DNSSEC Debugger - illinois.edu

Back to Verisign Labs Tools

Domain Name:

Detail: more(+) / less(-)

Time: 2026-04-17 10:04:08 UTC

Analyzing DNSSEC problems for illinois.edu

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 f.root-servers.net for ./DNSKEY
	Received 1139 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 1139 octets ;; HEADER SECTION ;; id = 2054 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 4 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 256 3 8 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 20260502000000 20260411000000 20326 . ldfPZ7Q9Ca8GfxnsJcPAMMy9Dt1qfL2guvByLtN9kRcMMn8g3ukazjrv5Bj/KOLEXV++Zp8g8UpL /80NUKP4ZA1Yq3gmEE2hyEG7M964fUrTaB9w9leATi8UK176zklnB7trP81yL6TIZmaCImUMWVkU n8uGeIJUaVz2XpboM5PGo2gEQH2mVAavFammRoDbj4gnMJvXgOMIZtLIIGcOaxuY5sFQo1MDQnoQ OYMAHVqdUu4Ld+Jq29ktutAXUK6hobUBss0me2y+xlu3fmZ5JiKSJOPDiBQBqjUAhueBKEZpamt/ gr8NtHLe0QLKs2h3XhsGNHE7Ksr3WwiCCFHP0A== ) ;; 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 20260502000000 20260411000000 20326 . ldfPZ7Q9Ca8GfxnsJcPAMMy9Dt1qfL2guvByLtN9kRcMMn8g3ukazjrv5Bj/KOLEXV++Zp8g8UpL /80NUKP4ZA1Yq3gmEE2hyEG7M964fUrTaB9w9leATi8UK176zklnB7trP81yL6TIZmaCImUMWVkU n8uGeIJUaVz2XpboM5PGo2gEQH2mVAavFammRoDbj4gnMJvXgOMIZtLIIGcOaxuY5sFQo1MDQnoQ OYMAHVqdUu4Ld+Jq29ktutAXUK6hobUBss0me2y+xlu3fmZ5JiKSJOPDiBQBqjUAhueBKEZpamt/ gr8NtHLe0QLKs2h3XhsGNHE7Ksr3WwiCCFHP0A== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=54393 is now in the chain-of-trust
	Query to l.root-servers.net for illinois.edu/A
	Received 1171 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 1171 octets ;; HEADER SECTION ;; id = 53054 ;; 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 = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; illinois.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20260430050000 20260417040000 54393 . Ss3lVmXxPh7NBzHX1ZzqK2V+CEY0Pya3AzQRVXXpBPuH3PKIQUjIEiKhpm/pzp/u2LwaD+kKdjQF +4AhDaqXoIoVTAUhdHgzeaCSyoo4W8mKm6Jaggd5H6BWZP6IfESENUVUiYidQO7puPbQgSJxrtb/ NgJsGAu83ARfNLhngF9GQ8RjOF6O+Aj7M0hWz7UWRiC3VCQLD7g3wx2nX7OULI7KFEXs3hIPteLY YGEAiahfTRcFnn9rbR6TCgUvctEhu8xprghDKdIw/SXwj5Tg8XMkbRyuoaO1TC2xFXerb5L2MzXy IvhLCPT3/iG7B4jLIXAQI5HQaXOXg9OSK3sKMA== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Query to e.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 1162 octets ;; HEADER SECTION ;; id = 29545 ;; 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 = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20260430050000 20260417040000 54393 . Ss3lVmXxPh7NBzHX1ZzqK2V+CEY0Pya3AzQRVXXpBPuH3PKIQUjIEiKhpm/pzp/u2LwaD+kKdjQF +4AhDaqXoIoVTAUhdHgzeaCSyoo4W8mKm6Jaggd5H6BWZP6IfESENUVUiYidQO7puPbQgSJxrtb/ NgJsGAu83ARfNLhngF9GQ8RjOF6O+Aj7M0hWz7UWRiC3VCQLD7g3wx2nX7OULI7KFEXs3hIPteLY YGEAiahfTRcFnn9rbR6TCgUvctEhu8xprghDKdIw/SXwj5Tg8XMkbRyuoaO1TC2xFXerb5L2MzXy IvhLCPT3/iG7B4jLIXAQI5HQaXOXg9OSK3sKMA== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 b.edu-servers.net. 172800 IN A 192.33.14.30 c.edu-servers.net. 172800 IN A 192.26.92.30 d.edu-servers.net. 172800 IN A 192.31.80.30 e.edu-servers.net. 172800 IN A 192.12.94.30 f.edu-servers.net. 172800 IN A 192.35.51.30 g.edu-servers.net. 172800 IN A 192.42.93.30 h.edu-servers.net. 172800 IN A 192.54.112.30 i.edu-servers.net. 172800 IN A 192.43.172.30 j.edu-servers.net. 172800 IN A 192.48.79.30 k.edu-servers.net. 172800 IN A 192.52.178.30 l.edu-servers.net. 172800 IN A 192.41.162.30 m.edu-servers.net. 172800 IN A 192.55.83.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Found child zone edu

edu

	Checking DS between . and edu
	Query to m.root-servers.net for edu/DS
	Received 367 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 367 octets ;; HEADER SECTION ;; id = 42364 ;; 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) ;; edu. IN DS ;; ANSWER SECTION (2 records) edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20260430050000 20260417040000 54393 . Ss3lVmXxPh7NBzHX1ZzqK2V+CEY0Pya3AzQRVXXpBPuH3PKIQUjIEiKhpm/pzp/u2LwaD+kKdjQF +4AhDaqXoIoVTAUhdHgzeaCSyoo4W8mKm6Jaggd5H6BWZP6IfESENUVUiYidQO7puPbQgSJxrtb/ NgJsGAu83ARfNLhngF9GQ8RjOF6O+Aj7M0hWz7UWRiC3VCQLD7g3wx2nX7OULI7KFEXs3hIPteLY YGEAiahfTRcFnn9rbR6TCgUvctEhu8xprghDKdIw/SXwj5Tg8XMkbRyuoaO1TC2xFXerb5L2MzXy IvhLCPT3/iG7B4jLIXAQI5HQaXOXg9OSK3sKMA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for edu in the . zone
	DS=35663/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`edu. 86400 IN RRSIG ( DS 8 1 86400 20260430050000 20260417040000 54393 . Ss3lVmXxPh7NBzHX1ZzqK2V+CEY0Pya3AzQRVXXpBPuH3PKIQUjIEiKhpm/pzp/u2LwaD+kKdjQF +4AhDaqXoIoVTAUhdHgzeaCSyoo4W8mKm6Jaggd5H6BWZP6IfESENUVUiYidQO7puPbQgSJxrtb/ NgJsGAu83ARfNLhngF9GQ8RjOF6O+Aj7M0hWz7UWRiC3VCQLD7g3wx2nX7OULI7KFEXs3hIPteLY YGEAiahfTRcFnn9rbR6TCgUvctEhu8xprghDKdIw/SXwj5Tg8XMkbRyuoaO1TC2xFXerb5L2MzXy IvhLCPT3/iG7B4jLIXAQI5HQaXOXg9OSK3sKMA== )`
	RRSIG=54393 and DNSKEY=54393 verifies the DS RRset
	DS=35663/SHA-256 is now in the chain-of-trust
	`edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d )`
	Query to i.edu-servers.net for edu/DNSKEY
	Received 371 bytes from 192.43.172.30
	;; Response received from [192.43.172.30] 371 octets ;; HEADER SECTION ;; id = 28775 ;; 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) ;; edu. IN DNSKEY ;; ANSWER SECTION (4 records) edu. 86400 IN DNSKEY ( 256 3 13 WVHVp4Eprbq3+EmJ+XzSYbMy23PB3kzdKKmDpC7cME7yP44I5k/Fa64TOEpDHsJlZLDw28EQ8ypo /F3UAwLN0A== ) ; keytag 37239 edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663 edu. 86400 IN DNSKEY ( 256 3 13 ofExWbhssID57iiPCfo97BkTsCvsSwz1SQaESyZir1MIqxRITdSKbOcUbrVEtScEVsIP6MoJ1+iL 3fMyJirNRA== ) ; keytag 16901 edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260430151114 20260415150614 35663 edu. hn6MW+rv+0wuMgSimUHY1nynldQUyx1MWb5lle/P0E8VweNKywu1Ca1254ERIeJ83vrK2agQGy0J 6QNxHZw8iA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for edu
	`edu. 86400 IN DNSKEY ( 256 3 13 WVHVp4Eprbq3+EmJ+XzSYbMy23PB3kzdKKmDpC7cME7yP44I5k/Fa64TOEpDHsJlZLDw28EQ8ypo /F3UAwLN0A== ) ; keytag 37239`
	`edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663`
	`edu. 86400 IN DNSKEY ( 256 3 13 ofExWbhssID57iiPCfo97BkTsCvsSwz1SQaESyZir1MIqxRITdSKbOcUbrVEtScEVsIP6MoJ1+iL 3fMyJirNRA== ) ; keytag 16901`
	DNSKEY=35663/SEP is now in the chain-of-trust
	DS=35663/SHA-256 verifies DNSKEY=35663/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260430151114 20260415150614 35663 edu. hn6MW+rv+0wuMgSimUHY1nynldQUyx1MWb5lle/P0E8VweNKywu1Ca1254ERIeJ83vrK2agQGy0J 6QNxHZw8iA== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=37239 is now in the chain-of-trust
	DNSKEY=16901 is now in the chain-of-trust
	Query to k.edu-servers.net for illinois.edu/A
	Received 587 bytes from 192.52.178.30
	;; Response received from [192.52.178.30] 587 octets ;; HEADER SECTION ;; id = 41490 ;; 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 = 7 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; illinois.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) illinois.edu. 172800 IN NS dns1.illinois.edu. illinois.edu. 172800 IN NS dns2.illinois.edu. illinois.edu. 172800 IN NS dns3.illinois.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260422031331 20260415020331 16901 edu. too0+3T4unobfH22I23CWeimYfUmRGZceqJ4gA8m/PXnsPNXz9c4YYW1D+arn4OxvshauRZjVUci KTVxVZYCEw== ) KRE88A205J4VR85PRV64FRA350821RO8.edu. 900 IN NSEC3 ( 1 1 0 - ksta9al56bj578krjihpadgq1e5t866h NS DS RRSIG ) KRE88A205J4VR85PRV64FRA350821RO8.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260421031546 20260414020546 16901 edu. xwf9tqX3f3BsG+gj8vD+LW84xEcyMnzP13H2wj2Mee+M2CGGgDu+QOtJEz2U8y4/VVuwBBf9n59x SOrAypYibQ== ) ;; ADDITIONAL SECTION (7 records) dns1.illinois.edu. 172800 IN A 130.126.2.100 dns1.illinois.edu. 172800 IN AAAA 2620:0:e00:b::53 dns2.illinois.edu. 172800 IN A 130.126.2.120 dns2.illinois.edu. 172800 IN AAAA 2620:0:e00:c::53 dns3.illinois.edu. 172800 IN AAAA 2600:1f16:8b2:2e53::53 dns3.illinois.edu. 172800 IN A 3.16.92.183 ;; { "EDNS-VERSION": 0 }
	Query to j.edu-servers.net for illinois.edu/DNSKEY
	Received 587 bytes from 192.48.79.30
	;; Response received from [192.48.79.30] 587 octets ;; HEADER SECTION ;; id = 44486 ;; 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 = 7 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; illinois.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) illinois.edu. 172800 IN NS dns1.illinois.edu. illinois.edu. 172800 IN NS dns2.illinois.edu. illinois.edu. 172800 IN NS dns3.illinois.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260422031331 20260415020331 16901 edu. too0+3T4unobfH22I23CWeimYfUmRGZceqJ4gA8m/PXnsPNXz9c4YYW1D+arn4OxvshauRZjVUci KTVxVZYCEw== ) KRE88A205J4VR85PRV64FRA350821RO8.edu. 900 IN NSEC3 ( 1 1 0 - ksta9al56bj578krjihpadgq1e5t866h NS DS RRSIG ) KRE88A205J4VR85PRV64FRA350821RO8.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260421031546 20260414020546 16901 edu. xwf9tqX3f3BsG+gj8vD+LW84xEcyMnzP13H2wj2Mee+M2CGGgDu+QOtJEz2U8y4/VVuwBBf9n59x SOrAypYibQ== ) ;; ADDITIONAL SECTION (7 records) dns1.illinois.edu. 172800 IN A 130.126.2.100 dns1.illinois.edu. 172800 IN AAAA 2620:0:e00:b::53 dns2.illinois.edu. 172800 IN A 130.126.2.120 dns2.illinois.edu. 172800 IN AAAA 2620:0:e00:c::53 dns3.illinois.edu. 172800 IN AAAA 2600:1f16:8b2:2e53::53 dns3.illinois.edu. 172800 IN A 3.16.92.183 ;; { "EDNS-VERSION": 0 }
	Found child zone illinois.edu

illinois.edu

	Checking DS between edu and illinois.edu
	Query to a.edu-servers.net for illinois.edu/DS
	Received 572 bytes from 192.5.6.30
	;; Response received from [192.5.6.30] 572 octets ;; HEADER SECTION ;; id = 10625 ;; 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 = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; illinois.edu. IN DS ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260422031331 20260415020331 16901 edu. too0+3T4unobfH22I23CWeimYfUmRGZceqJ4gA8m/PXnsPNXz9c4YYW1D+arn4OxvshauRZjVUci KTVxVZYCEw== ) edu. 900 IN SOA ( a.edu-servers.net. nstld.verisign-grs.com. 1776420222 ;serial 1800 ;refresh 900 ;retry 604800 ;expire 900 ;minimum ) edu. 900 IN RRSIG ( SOA 13 1 900 20260424100342 20260417085342 37239 edu. 32QYB1m/OZ6GhnN2qhIxVW13Vpy2j0HXojDagMnTGiH8KGGnNFGo1llrUvtO9f+MWDRLFUT6IZ02 mCCiVZxWug== ) KRE88A205J4VR85PRV64FRA350821RO8.edu. 900 IN NSEC3 ( 1 1 0 - ksta9al56bj578krjihpadgq1e5t866h NS DS RRSIG ) KRE88A205J4VR85PRV64FRA350821RO8.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260421031546 20260414020546 16901 edu. xwf9tqX3f3BsG+gj8vD+LW84xEcyMnzP13H2wj2Mee+M2CGGgDu+QOtJEz2U8y4/VVuwBBf9n59x SOrAypYibQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for illinois.edu in the edu zone
	Query to dns3.illinois.edu for illinois.edu/DNSKEY
	Received 118 bytes from 3.16.92.183
	;; Response received from [3.16.92.183] 118 octets ;; HEADER SECTION ;; id = 10175 ;; 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 = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; illinois.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) illinois.edu. 60 IN SOA ( ipam1.techservices.illinois.edu. dns-admin.illinois.edu. 266663440 ;serial 3600 ;refresh 900 ;retry 1209600 ;expire 60 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to dns3.illinois.edu for illinois.edu/A
	Received 57 bytes from 3.16.92.183
	;; Response received from [3.16.92.183] 57 octets ;; HEADER SECTION ;; id = 62050 ;; 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 = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; illinois.edu. IN A ;; ANSWER SECTION (1 record) illinois.edu. 3600 IN A 64.236.243.124 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dns3.illinois.edu is authoritative for illinois.edu
	Query to dns1.illinois.edu for illinois.edu/SOA
	Received 118 bytes from 130.126.2.100
	;; Response received from [130.126.2.100] 118 octets ;; HEADER SECTION ;; id = 41248 ;; 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 = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; illinois.edu. IN SOA ;; ANSWER SECTION (1 record) illinois.edu. 3600 IN SOA ( ipam1.techservices.illinois.edu. dns-admin.illinois.edu. 266663440 ;serial 3600 ;refresh 900 ;retry 1209600 ;expire 60 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns2.illinois.edu for illinois.edu/SOA
	Received 118 bytes from 130.126.2.120
	;; Response received from [130.126.2.120] 118 octets ;; HEADER SECTION ;; id = 8335 ;; 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 = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; illinois.edu. IN SOA ;; ANSWER SECTION (1 record) illinois.edu. 3600 IN SOA ( ipam1.techservices.illinois.edu. dns-admin.illinois.edu. 266663440 ;serial 3600 ;refresh 900 ;retry 1209600 ;expire 60 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns3.illinois.edu for illinois.edu/A
	illinois.edu A RR has value 64.236.243.124
	No RRSIGs found

illinois.edu

	Query to dns1.illinois.edu for illinois.edu/A
	Received 57 bytes from 130.126.2.100
	;; Response received from [130.126.2.100] 57 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 = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; illinois.edu. IN A ;; ANSWER SECTION (1 record) illinois.edu. 3600 IN A 64.236.243.124 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dns1.illinois.edu is authoritative for illinois.edu
	Query to dns1.illinois.edu for illinois.edu/A
	illinois.edu A RR has value 64.236.243.124
	No RRSIGs found

illinois.edu

	Query to dns2.illinois.edu for illinois.edu/A
	Received 57 bytes from 130.126.2.120
	;; Response received from [130.126.2.120] 57 octets ;; HEADER SECTION ;; id = 50797 ;; 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 = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; illinois.edu. IN A ;; ANSWER SECTION (1 record) illinois.edu. 3600 IN A 64.236.243.124 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dns2.illinois.edu is authoritative for illinois.edu
	Query to dns2.illinois.edu for illinois.edu/A
	illinois.edu A RR has value 64.236.243.124
	No RRSIGs found

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test illinois.edu at dnsviz.net.

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: