g1mb1SSOSW2K+C0sZw64vpij5OFh5WrxcZ+eVTzMh3PGoppop kPX2nRDipw== ) nbc.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20260117063504 20260115043504 34505 nbc.gov. ji+ns59uH/Zi0M/SEJiFZdY2hhgcPQ/ye+M+C6mGhXFlE8kBVXnKgWb1iQ9I23prEnwKDlZSiwVZ HJpteR4Pkg== ) ;; 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 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 = 8851 ;; 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. 2393224620 ;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 20260117063504 20260115043504 34505 nbc.gov. VBBqJUohYsPuNtz1O7zuSDUvn5vFDS44Yw9h3MVChAvBv/j0HHslPI245KRY9xkqJn3DODz2r/Kd Heoz+pRc6Q== ) nbc.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20260117063504 20260115043504 34505 nbc.gov. HMDp0Fz6iFrfzzvBwwd3SVuDjrgu5NsYAZeuSUf0UD7CKHZtVP/Oh8Cvfb9aE575omZRBI47sAl0 BWLxxAGUbg== ) ;; 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 20260117063504 20260115043504 34505 nbc.gov. HMDp0Fz6iFrfzzvBwwd3SVuDjrgu5NsYAZeuSUf0UD7CKHZtVP/Oh8Cvfb9aE575omZRBI47sAl0 BWLxxAGUbg== )`
	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 20260117063504 20260115043504 34505 nbc.gov. ha7mdNFnHxTZlx61fhTwXaqUZo6g1mb1SSOSW2K+C0sZw64vpij5OFh5WrxcZ+eVTzMh3PGoppop kPX2nRDipw== )`
	RRSIG=34505 and DNSKEY=34505 verifies the SOA RRset

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DNSSEC Debugger

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