DNSSEC Debugger

Domain Name:

Time: 2026-02-23 04:36:11 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 m.root-servers.net for ./DNSKEY
	Received 1141 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 1141 octets ;; HEADER SECTION ;; id = 3093 ;; 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": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 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 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20260313000000 20260220000000 20326 . JZtm46fb0oPZQLxBUHYEG5Fv0arLLlu7lUpYjsEPdGrggxWWMbB/rA0CbLCsZ0+rk84t5BvOtfPd mBDhJiDQhzJSRK8l8u0roT79KnJU81H+Hdzg+/095yK9djpihg/72I9UyJO3UU1SIdmxzriTE15z Tz/QrKKLME3vp5lBSPkggMMrRkKNW2rpL1JgD6bsXNqJLEHTfpNRGX0EbEKW9VKK27rXxXFa3r0X V2mvOrNiDOCN1nl1YTHWOkuNGxpKlv+kDwrDyGs5Z8WJb4gm47O1xOijfna5dzlEXAjqahKboJsF kMHrQdSnYG0XcTdxhAAMnQjbxDfBEeowXrOt8w== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	`. 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 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 20260313000000 20260220000000 20326 . JZtm46fb0oPZQLxBUHYEG5Fv0arLLlu7lUpYjsEPdGrggxWWMbB/rA0CbLCsZ0+rk84t5BvOtfPd mBDhJiDQhzJSRK8l8u0roT79KnJU81H+Hdzg+/095yK9djpihg/72I9UyJO3UU1SIdmxzriTE15z Tz/QrKKLME3vp5lBSPkggMMrRkKNW2rpL1JgD6bsXNqJLEHTfpNRGX0EbEKW9VKK27rXxXFa3r0X V2mvOrNiDOCN1nl1YTHWOkuNGxpKlv+kDwrDyGs5Z8WJb4gm47O1xOijfna5dzlEXAjqahKboJsF kMHrQdSnYG0XcTdxhAAMnQjbxDfBEeowXrOt8w== )`
	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 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 = 49094 ;; 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 20260307170000 20260222160000 21831 . iNEVt90L3tqr3i4eQ07otLuJfszsqVrU+kUXbSWkPKG7P1+bo5iLGOR8nb8uHDWqO2Lwnk7OUxOd gLs7tEmLWJ/pt2ozKYp16W+jXrOVEhrrJOIcFPAvp+VIOLoQzBCX0odXeR+aTytovQWPx7OCNPxr Pxe1K+Yp71QqvPGgXJJDJ6X53yOFjpuJiRlLMe4BubrjdbaE+j5gpAONjjtD/8VWrfknPr8NYM4B g13SERdkc7OlfzkD75pVV98e1JtlNEJXI9ucCoEv6wlnpgX8lkaGIJmNz+Gz9RUlVF6fKLw0fNNt sLB6SXiw8EFQX/PgbPnWsG48aRx8tOY01qDKIA== ) ;; 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 l.root-servers.net for GOV/DNSKEY
	Received 610 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 610 octets ;; HEADER SECTION ;; id = 49820 ;; 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 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 20260307170000 20260222160000 21831 . iNEVt90L3tqr3i4eQ07otLuJfszsqVrU+kUXbSWkPKG7P1+bo5iLGOR8nb8uHDWqO2Lwnk7OUxOd gLs7tEmLWJ/pt2ozKYp16W+jXrOVEhrrJOIcFPAvp+VIOLoQzBCX0odXeR+aTytovQWPx7OCNPxr Pxe1K+Yp71QqvPGgXJJDJ6X53yOFjpuJiRlLMe4BubrjdbaE+j5gpAONjjtD/8VWrfknPr8NYM4B g13SERdkc7OlfzkD75pVV98e1JtlNEJXI9ucCoEv6wlnpgX8lkaGIJmNz+Gz9RUlVF6fKLw0fNNt sLB6SXiw8EFQX/PgbPnWsG48aRx8tOY01qDKIA== ) ;; 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 }
	Found child zone GOV

