DNSSEC Debugger

Domain Name:

Time: 2025-11-01 06:11:19 UTC

Analyzing DNSSEC problems for iat.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 i.root-servers.net for ./DNSKEY
	Received 1141 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 1141 octets ;; HEADER SECTION ;; id = 11004 ;; 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 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 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 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20251121000000 20251031000000 20326 . qnzPUNeV8plQe0Se5Fa0uHS0Ygf4DSnEekaMeH7GQRbNhk6ntkneJFKUN+EBJQfd/JoaY//18qf4 G6YrWE/a+FwJ5oefafEhuJWhITrXMle9e4oy4Z7sjb7e1ajwGSKlcfp0Rsulv/aPlLLfl+4jUijr zzZUvUJA10LzOwswvjI16xA3HMG9rEh0mKY0RywLI+R5NkYgDzY0QGL9BMaUHWNV+eTFBmMpmg3j jKGnIg8jmFhqcypUqLXW7md/oO+k0A8QG39nGvhx7rVDUoaQd7atJH2jtzGeXW8n/XI/ncI9fSoX rLXu6NvJY5bX6dXI9ypg+sFnkF7Fd4TdZ8AasA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	`. 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 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809`
	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 20251121000000 20251031000000 20326 . qnzPUNeV8plQe0Se5Fa0uHS0Ygf4DSnEekaMeH7GQRbNhk6ntkneJFKUN+EBJQfd/JoaY//18qf4 G6YrWE/a+FwJ5oefafEhuJWhITrXMle9e4oy4Z7sjb7e1ajwGSKlcfp0Rsulv/aPlLLfl+4jUijr zzZUvUJA10LzOwswvjI16xA3HMG9rEh0mKY0RywLI+R5NkYgDzY0QGL9BMaUHWNV+eTFBmMpmg3j jKGnIg8jmFhqcypUqLXW7md/oO+k0A8QG39nGvhx7rVDUoaQd7atJH2jtzGeXW8n/XI/ncI9fSoX rLXu6NvJY5bX6dXI9ypg+sFnkF7Fd4TdZ8AasA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=38696/SEP is now in the chain-of-trust
	DNSKEY=61809 is now in the chain-of-trust
	Query to j.root-servers.net for iat.gov/A
	Received 614 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 614 octets ;; HEADER SECTION ;; id = 18577 ;; 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) ;; iat.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 20251114050000 20251101040000 61809 . aOnoHGoF4/NZddE1311Dnp+rFroCKJ7xq+IjLB+9rZ02FKRSTUf0MnBDtTB2sIpSpg5d36xKwL55 f3lFqGUcPh2NX5Z7JIsTc5TUVHjWgeXxTEG7ofw2rIjxdkN5si/9/QMKrRbgzxABgSkmMUiGchVI NQ+nZApK+hnSGvugQ4a67flQlvkE9RcZAb3s3fue7Tt0gE8AqHpC7ZJWXNaEa9yP9ypU3WVbFUdX dnpjApAZfO9MTBJeHCc8Fu/AMEPITW0cOORkddFqB1oUCsH77CHTzzH97Sm1QDTJ6iiXp++JB9VO 3+gwKaH9xSyBNWvG/XoK1DpdRZ+SnLW9k1O+QA== ) ;; 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 h.root-servers.net for gov/DNSKEY
	Received 610 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 610 octets ;; HEADER SECTION ;; id = 21781 ;; 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 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 20251114050000 20251101040000 61809 . aOnoHGoF4/NZddE1311Dnp+rFroCKJ7xq+IjLB+9rZ02FKRSTUf0MnBDtTB2sIpSpg5d36xKwL55 f3lFqGUcPh2NX5Z7JIsTc5TUVHjWgeXxTEG7ofw2rIjxdkN5si/9/QMKrRbgzxABgSkmMUiGchVI NQ+nZApK+hnSGvugQ4a67flQlvkE9RcZAb3s3fue7Tt0gE8AqHpC7ZJWXNaEa9yP9ypU3WVbFUdX dnpjApAZfO9MTBJeHCc8Fu/AMEPITW0cOORkddFqB1oUCsH77CHTzzH97Sm1QDTJ6iiXp++JB9VO 3+gwKaH9xSyBNWvG/XoK1DpdRZ+SnLW9k1O+QA== ) ;; 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 }
	Found child zone gov

