DNSSEC Debugger

Domain Name:

Time: 2025-09-18 07:03:45 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 b.root-servers.net for ./DNSKEY
	Received 1414 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 1414 octets ;; HEADER SECTION ;; id = 57229 ;; 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 = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (5 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148 . 172800 IN DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441 . 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 20250930000000 20250909000000 20326 . aqj52+DKW6PhTa31l3xyxa0lbMd8T/UyK1sNUC42EY1+cSp0hSC0VlW82RsWYU5G5NmewrInT/Sx glWFlFz94yVqiKAK7ZNQr94nRbA7okrrlfnloiBi3cQ1IvEUgvNcmlZMLTeA6rINvdcBwS7ljMOH m0vQDce9IOxhQT7iAu23oiNORw5nWG/npNkYRFDD4yQvD3HsNeXFTuyDuc57ZEjs/pnIG5nkcqx7 tp/ba3XbOGllDr/V/0ubak7OeWum1eckIljqUsx5BnfBfIA7rJ2JJBIT7JMJ/O/cflTKoJFHQoKG TVYrNVBq9vsnZ01Q4ss688IvI8vO3zkP6LQLEA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441`
	`. 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 20250930000000 20250909000000 20326 . aqj52+DKW6PhTa31l3xyxa0lbMd8T/UyK1sNUC42EY1+cSp0hSC0VlW82RsWYU5G5NmewrInT/Sx glWFlFz94yVqiKAK7ZNQr94nRbA7okrrlfnloiBi3cQ1IvEUgvNcmlZMLTeA6rINvdcBwS7ljMOH m0vQDce9IOxhQT7iAu23oiNORw5nWG/npNkYRFDD4yQvD3HsNeXFTuyDuc57ZEjs/pnIG5nkcqx7 tp/ba3XbOGllDr/V/0ubak7OeWum1eckIljqUsx5BnfBfIA7rJ2JJBIT7JMJ/O/cflTKoJFHQoKG TVYrNVBq9vsnZ01Q4ss688IvI8vO3zkP6LQLEA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=53148 is now in the chain-of-trust
	DNSKEY=46441 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to i.root-servers.net for iat.gov/A
	Received 617 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 617 octets ;; HEADER SECTION ;; id = 25100 ;; 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) ;; iat.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS b.ns.gov. gov. 172800 IN NS a.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 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== ) ;; 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 }
	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 = 49850 ;; 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 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== ) ;; 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 d.root-servers.net for gov/DS
	Received 367 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 367 octets ;; HEADER SECTION ;; id = 34721 ;; 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": 1450, ;; "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 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== ) ;; 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 20251001050000 20250918040000 46441 . XgUvV+s8vlsqOO3AHB9/pt0m7iccKPWIC4+zWykW314+wfC4yJRwrjbhkggVFU5m/UROXSQwh15D vUSa2jk/L/Hm1GEOroG9g68yQgwgSGst8Kf+eyu3BCn52TZWtY0PLdtozJzhXkqiVKgjZISKl/8T 40Tgc4mhzpMmdJFD9Ankg1GXbTlSBCrh8APecd2NsZE9WfhcAu7adJKednjc6wLIz26zRzYHRC39 lMABuK+sK/moA2ftRqvAlX4vvU/045BKvYy4j+h/TYlslhAeXBFwg4Kq7IJIm8KlPgdq1sUefAta VCafbqaS6yb8gIKIxhVSuf0yu5It5mBKRP2VHQ== )`
	RRSIG=46441 and DNSKEY=46441 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 = 55750 ;; 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 20251101110613 20250901110613 2536 gov. D1H2/lQxqi95pn45IcLLiEhJqLj7xvGsuBj73AYEAzqX48/P7GQMRCj7rQAOTEwKoZaj70cVbIvD dPV4T5L9mw== ) ;; 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 20251101110613 20250901110613 2536 gov. D1H2/lQxqi95pn45IcLLiEhJqLj7xvGsuBj73AYEAzqX48/P7GQMRCj7rQAOTEwKoZaj70cVbIvD dPV4T5L9mw== )`
	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 iat.gov/A
	Received 237 bytes from 199.33.232.1
	;; Response received from [199.33.232.1] 237 octets ;; HEADER SECTION ;; id = 11648 ;; 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 20250919080345 20250917060345 35496 gov. uNYCZDGzbWhLlGhRWzPThJJx5Te4+3KQOrYjACboxzLvMAFTfIpzFR/BZ28rYcAo+GAwq2yUCehG 7SWPD9op4A== ) ;; 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 = 27450 ;; 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 20250919080345 20250917060345 35496 gov. MdzXKRddls/3Ap6lb7AflVh83+P/bRZBNw71rnYDv8+EUSWX3uAXI/ZJbbxVlhmQTYiMyJUATfC3 te3klAGayg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone iat.gov

iat.gov

	Checking DS between gov and iat.gov
	Query to a.ns.gov for iat.gov/DS
	Received 183 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 183 octets ;; HEADER SECTION ;; id = 3260 ;; 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 20250919080345 20250917060345 35496 gov. ejwKFmGYEzQ5qQUJE8yuvDV78aGmqNepbqdDM/pcI/M0PBYHIki8fM+qlEcKc4OPeOV3DmFu5xlf L2UewSn8dQ== ) ;; 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 20250919080345 20250917060345 35496 gov. ejwKFmGYEzQ5qQUJE8yuvDV78aGmqNepbqdDM/pcI/M0PBYHIki8fM+qlEcKc4OPeOV3DmFu5xlf L2UewSn8dQ== )`
	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 west.ns.cloudflare.com for iat.gov/DNSKEY
	Received 299 bytes from 172.64.33.247
	;; Response received from [172.64.33.247] 299 octets ;; HEADER SECTION ;; id = 46251 ;; 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 20251031015718 20250831015718 2371 iat.gov. skviKkQmENpiMvkKnyKf1kksTeVYU0G0eQH4jmf3j+WQOpAAm+RxKKkUXtE/wmOULHYKtcn3Bc8U dw/+Ua4+kA== ) ;; 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 20251031015718 20250831015718 2371 iat.gov. skviKkQmENpiMvkKnyKf1kksTeVYU0G0eQH4jmf3j+WQOpAAm+RxKKkUXtE/wmOULHYKtcn3Bc8U dw/+Ua4+kA== )`
	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 iat.gov/A
	Received 340 bytes from 172.64.32.189
	;; Response received from [172.64.32.189] 340 octets ;; HEADER SECTION ;; id = 45569 ;; 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. 2383420732 ;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 20250919080345 20250917060345 34505 iat.gov. yVXgLN/LZHlevoUUrLciqu9dTxGbB9LpqwQz2iv9wObnsZW0FupUc7jKE+KD683jFyV97EU9bNCE mMJaOha+Bw== ) iat.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20250919080345 20250917060345 34505 iat.gov. yRdG4eIw/tztiAWRIaO/zBV9dqlQB2F4/RHeIlmPGLq74S1VOVhCz5ZYT/4Fa9hLle7YB7u6MRTj PYID1+V8Xg== ) ;; 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 west.ns.cloudflare.com for iat.gov/SOA
	Received 200 bytes from 173.245.59.247
	;; Response received from [173.245.59.247] 200 octets ;; HEADER SECTION ;; id = 35065 ;; 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. 2383420732 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) iat.gov. 1800 IN RRSIG ( SOA 13 2 1800 20250919080345 20250917060345 34505 iat.gov. 3+pCcmxQbdaOmNNQ03WyRaNM6MeMMYarOJ1mgCXxod5cbrws3jiuFXrLfcQL+4okp42U6nPprHP/ WDESrlWMyg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 = 54732 ;; 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. 2383420732 ;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 20250919080345 20250917060345 34505 iat.gov. AJGUz4FuwIGAS5Wh0lP2sQzGjctohWEUgTF3avINqfFOzpYwuMv/kzdAQZ1ushJ1miNvYuank+nd YJgHI1H44A== ) iat.gov. 1800 IN RRSIG ( NSEC 13 2 1800 20250919080345 20250917060345 34505 iat.gov. UuzbJIcFoui9UaTvLUiP6ycluE3otg4KMXLwjbbPJ5nlo9kYVmrO7Q+AAEK508QlYSzUma9wLqz/ mcP5gYNGRw== ) ;; 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 20250919080345 20250917060345 34505 iat.gov. UuzbJIcFoui9UaTvLUiP6ycluE3otg4KMXLwjbbPJ5nlo9kYVmrO7Q+AAEK508QlYSzUma9wLqz/ mcP5gYNGRw== )`
	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 20250919080345 20250917060345 34505 iat.gov. yVXgLN/LZHlevoUUrLciqu9dTxGbB9LpqwQz2iv9wObnsZW0FupUc7jKE+KD683jFyV97EU9bNCE mMJaOha+Bw== )`
	RRSIG=34505 and DNSKEY=34505 verifies the SOA RRset

iat.gov

	Query to west.ns.cloudflare.com for iat.gov/A
	Received 340 bytes from 173.245.59.247
	;; Response received from [173.245.59.247] 340 octets ;; HEADER SECTION ;; id = 26550 ;; 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. 2383420732 ;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 20250919080345 20250917060345 34505 iat.gov. Vo4DBQGGnCQhTgVTA3lZfDnGDxhVeyYiPTH8NPTuIwJmRwBX+fSWEYDAiEbhyaELB9gBIvZU7Hzi alTF+64ckg== ) iat.gov. 1800 IN RRSIG ( SOA 13 2 1800 20250919080345 20250917060345 34505 iat.gov. gaI/JpwRyZ+vAhko8+MQ/7J0J/CFNzojA0crp0WtI/5B1vhJDYPZnT+pZwypQlB+YGiQxHpwV5Q6 Gsegd9eUSA== ) ;; 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 west.ns.cloudflare.com for iat.gov/A
	Received 340 bytes from 108.162.193.247
	;; Response received from [108.162.193.247] 340 octets ;; HEADER SECTION ;; id = 8714 ;; 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. 2383420732 ;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 20250919080345 20250917060345 34505 iat.gov. 3fRUegN8uE3Yo/aulQyjStHGb2RqwFO3BgcjVCKQVpBVL0mMDc5kwXcksNRCiwP9hYBNs3RyjjZG LFhylegyFA== ) iat.gov. 1800 IN RRSIG ( SOA 13 2 1800 20250919080345 20250917060345 34505 iat.gov. X11+BuMc8Y0lyddA9CLJ8K9Csrsl94k9E379JAaJgh4idCoypo6oPo03hA362njUtQybv1lL4d+z SWFUshuUCQ== ) ;; 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 20250919080345 20250917060345 34505 iat.gov. 3fRUegN8uE3Yo/aulQyjStHGb2RqwFO3BgcjVCKQVpBVL0mMDc5kwXcksNRCiwP9hYBNs3RyjjZG LFhylegyFA== )`
	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 20250919080345 20250917060345 34505 iat.gov. gaI/JpwRyZ+vAhko8+MQ/7J0J/CFNzojA0crp0WtI/5B1vhJDYPZnT+pZwypQlB+YGiQxHpwV5Q6 Gsegd9eUSA== )`
	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: