DNSSEC Debugger

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Time: 2026-05-16 01:40:48 UTC

Analyzing DNSSEC problems for nbc.gov

DS=20326/SHA-256 is now in the chain-of-trust

DS=38696/SHA-256 is now in the chain-of-trust

	Checking DS between Trust Anchor and .
	`. IN DS ( 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d )`
	`. IN DS ( 38696 8 2 683d2d0acb8c9b712a1948b27f741219298d0a450d612c483af444a4c0fb2b16 )`
	Query to e.root-servers.net for ./DNSKEY
	Received 1139 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 1139 octets ;; HEADER SECTION ;; id = 3560 ;; 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 AwEAAb5dDYffpgAJ8VUGLwQtWXPlQWsjIFJtCM00/XaKU+8ln+ofah3q2KxEIjvzQg+nqdxRj+8e mtPne1mtYcbFWP4Q9E+DniOJLK09R05FuzvGbrG7DDdRDUX/cedFdV7O8pFEAYpJqYNR9BCTIAV9 73DO2biauKSA31b7I2lK/woxoR1tf5cqJ4SMbJUviuHicAEoUi2ATswloZNWd5T5thmEFZnxFx7D 5UgKCY7oflS7+GU7dNJwEtmFnWYVETHN0kHXVz6aguouaAZp706YXNIoR/iTgQhmsR7XX+wL0Z8Q M2LxQIyU6vRZ06IyuJMGRMiwkSuGElbumyBt12JZbrU= ) ; keytag 54393 . 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 20260601000000 20260511000000 20326 . Psn+BsMNwRdKsw1pSQPmOm/QeUqgjveusWdT5NL9sOxccMKpzbYOgLqYNmJsOrAjj0MDy0/X/xbU gAGdRVuOt9mv4yk+TaBs7rpd0IgDZu++2bIAvxu3W82fKEKpJqLucDiPu1l+GKZ87zRYrJrQZZWk 01LmCEIIED9P62/QbhdDVIG3ZdcvXQpRPjWyQOom2tZ0APZ+59PyOxjNMgnOaeoAD8QWZ+iKVY8k o2GRoHRqrzEq46SGDh1YuFxuw67oG7mn+Mt2b9HUjYWgQCvBRSUMb4XRxhNnKQiOS4ECEXCDozMD yXk8727l6bFK0THkaFEqW64F/5CAL8adNRyUoQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAb5dDYffpgAJ8VUGLwQtWXPlQWsjIFJtCM00/XaKU+8ln+ofah3q2KxEIjvzQg+nqdxRj+8e mtPne1mtYcbFWP4Q9E+DniOJLK09R05FuzvGbrG7DDdRDUX/cedFdV7O8pFEAYpJqYNR9BCTIAV9 73DO2biauKSA31b7I2lK/woxoR1tf5cqJ4SMbJUviuHicAEoUi2ATswloZNWd5T5thmEFZnxFx7D 5UgKCY7oflS7+GU7dNJwEtmFnWYVETHN0kHXVz6aguouaAZp706YXNIoR/iTgQhmsR7XX+wL0Z8Q M2LxQIyU6vRZ06IyuJMGRMiwkSuGElbumyBt12JZbrU= ) ; keytag 54393`
	`. 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
	DNSKEY=38696/SEP is now in the chain-of-trust
	DS=38696/SHA-256 verifies DNSKEY=38696/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20260601000000 20260511000000 20326 . Psn+BsMNwRdKsw1pSQPmOm/QeUqgjveusWdT5NL9sOxccMKpzbYOgLqYNmJsOrAjj0MDy0/X/xbU gAGdRVuOt9mv4yk+TaBs7rpd0IgDZu++2bIAvxu3W82fKEKpJqLucDiPu1l+GKZ87zRYrJrQZZWk 01LmCEIIED9P62/QbhdDVIG3ZdcvXQpRPjWyQOom2tZ0APZ+59PyOxjNMgnOaeoAD8QWZ+iKVY8k o2GRoHRqrzEq46SGDh1YuFxuw67oG7mn+Mt2b9HUjYWgQCvBRSUMb4XRxhNnKQiOS4ECEXCDozMD yXk8727l6bFK0THkaFEqW64F/5CAL8adNRyUoQ== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=54393 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 = 28746 ;; 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 20260528170000 20260515160000 54393 . iIbo21EimEKQwSVMXTYYfmAzHQdYuvlf4V18/Resj9pW/kRkNZdse37vb/rYSHwWF3CGoyJ/iNbf 6NWCR4qcRDfRDMmHuFpmCZLO7zs4xNEMWDDryPQUOx8PMU0WEizOinRyL9d9PbvmDYBYd67qMbxm UCwhU5isJGlTbEo2XuqIIqGyOHPCsJqwcnXNJGBGrpS9IxpF2XpT/xTWbbtgJhsEB62Z1IJp73RX /RVQeiRi+alV/KlEIgbCB9d0+4uczmqaSt/9Z/Woot0/plZ3Rnh9fXTb4R757HVCg7Rv0GAbxypx LaiGDLaX2AiaJ+dhiQ0mqhSIKHk6wrSsTT+lmA== ) ;; 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 e.root-servers.net for gov/DNSKEY