gov

	Checking DS between . and gov
	Query to f.root-servers.net for gov/DS
	Received 367 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 367 octets ;; HEADER SECTION ;; id = 41053 ;; 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 20251114050000 20251101040000 61809 . aOnoHGoF4/NZddE1311Dnp+rFroCKJ7xq+IjLB+9rZ02FKRSTUf0MnBDtTB2sIpSpg5d36xKwL55 f3lFqGUcPh2NX5Z7JIsTc5TUVHjWgeXxTEG7ofw2rIjxdkN5si/9/QMKrRbgzxABgSkmMUiGchVI NQ+nZApK+hnSGvugQ4a67flQlvkE9RcZAb3s3fue7Tt0gE8AqHpC7ZJWXNaEa9yP9ypU3WVbFUdX dnpjApAZfO9MTBJeHCc8Fu/AMEPITW0cOORkddFqB1oUCsH77CHTzzH97Sm1QDTJ6iiXp++JB9VO 3+gwKaH9xSyBNWvG/XoK1DpdRZ+SnLW9k1O+QA== ) ;; 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 20251114050000 20251101040000 61809 . aOnoHGoF4/NZddE1311Dnp+rFroCKJ7xq+IjLB+9rZ02FKRSTUf0MnBDtTB2sIpSpg5d36xKwL55 f3lFqGUcPh2NX5Z7JIsTc5TUVHjWgeXxTEG7ofw2rIjxdkN5si/9/QMKrRbgzxABgSkmMUiGchVI NQ+nZApK+hnSGvugQ4a67flQlvkE9RcZAb3s3fue7Tt0gE8AqHpC7ZJWXNaEa9yP9ypU3WVbFUdX dnpjApAZfO9MTBJeHCc8Fu/AMEPITW0cOORkddFqB1oUCsH77CHTzzH97Sm1QDTJ6iiXp++JB9VO 3+gwKaH9xSyBNWvG/XoK1DpdRZ+SnLW9k1O+QA== )`
	RRSIG=61809 and DNSKEY=61809 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 = 18802 ;; 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 20251219110613 20251019110613 2536 gov. j3FRDkQ+/qhx8n7XWgDk7DC6YuMd0K42x1BaoJP4SEm+WtzI5LbaxO7OS3rDz3G0nG4HtRwBe8wW 1w4LNc5mNA== ) ;; 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 20251219110613 20251019110613 2536 gov. j3FRDkQ+/qhx8n7XWgDk7DC6YuMd0K42x1BaoJP4SEm+WtzI5LbaxO7OS3rDz3G0nG4HtRwBe8wW 1w4LNc5mNA== )`
	RRSIG=2536 and DNSKEY=2536/SEP verifies the DNSKEY RRset
	DNSKEY=35496 is now in the chain-of-trust
	Query to a.ns.gov for iat.gov/A
	Received 237 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 237 octets ;; HEADER SECTION ;; id = 57236 ;; 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) ;; iat.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) iat.gov. 10800 IN NS liz.ns.cloudflare.com. iat.gov. 10800 IN NS west.ns.cloudflare.com. iat.gov. 3600 IN DS ( 2371 13 2 68161884bc2001cecf14242ca3e4b842961bc1f82ab4a6c748d987d006c11749 ) iat.gov. 3600 IN RRSIG ( DS 13 2 3600 20251102071120 20251031051120 35496 gov. IwQLsJrVg3/vmSd1nPxEJ1mi0rRm5JT7u5pzbvLhLfpl1wbzLe1UgWObQ7fiiVdAlIyPP6gR9e79 xT1ZfqZfQg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to a.ns.gov for iat.gov/DNSKEY
	Received 237 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 237 octets ;; HEADER SECTION ;; id = 12779 ;; 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) ;; iat.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) iat.gov. 10800 IN NS liz.ns.cloudflare.com. iat.gov. 10800 IN NS west.ns.cloudflare.com. iat.gov. 3600 IN DS ( 2371 13 2 68161884bc2001cecf14242ca3e4b842961bc1f82ab4a6c748d987d006c11749 ) iat.gov. 3600 IN RRSIG ( DS 13 2 3600 20251102071120 20251031051120 35496 gov. s6UgwfYsWy/iZu64vVVbTB8r3bjV9yEAPDIr6kvziwecDNII1MUXOCxP8h77kZppn2JU/LW3DbWA DhL7VP5kQw== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone iat.gov