GOV

	Checking DS between . and GOV
	Query to a.root-servers.net for GOV/DS
	Received 367 bytes from 198.41.0.4
	;; Response received from [198.41.0.4] 367 octets ;; HEADER SECTION ;; id = 24816 ;; 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": 4096, ;; "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 20260307170000 20260222160000 21831 . iNEVt90L3tqr3i4eQ07otLuJfszsqVrU+kUXbSWkPKG7P1+bo5iLGOR8nb8uHDWqO2Lwnk7OUxOd gLs7tEmLWJ/pt2ozKYp16W+jXrOVEhrrJOIcFPAvp+VIOLoQzBCX0odXeR+aTytovQWPx7OCNPxr Pxe1K+Yp71QqvPGgXJJDJ6X53yOFjpuJiRlLMe4BubrjdbaE+j5gpAONjjtD/8VWrfknPr8NYM4B g13SERdkc7OlfzkD75pVV98e1JtlNEJXI9ucCoEv6wlnpgX8lkaGIJmNz+Gz9RUlVF6fKLw0fNNt sLB6SXiw8EFQX/PgbPnWsG48aRx8tOY01qDKIA== ) ;; 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 20260307170000 20260222160000 21831 . iNEVt90L3tqr3i4eQ07otLuJfszsqVrU+kUXbSWkPKG7P1+bo5iLGOR8nb8uHDWqO2Lwnk7OUxOd gLs7tEmLWJ/pt2ozKYp16W+jXrOVEhrrJOIcFPAvp+VIOLoQzBCX0odXeR+aTytovQWPx7OCNPxr Pxe1K+Yp71QqvPGgXJJDJ6X53yOFjpuJiRlLMe4BubrjdbaE+j5gpAONjjtD/8VWrfknPr8NYM4B g13SERdkc7OlfzkD75pVV98e1JtlNEJXI9ucCoEv6wlnpgX8lkaGIJmNz+Gz9RUlVF6fKLw0fNNt sLB6SXiw8EFQX/PgbPnWsG48aRx8tOY01qDKIA== )`
	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 = 22065 ;; 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 20260418110625 20260216110625 2536 gov. I0iSDDCNvKVMZA6sNbu/vSpxFxExdKw4wolKgp9n5lVU+L+LLIrgFsg7MfMTRCgrMX1UDqFBsElS w+yMvE1WnQ== ) ;; 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 20260418110625 20260216110625 2536 gov. I0iSDDCNvKVMZA6sNbu/vSpxFxExdKw4wolKgp9n5lVU+L+LLIrgFsg7MfMTRCgrMX1UDqFBsElS w+yMvE1WnQ== )`
	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 = 62256 ;; 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 20260224053611 20260222033611 35496 gov. OqI6Dn25Vg/s+F05tVTXZGnMeT37tUR6Ec82RiSDdY8KF0ixpG6PXdPoowzcQjaxARPFQCrEsowY PFctrodgPw== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to c.ns.GOV for NBC.GOV/DNSKEY
	Received 237 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 237 octets ;; HEADER SECTION ;; id = 58176 ;; 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 20260224053611 20260222033611 35496 gov. rg9wN9gDXuy51G2OCKSgBILQJdyM+F+t7jH4jg6QxoFKuO0nsng/h/U4s9v6LNJ40yzwv8GnFTMd ntwLmUhTlg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone NBC.GOV

NBC.GOV

	Checking DS between GOV and NBC.GOV
	Query to a.ns.GOV for NBC.GOV/DS
	Received 183 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 183 octets ;; HEADER SECTION ;; id = 60509 ;; 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 20260224053611 20260222033611 35496 gov. M+sMaX7cfcvaJ+x3jb2yj/rB6xsrxv2rMyI+UnAi3YwGCsLeHhDm87anQ61s625HEM7cNvCnpg6P BIEbmh9bBw== ) ;; 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 20260224053611 20260222033611 35496 gov. M+sMaX7cfcvaJ+x3jb2yj/rB6xsrxv2rMyI+UnAi3YwGCsLeHhDm87anQ61s625HEM7cNvCnpg6P BIEbmh9bBw== )`
	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 = 19880 ;; 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 20260416194402 20260214194402 2371 nbc.gov. GKM3gMxEXny8VXVAzZUc+OLeze8a+LO+MFP3Jw7TRmrxgFSIHoDroLyEXhk0gjaHTpVYAUyRliOa lcybmjPtTg== ) ;; 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 20260416194402 20260214194402 2371 nbc.gov. GKM3gMxEXny8VXVAzZUc+OLeze8a+LO+MFP3Jw7TRmrxgFSIHoDroLyEXhk0gjaHTpVYAUyRliOa lcybmjPtTg== )`
	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 173.245.59.247
	;; Response received from [173.245.59.247] 340 octets ;; HEADER SECTION ;; id = 11313 ;; 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. 2396684761 ;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 20260224053611 20260222033611 34505 nbc.gov. Fg9ar/Rw2Zpbu9MzzhVM6yy+iTtug3Dd+aJV77z98QqQ6x0M211Ef49sufh7895PK61xMn0kWE1W 4lAce6MT6Q== ) NBC.GOV. 1800 IN RRSIG ( SOA 13 2 1800 20260224053611 20260222033611 34505 nbc.gov. rg4RRYV5YNUvgFk04BCXnZGux9gDiv+7XmXG7s4hkkl+1f12jR9hKCUvmlaRBHDbPbmTdGKvXckT bOQufY9ogw== ) ;; 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 = 52244 ;; 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. 2396684761 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) NBC.GOV. 1800 IN RRSIG ( SOA 13 2 1800 20260224053611 20260222033611 34505 nbc.gov. ZXo0e0iwlF3aOBWi+Ah34PgzpJApncm6rfJlFxolYLCSCiPqNx9gPyfxmrtOmO1B9UStUKAjGl2j cw+TrMZEnQ== ) ;; 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 = 19736 ;; 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. 2396684761 ;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 20260224053611 20260222033611 34505 nbc.gov. EHYVCwVfiI5EczmrLO7LA1a2FAxfDGk9M0LNLbYAta+74vPtbBs4+TSMC/OJSMQl7x/iqqsWx1hP AI/x4PF5og== ) NBC.GOV. 1800 IN RRSIG ( NSEC 13 2 1800 20260224053611 20260222033611 34505 nbc.gov. ++8/ecG567Bz9+SGsBs6SrAyZeelWUl4w401Zhypd8YeDYvuwdWXgS/H6INQFZODpZxYx3hIIPgB CAxgdFUbpA== ) ;; 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 20260224053611 20260222033611 34505 nbc.gov. ++8/ecG567Bz9+SGsBs6SrAyZeelWUl4w401Zhypd8YeDYvuwdWXgS/H6INQFZODpZxYx3hIIPgB CAxgdFUbpA== )`
	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 20260224053611 20260222033611 34505 nbc.gov. rg4RRYV5YNUvgFk04BCXnZGux9gDiv+7XmXG7s4hkkl+1f12jR9hKCUvmlaRBHDbPbmTdGKvXckT bOQufY9ogw== )`
	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 172.64.32.189
	;; Response received from [172.64.32.189] 340 octets ;; HEADER SECTION ;; id = 27419 ;; 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. 2396684761 ;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 20260224053611 20260222033611 34505 nbc.gov. txAAOdHGzLrBjUFvtcFlwdIcR7E0y9DFMC1wFyGXiEKBhzH+HoaVG9XEhNF6Zp88L1f8uggcmy6u twGIk5WY6A== ) NBC.GOV. 1800 IN RRSIG ( SOA 13 2 1800 20260224053611 20260222033611 34505 nbc.gov. SNG5G+bpFgckdTyBb8sbEe6MVR6HzUSt+bcaWLSgYhKG8yedfZNnugdstMSCbX7VnRiLwATsKT4W 2dqSW+0bSA== ) ;; 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 = 10294 ;; 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. 2396684761 ;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 20260224053611 20260222033611 34505 nbc.gov. Y2QoPEfwaCpSWVm8CWkI1HTQ8MB9/y2OeQonMYbro9Z+Y00dO/T3XkREMEcsemIM/zvyBuu29s/K senOc4U9gQ== ) NBC.GOV. 1800 IN RRSIG ( NSEC 13 2 1800 20260224053611 20260222033611 34505 nbc.gov. w4iGETbwxGDkl+DdVvEUnT6LHGXDfxXiQ3iRDaKziosYiaZ7vl3/5WjkjmOEaWmBR/I/EEe68YXh LmYTxK+Hxw== ) ;; 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 20260224053611 20260222033611 34505 nbc.gov. w4iGETbwxGDkl+DdVvEUnT6LHGXDfxXiQ3iRDaKziosYiaZ7vl3/5WjkjmOEaWmBR/I/EEe68YXh LmYTxK+Hxw== )`
	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 20260224053611 20260222033611 34505 nbc.gov. SNG5G+bpFgckdTyBb8sbEe6MVR6HzUSt+bcaWLSgYhKG8yedfZNnugdstMSCbX7VnRiLwATsKT4W 2dqSW+0bSA== )`
	RRSIG=34505 and DNSKEY=34505 verifies the SOA RRset

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DNSSEC Debugger

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