	Received 610 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 610 octets ;; HEADER SECTION ;; id = 30003 ;; 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": 1472, ;; "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 20260528170000 20260515160000 54393 . iIbo21EimEKQwSVMXTYYfmAzHQdYuvlf4V18/Resj9pW/kRkNZdse37vb/rYSHwWF3CGoyJ/iNbf 6NWCR4qcRDfRDMmHuFpmCZLO7zs4xNEMWDDryPQUOx8PMU0WEizOinRyL9d9PbvmDYBYd67qMbxm UCwhU5isJGlTbEo2XuqIIqGyOHPCsJqwcnXNJGBGrpS9IxpF2XpT/xTWbbtgJhsEB62Z1IJp73RX /RVQeiRi+alV/KlEIgbCB9d0+4uczmqaSt/9Z/Woot0/plZ3Rnh9fXTb4R757HVCg7Rv0GAbxypx LaiGDLaX2AiaJ+dhiQ0mqhSIKHk6wrSsTT+lmA== ) ;; 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 h.root-servers.net for gov/DS
	Received 367 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 367 octets ;; HEADER SECTION ;; id = 12521 ;; 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 20260528170000 20260515160000 54393 . iIbo21EimEKQwSVMXTYYfmAzHQdYuvlf4V18/Resj9pW/kRkNZdse37vb/rYSHwWF3CGoyJ/iNbf 6NWCR4qcRDfRDMmHuFpmCZLO7zs4xNEMWDDryPQUOx8PMU0WEizOinRyL9d9PbvmDYBYd67qMbxm UCwhU5isJGlTbEo2XuqIIqGyOHPCsJqwcnXNJGBGrpS9IxpF2XpT/xTWbbtgJhsEB62Z1IJp73RX /RVQeiRi+alV/KlEIgbCB9d0+4uczmqaSt/9Z/Woot0/plZ3Rnh9fXTb4R757HVCg7Rv0GAbxypx LaiGDLaX2AiaJ+dhiQ0mqhSIKHk6wrSsTT+lmA== ) ;; 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 20260528170000 20260515160000 54393 . iIbo21EimEKQwSVMXTYYfmAzHQdYuvlf4V18/Resj9pW/kRkNZdse37vb/rYSHwWF3CGoyJ/iNbf 6NWCR4qcRDfRDMmHuFpmCZLO7zs4xNEMWDDryPQUOx8PMU0WEizOinRyL9d9PbvmDYBYd67qMbxm UCwhU5isJGlTbEo2XuqIIqGyOHPCsJqwcnXNJGBGrpS9IxpF2XpT/xTWbbtgJhsEB62Z1IJp73RX /RVQeiRi+alV/KlEIgbCB9d0+4uczmqaSt/9Z/Woot0/plZ3Rnh9fXTb4R757HVCg7Rv0GAbxypx LaiGDLaX2AiaJ+dhiQ0mqhSIKHk6wrSsTT+lmA== )`
	RRSIG=54393 and DNSKEY=54393 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 b.ns.gov for gov/DNSKEY
	Received 291 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 291 octets ;; HEADER SECTION ;; id = 24539 ;; 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 20260629110631 20260429110631 2536 gov. Qgg1Es4+aI25z77ca9+WmIAaFsRI1wiscuQzcuuAK15yizXJ6wuX65HcUGGl9pFfsu4GhrEbjll6 Nm0OGkUh0A== ) ;; 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 20260629110631 20260429110631 2536 gov. Qgg1Es4+aI25z77ca9+WmIAaFsRI1wiscuQzcuuAK15yizXJ6wuX65HcUGGl9pFfsu4GhrEbjll6 Nm0OGkUh0A== )`
	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 = 45898 ;; 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 20260517024048 20260515004048 35496 gov. qWIjAIzArNFABm1Bja2ZbmT/bQlSuIgR9XrmRF/keb5cEN4GrJg6+PqwuV50mHIjSTkE6lW+oraC VHHd577nVg== ) ;; 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 = 49310 ;; 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 20260517024048 20260515004048 35496 gov. V8P9F4nFuFgC1KZlOha1UF8vMawQQPCeIIb77EKa8Ad15uqT22p6AmA2cED9kEOkLOy9rTt0c4/T edltbkgn4A== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone nbc.gov

nbc.gov

	Checking DS between gov and nbc.gov
	Query to c.ns.gov for nbc.gov/DS
	Received 183 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 183 octets ;; HEADER SECTION ;; id = 50648 ;; 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 20260517024048 20260515004048 35496 gov. 9xaZm8hFs17TNnGykm/iBjb/u8NjnewiT/F+AZ+mcmZj70RUJHTHmAdru7Fca1peF3iaIXkQtcQ/ YsjHiV7kFA== ) ;; 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 20260517024048 20260515004048 35496 gov. 9xaZm8hFs17TNnGykm/iBjb/u8NjnewiT/F+AZ+mcmZj70RUJHTHmAdru7Fca1peF3iaIXkQtcQ/ YsjHiV7kFA== )`
	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 108.162.193.247
	;; Response received from [108.162.193.247] 299 octets ;; HEADER SECTION ;; id = 44396 ;; 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 20260627194408 20260427194408 2371 nbc.gov. bxoqsfTEPpCSJcMrRF/O0iV/0pGKDlBsklG08K/rEBQVyhehnNQPrVNf3UTz2Lgavwikf7/Y4o+r oEk25cJExQ== ) ;; 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 20260627194408 20260427194408 2371 nbc.gov. bxoqsfTEPpCSJcMrRF/O0iV/0pGKDlBsklG08K/rEBQVyhehnNQPrVNf3UTz2Lgavwikf7/Y4o+r oEk25cJExQ== )`
	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 = 52375 ;; 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. 2403449501 ;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 20260517024048 20260515004048 34505 nbc.gov. 6hbJOcQDY8xYFgOZXRo+oyOokLOUM5IndUSFBPxWI858rKHQAtM0zkPOqMGp/1sijh1g67cnxgk4 leqK9yUpxA== ) nbc.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20260517024048 20260515004048 34505 nbc.gov. QNYetjLZi0CZd4ryEiwNFdpDXtcSScaj2Fgkv0SEKlp3XAUZ3M487dclOtKL73dVB9h0dN3+X31w FboTIcb9aQ== ) ;; 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 173.245.58.189
	;; Response received from [173.245.58.189] 200 octets ;; HEADER SECTION ;; id = 39267 ;; 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. 2403449501 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) nbc.gov. 1800 IN RRSIG ( SOA 13 2 1800 20260517024048 20260515004048 34505 nbc.gov. 2IivpZ1a6S3hM/d7RtY/Tt7RG8Th7lIbHTtp8/8ZEfgjADYmENtqSZgCJf6JfHpcw6ljTHSHzAmE 4FJ2E0PCUQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to west.ns.cloudflare.com for nbc.gov/A
	Checking NSEC records for a NODATA response
	Found 1 RRSIGs over NSEC RRset
	`nbc.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20260517024048 20260515004048 34505 nbc.gov. QNYetjLZi0CZd4ryEiwNFdpDXtcSScaj2Fgkv0SEKlp3XAUZ3M487dclOtKL73dVB9h0dN3+X31w FboTIcb9aQ== )`
	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 20260517024048 20260515004048 34505 nbc.gov. 6hbJOcQDY8xYFgOZXRo+oyOokLOUM5IndUSFBPxWI858rKHQAtM0zkPOqMGp/1sijh1g67cnxgk4 leqK9yUpxA== )`
	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 173.245.58.189
	;; Response received from [173.245.58.189] 340 octets ;; HEADER SECTION ;; id = 25417 ;; 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. 2403449501 ;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 20260517024048 20260515004048 34505 nbc.gov. 2R52xbVrh2limCwz6+buYpgexvay8+nI08TcbRusQOpmdHnvBrgQxjHeSb28DT8CurPEIFgD5gK0 2av12YAwaQ== ) nbc.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20260517024048 20260515004048 34505 nbc.gov. RCa77brZI3B6YvMFzZ4PHZYUGPeTwGL46hZtKcZoeKq2rOEtLqw9KdhQ97RdNQdHms2YcHpic7df 7PYqCGCOKw== ) ;; 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
	Checking NSEC records for a NODATA response
	Found 1 RRSIGs over NSEC RRset
	`nbc.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20260517024048 20260515004048 34505 nbc.gov. RCa77brZI3B6YvMFzZ4PHZYUGPeTwGL46hZtKcZoeKq2rOEtLqw9KdhQ97RdNQdHms2YcHpic7df 7PYqCGCOKw== )`
	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 20260517024048 20260515004048 34505 nbc.gov. 2R52xbVrh2limCwz6+buYpgexvay8+nI08TcbRusQOpmdHnvBrgQxjHeSb28DT8CurPEIFgD5gK0 2av12YAwaQ== )`
	RRSIG=34505 and DNSKEY=34505 verifies the SOA RRset

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DNSSEC Debugger

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