iat.gov

	Checking DS between gov and iat.gov
	Query to c.ns.gov for iat.gov/DS
	Received 183 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 183 octets ;; HEADER SECTION ;; id = 19606 ;; 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) ;; iat.gov. IN DS ;; ANSWER SECTION (2 records) iat.gov. 3600 IN DS ( 2371 13 2 68161884bc2001cecf14242ca3e4b842961bc1f82ab4a6c748d987d006c11749 ) iat.gov. 3600 IN RRSIG ( DS 13 2 3600 20251102071120 20251031051120 35496 gov. xluDUsT7uUSIN72Xgj6oIQEDzW2t5AEiVc3hBFGDP1lpOfSjDuG7pM3ST7NcNYYKEu6HbpfqQChj /4wqeX3mXA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for iat.gov in the gov zone
	DS=2371/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`iat.gov. 3600 IN RRSIG ( DS 13 2 3600 20251102071120 20251031051120 35496 gov. xluDUsT7uUSIN72Xgj6oIQEDzW2t5AEiVc3hBFGDP1lpOfSjDuG7pM3ST7NcNYYKEu6HbpfqQChj /4wqeX3mXA== )`
	RRSIG=35496 and DNSKEY=35496 verifies the DS RRset
	DS=2371/SHA-256 is now in the chain-of-trust
	`iat.gov. 3600 IN DS ( 2371 13 2 68161884bc2001cecf14242ca3e4b842961bc1f82ab4a6c748d987d006c11749 )`
	Query to liz.ns.cloudflare.com for iat.gov/DNSKEY
	Received 299 bytes from 172.64.32.189
	;; Response received from [172.64.32.189] 299 octets ;; HEADER SECTION ;; id = 10091 ;; 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) ;; iat.gov. IN DNSKEY ;; ANSWER SECTION (3 records) iat.gov. 3600 IN DNSKEY ( 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iU zy1L53eKGQ== ) ; keytag 2371 iat.gov. 3600 IN DNSKEY ( 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x 8fGAa2XhSA== ) ; keytag 34505 iat.gov. 3600 IN RRSIG ( DNSKEY 13 2 3600 20251218015723 20251018015723 2371 iat.gov. fhdPdtxnA+m2rgXW88EJxUdF7LUYptExW/YpwT7UFG2Me4T70PuxH9ZnYUtiL+W9zHxncHP22Zs7 EDPXJ71Eig== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for iat.gov
	`iat.gov. 3600 IN DNSKEY ( 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iU zy1L53eKGQ== ) ; keytag 2371`
	`iat.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
	`iat.gov. 3600 IN RRSIG ( DNSKEY 13 2 3600 20251218015723 20251018015723 2371 iat.gov. fhdPdtxnA+m2rgXW88EJxUdF7LUYptExW/YpwT7UFG2Me4T70PuxH9ZnYUtiL+W9zHxncHP22Zs7 EDPXJ71Eig== )`
	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 iat.gov/A
	Received 340 bytes from 172.64.33.247
	;; Response received from [172.64.33.247] 340 octets ;; HEADER SECTION ;; id = 15828 ;; 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) ;; iat.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) iat.gov. 1800 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2386324748 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) iat.gov. 1800 IN NSEC ( \000.iat.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 ) iat.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20251102071120 20251031051120 34505 iat.gov. 1gkHrB+fPI/9XovO8PGFbEoFNVDcjR3A37VlAN/opkZO7qy8gDcnmDne1odMKcu5ci2+Q8L6iV7I MNwL74q/3w== ) iat.gov. 1800 IN RRSIG ( SOA 13 2 1800 20251102071120 20251031051120 34505 iat.gov. t0I1Lobqg2IKqQdUbQxXmTzWezsmwMTb5SHMBSSq4m5a1V3Q+l/XBGJx7seUow/v51LGYjwGLOUw AVDQyZ2h+g== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	west.ns.cloudflare.com is authoritative for iat.gov
	Found RRSIG signed by iat.gov zone
	Query to liz.ns.cloudflare.com for iat.gov/SOA
	Received 200 bytes from 172.64.32.189
	;; Response received from [172.64.32.189] 200 octets ;; HEADER SECTION ;; id = 32172 ;; 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) ;; iat.gov. IN SOA ;; ANSWER SECTION (2 records) iat.gov. 1800 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2386324748 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) iat.gov. 1800 IN RRSIG ( SOA 13 2 1800 20251102071120 20251031051120 34505 iat.gov. kW6v5Vu/24wnQ6fFz0cr8mcTXGPTSM37aAKjGrxMHqePTN4bHmCSMFUn7SU0H8Svdtprf+CSZVec SUZDGLZ1qw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to west.ns.cloudflare.com for iat.gov/A
	Received 340 bytes from 172.64.33.247
	;; Response received from [172.64.33.247] 340 octets ;; HEADER SECTION ;; id = 2519 ;; 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) ;; iat.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) iat.gov. 1800 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2386324748 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) iat.gov. 1800 IN NSEC ( \000.iat.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 ) iat.gov. 1800 IN RRSIG ( SOA 13 2 1800 20251102071120 20251031051120 34505 iat.gov. CylKWKuvlndqpJEZAfPWEP3ilVZSknyKdR7RItC5LH5vklmxR38L9Ev8SJWf5ovSg2JDb+1S8Ayx dtCxPO5xDA== ) iat.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20251102071120 20251031051120 34505 iat.gov. 6QYp8E+GC5PBDfRMICbbo9RC7m9X1aWKWBczTD/FAYwtP7DcyzQBxdhBlbimsc9MrcvK8QDHTDeA +2dhbK5qcw== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Checking NSEC records for a NODATA response
	Found 1 RRSIGs over NSEC RRset
	`iat.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20251102071120 20251031051120 34505 iat.gov. 6QYp8E+GC5PBDfRMICbbo9RC7m9X1aWKWBczTD/FAYwtP7DcyzQBxdhBlbimsc9MrcvK8QDHTDeA +2dhbK5qcw== )`
	RRSIG=34505 and DNSKEY=34505 verifies the NSEC RRset
	NSEC proves no records of type A exist for iat.gov
	Found 1 RRSIGs over SOA RRset
	`iat.gov. 1800 IN RRSIG ( SOA 13 2 1800 20251102071120 20251031051120 34505 iat.gov. t0I1Lobqg2IKqQdUbQxXmTzWezsmwMTb5SHMBSSq4m5a1V3Q+l/XBGJx7seUow/v51LGYjwGLOUw AVDQyZ2h+g== )`
	RRSIG=34505 and DNSKEY=34505 verifies the SOA RRset

iat.gov

	Query to liz.ns.cloudflare.com for iat.gov/A
	Received 340 bytes from 108.162.192.189
	;; Response received from [108.162.192.189] 340 octets ;; HEADER SECTION ;; id = 55399 ;; 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) ;; iat.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) iat.gov. 1800 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2386324748 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) iat.gov. 1800 IN NSEC ( \000.iat.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 ) iat.gov. 1800 IN RRSIG ( SOA 13 2 1800 20251102071120 20251031051120 34505 iat.gov. odjE2fLx2NovLDkVAT96HJW0rwa/En7o5kGhlwm8MvIbKwunWfpgKn6IIdvU0Qe8TbIf73gVvBQn mwB0skfpuA== ) iat.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20251102071120 20251031051120 34505 iat.gov. 2eXIOSPOPQIjdKgiHCVvOxspAqDDm0AudkO6aOwrTud8pj3IEZuIwyQVko+Ywr5UU7AqZ3kFzwvB MXFDAs6BCg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	liz.ns.cloudflare.com is authoritative for iat.gov
	Found RRSIG signed by iat.gov zone
	Query to liz.ns.cloudflare.com for iat.gov/A
	Received 340 bytes from 173.245.58.189
	;; Response received from [173.245.58.189] 340 octets ;; HEADER SECTION ;; id = 59418 ;; 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) ;; iat.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) iat.gov. 1800 IN SOA ( liz.ns.cloudflare.com. dns.cloudflare.com. 2386324748 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) iat.gov. 1800 IN NSEC ( \000.iat.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 ) iat.gov. 1800 IN RRSIG ( SOA 13 2 1800 20251102071120 20251031051120 34505 iat.gov. 9isaZN4YHO1ngyX2+a0yv/smcXkm0Afdg6f4omatd7d1S/kCNlRS9z5BvhsVtydXXKi0rYhUT8+I yWuy2QckDg== ) iat.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20251102071120 20251031051120 34505 iat.gov. RS5FS+PIw73v+MPaJdnBiF/QkTWvdFkM2PRJmWHsAD6t2dRn97PQ66j3mTFchVRqyMA+5vGNG85w MzbcBDsxFg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Checking NSEC records for a NODATA response
	Found 1 RRSIGs over NSEC RRset
	`iat.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20251102071120 20251031051120 34505 iat.gov. RS5FS+PIw73v+MPaJdnBiF/QkTWvdFkM2PRJmWHsAD6t2dRn97PQ66j3mTFchVRqyMA+5vGNG85w MzbcBDsxFg== )`
	RRSIG=34505 and DNSKEY=34505 verifies the NSEC RRset
	NSEC proves no records of type A exist for iat.gov
	Found 1 RRSIGs over SOA RRset
	`iat.gov. 1800 IN RRSIG ( SOA 13 2 1800 20251102071120 20251031051120 34505 iat.gov. odjE2fLx2NovLDkVAT96HJW0rwa/En7o5kGhlwm8MvIbKwunWfpgKn6IIdvU0Qe8TbIf73gVvBQn mwB0skfpuA== )`
	RRSIG=34505 and DNSKEY=34505 verifies the SOA RRset

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test iat.gov at dnsviz.net.

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: