DNSSEC Debugger

Domain Name:

Time: 2026-03-12 13:10:23 UTC

Analyzing DNSSEC problems for sc.edu

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 h.root-servers.net for ./DNSKEY
	Received 1139 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 1139 octets ;; HEADER SECTION ;; id = 10030 ;; 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 ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831 . 172800 IN DNSKEY ( 257 3 8 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 20260402000000 20260312000000 20326 . hcmCK2q88XH00Hynv8IgIMVTKrwyb8Lh/uvRpqBPMALNQunyrS+VKrlKb6rBQTFnGHeVR/jj3Eay Uuxv4fy2evliMYKLrfTHtdqD3oUvJMnwmxEMmhS84Ttw+bbTcHeYxb52NFiYVHKb37Y0OWN4lr0p V+3fwFtWumb1NlWZDMNsaHFv6UIdxgUGNBVEyUaTAK6E2jseQcoqv6A0rNxCG+xtz2zSpRV2JM1g dC8zVAcc068OamqrwZlzKqsqAgXP78NOERrFkzffoRaSEmOORcAQpUdCK265DL1Y7Xeq0QaNEKd2 fXglm/IxS+4sMPT+83Q/XasxUu5C3d0qEz76fw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831`
	`. 172800 IN DNSKEY ( 257 3 8 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 20260402000000 20260312000000 20326 . hcmCK2q88XH00Hynv8IgIMVTKrwyb8Lh/uvRpqBPMALNQunyrS+VKrlKb6rBQTFnGHeVR/jj3Eay Uuxv4fy2evliMYKLrfTHtdqD3oUvJMnwmxEMmhS84Ttw+bbTcHeYxb52NFiYVHKb37Y0OWN4lr0p V+3fwFtWumb1NlWZDMNsaHFv6UIdxgUGNBVEyUaTAK6E2jseQcoqv6A0rNxCG+xtz2zSpRV2JM1g dC8zVAcc068OamqrwZlzKqsqAgXP78NOERrFkzffoRaSEmOORcAQpUdCK265DL1Y7Xeq0QaNEKd2 fXglm/IxS+4sMPT+83Q/XasxUu5C3d0qEz76fw== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=21831 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to b.root-servers.net for sc.edu/A
	Received 1165 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 1165 octets ;; HEADER SECTION ;; id = 24335 ;; 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": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.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 20260325050000 20260312040000 21831 . DHvpwphsPOuTFtgw3KLunOewiz6EfKpQV/OvAnXl5tCg6SA9aT9bpLB79jxtAQuC08dG1rMwIaJE Ox2WLHUEWx7p06MLT6DZSvfD7H0kWYIrt86q9AvluS7iY3MHT2SjnfYkVpvNWikHVvlf3/UiZmTO xbPsJZLE3nrsNbz5GNaCly6liKLfM1Tey3y8OKWasybF5yFoJWVuvH2nb73fnDsjBtH/UZdN+1+m xYyPN2HHU3RiurcamMZgAreAtLQqy4K6iX5PtOx+oWOEm3tHroHySqsMqZpoNsoGayZBvNmO6PA8 wGJDWttZ+aEu5PbqbZg1LP1GPEx5xY4IX6dURg== ) ;; 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 b.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 1162 octets ;; HEADER SECTION ;; id = 34655 ;; 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": 1232, ;; "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 20260325050000 20260312040000 21831 . DHvpwphsPOuTFtgw3KLunOewiz6EfKpQV/OvAnXl5tCg6SA9aT9bpLB79jxtAQuC08dG1rMwIaJE Ox2WLHUEWx7p06MLT6DZSvfD7H0kWYIrt86q9AvluS7iY3MHT2SjnfYkVpvNWikHVvlf3/UiZmTO xbPsJZLE3nrsNbz5GNaCly6liKLfM1Tey3y8OKWasybF5yFoJWVuvH2nb73fnDsjBtH/UZdN+1+m xYyPN2HHU3RiurcamMZgAreAtLQqy4K6iX5PtOx+oWOEm3tHroHySqsMqZpoNsoGayZBvNmO6PA8 wGJDWttZ+aEu5PbqbZg1LP1GPEx5xY4IX6dURg== ) ;; 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 }
	Found child zone edu

edu

	Checking DS between . and edu
	Query to l.root-servers.net for edu/DS
	Received 367 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 367 octets ;; HEADER SECTION ;; id = 45458 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DS ;; ANSWER SECTION (2 records) edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20260325050000 20260312040000 21831 . DHvpwphsPOuTFtgw3KLunOewiz6EfKpQV/OvAnXl5tCg6SA9aT9bpLB79jxtAQuC08dG1rMwIaJE Ox2WLHUEWx7p06MLT6DZSvfD7H0kWYIrt86q9AvluS7iY3MHT2SjnfYkVpvNWikHVvlf3/UiZmTO xbPsJZLE3nrsNbz5GNaCly6liKLfM1Tey3y8OKWasybF5yFoJWVuvH2nb73fnDsjBtH/UZdN+1+m xYyPN2HHU3RiurcamMZgAreAtLQqy4K6iX5PtOx+oWOEm3tHroHySqsMqZpoNsoGayZBvNmO6PA8 wGJDWttZ+aEu5PbqbZg1LP1GPEx5xY4IX6dURg== ) ;; 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 20260325050000 20260312040000 21831 . DHvpwphsPOuTFtgw3KLunOewiz6EfKpQV/OvAnXl5tCg6SA9aT9bpLB79jxtAQuC08dG1rMwIaJE Ox2WLHUEWx7p06MLT6DZSvfD7H0kWYIrt86q9AvluS7iY3MHT2SjnfYkVpvNWikHVvlf3/UiZmTO xbPsJZLE3nrsNbz5GNaCly6liKLfM1Tey3y8OKWasybF5yFoJWVuvH2nb73fnDsjBtH/UZdN+1+m xYyPN2HHU3RiurcamMZgAreAtLQqy4K6iX5PtOx+oWOEm3tHroHySqsMqZpoNsoGayZBvNmO6PA8 wGJDWttZ+aEu5PbqbZg1LP1GPEx5xY4IX6dURg== )`
	RRSIG=21831 and DNSKEY=21831 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 b.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.33.14.30
	;; Response received from [192.33.14.30] 291 octets ;; HEADER SECTION ;; id = 32314 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (3 records) 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 20260321161114 20260306160614 35663 edu. hCA8fmyM9qckZ7lHEveOkoefhg0OBs9248tzevMphK6O6CEAgQXl0h7JEtB4uPF8r0/yq+1mJ23D zIHatZ5jgA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for edu
	`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 20260321161114 20260306160614 35663 edu. hCA8fmyM9qckZ7lHEveOkoefhg0OBs9248tzevMphK6O6CEAgQXl0h7JEtB4uPF8r0/yq+1mJ23D zIHatZ5jgA== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=16901 is now in the chain-of-trust
	Query to g.edu-servers.net for sc.edu/A
	Received 497 bytes from 192.42.93.30
	;; Response received from [192.42.93.30] 497 octets ;; HEADER SECTION ;; id = 48222 ;; 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 = 9 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (9 records) sc.edu. 172800 IN NS ns1.dnsmadeeasy.com. sc.edu. 172800 IN NS ns4.dnsmadeeasy.com. sc.edu. 172800 IN NS ns3.dnsmadeeasy.com. sc.edu. 172800 IN NS ns0.dnsmadeeasy.com. sc.edu. 172800 IN NS ns2.dnsmadeeasy.com. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260317031146 20260310020146 16901 edu. FJRVEIruapmjedSbTL3kKBYpkjpds33Vo5X25KHOt3JC5EOBuLAMkzdIUc2ytqGs94aGVjQAgiu9 ULYro4baFg== ) 6O935QVJ9AVFTT7DM8B1QQSEKP53G06N.edu. 900 IN NSEC3 ( 1 1 0 - 7294retpasf9986a1qp6n1uabq9jq959 NS DS RRSIG ) 6O935QVJ9AVFTT7DM8B1QQSEKP53G06N.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260318031009 20260311020009 16901 edu. zrjo7hJK38xUVMsXflU+cLP+Wwx/OGsCNJI4UkGf16CaZpP45bK6TXVEBDXdlFxG5j+3vM2ckxKT oRwP1trEYA== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to j.edu-servers.net for sc.edu/DNSKEY
	Received 497 bytes from 192.48.79.30
	;; Response received from [192.48.79.30] 497 octets ;; HEADER SECTION ;; id = 24485 ;; 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 = 9 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (9 records) sc.edu. 172800 IN NS ns1.dnsmadeeasy.com. sc.edu. 172800 IN NS ns4.dnsmadeeasy.com. sc.edu. 172800 IN NS ns3.dnsmadeeasy.com. sc.edu. 172800 IN NS ns0.dnsmadeeasy.com. sc.edu. 172800 IN NS ns2.dnsmadeeasy.com. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260317031146 20260310020146 16901 edu. FJRVEIruapmjedSbTL3kKBYpkjpds33Vo5X25KHOt3JC5EOBuLAMkzdIUc2ytqGs94aGVjQAgiu9 ULYro4baFg== ) 6O935QVJ9AVFTT7DM8B1QQSEKP53G06N.edu. 900 IN NSEC3 ( 1 1 0 - 7294retpasf9986a1qp6n1uabq9jq959 NS DS RRSIG ) 6O935QVJ9AVFTT7DM8B1QQSEKP53G06N.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260318031009 20260311020009 16901 edu. zrjo7hJK38xUVMsXflU+cLP+Wwx/OGsCNJI4UkGf16CaZpP45bK6TXVEBDXdlFxG5j+3vM2ckxKT oRwP1trEYA== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone sc.edu

sc.edu

	Checking DS between edu and sc.edu
	Query to i.edu-servers.net for sc.edu/DS
	Received 566 bytes from 192.43.172.30
	;; Response received from [192.43.172.30] 566 octets ;; HEADER SECTION ;; id = 10277 ;; 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) ;; sc.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 20260317031146 20260310020146 16901 edu. FJRVEIruapmjedSbTL3kKBYpkjpds33Vo5X25KHOt3JC5EOBuLAMkzdIUc2ytqGs94aGVjQAgiu9 ULYro4baFg== ) edu. 900 IN SOA ( a.edu-servers.net. nstld.verisign-grs.com. 1773321011 ;serial 1800 ;refresh 900 ;retry 604800 ;expire 900 ;minimum ) edu. 900 IN RRSIG ( SOA 13 1 900 20260319131011 20260312120011 16901 edu. RRX3WYwqdSgLbnNvXkV4X+9YSxq7T6ENywx5bieYvRFITYYs9OV31htXR1yWgmtGVa45EYe0m2Cz L0k9sHNekQ== ) 6O935QVJ9AVFTT7DM8B1QQSEKP53G06N.edu. 900 IN NSEC3 ( 1 1 0 - 7294retpasf9986a1qp6n1uabq9jq959 NS DS RRSIG ) 6O935QVJ9AVFTT7DM8B1QQSEKP53G06N.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260318031009 20260311020009 16901 edu. zrjo7hJK38xUVMsXflU+cLP+Wwx/OGsCNJI4UkGf16CaZpP45bK6TXVEBDXdlFxG5j+3vM2ckxKT oRwP1trEYA== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for sc.edu in the edu zone
	Query to ns4.dnsmadeeasy.com for sc.edu/DNSKEY
	Received 95 bytes from 208.80.127.2
	;; Response received from [208.80.127.2] 95 octets ;; HEADER SECTION ;; id = 51487 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) sc.edu. 180 IN SOA ( ns10.digicertdns.com. dns.digicertdns.com. 2009010846 ;serial 43200 ;refresh 3600 ;retry 1209600 ;expire 180 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to ns2.dnsmadeeasy.com for sc.edu/A
	Received 51 bytes from 208.80.126.2
	;; Response received from [208.80.126.2] 51 octets ;; HEADER SECTION ;; id = 2744 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN A ;; ANSWER SECTION (1 record) sc.edu. 60 IN A 129.252.90.108 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.dnsmadeeasy.com is authoritative for sc.edu
	Query to ns4.dnsmadeeasy.com for sc.edu/SOA
	Received 95 bytes from 208.80.127.2
	;; Response received from [208.80.127.2] 95 octets ;; HEADER SECTION ;; id = 25153 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN SOA ;; ANSWER SECTION (1 record) sc.edu. 86400 IN SOA ( ns10.digicertdns.com. dns.digicertdns.com. 2009010846 ;serial 43200 ;refresh 3600 ;retry 1209600 ;expire 180 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns0.dnsmadeeasy.com for sc.edu/SOA
	Received 95 bytes from 208.94.148.2
	;; Response received from [208.94.148.2] 95 octets ;; HEADER SECTION ;; id = 44911 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN SOA ;; ANSWER SECTION (1 record) sc.edu. 86400 IN SOA ( ns10.digicertdns.com. dns.digicertdns.com. 2009010846 ;serial 43200 ;refresh 3600 ;retry 1209600 ;expire 180 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns1.dnsmadeeasy.com for sc.edu/SOA
	Received 95 bytes from 208.80.124.2
	;; Response received from [208.80.124.2] 95 octets ;; HEADER SECTION ;; id = 7401 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN SOA ;; ANSWER SECTION (1 record) sc.edu. 86400 IN SOA ( ns10.digicertdns.com. dns.digicertdns.com. 2009010846 ;serial 43200 ;refresh 3600 ;retry 1209600 ;expire 180 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns3.dnsmadeeasy.com for sc.edu/SOA
	Received 95 bytes from 208.80.125.2
	;; Response received from [208.80.125.2] 95 octets ;; HEADER SECTION ;; id = 20483 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN SOA ;; ANSWER SECTION (1 record) sc.edu. 86400 IN SOA ( ns10.digicertdns.com. dns.digicertdns.com. 2009010846 ;serial 43200 ;refresh 3600 ;retry 1209600 ;expire 180 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns2.dnsmadeeasy.com for sc.edu/A
	Received 51 bytes from 208.80.126.2
	;; Response received from [208.80.126.2] 51 octets ;; HEADER SECTION ;; id = 18592 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN A ;; ANSWER SECTION (1 record) sc.edu. 60 IN A 129.252.90.108 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	sc.edu A RR has value 129.252.90.108
	No RRSIGs found

sc.edu

	Query to ns4.dnsmadeeasy.com for sc.edu/A
	Received 51 bytes from 208.80.127.2
	;; Response received from [208.80.127.2] 51 octets ;; HEADER SECTION ;; id = 6456 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN A ;; ANSWER SECTION (1 record) sc.edu. 60 IN A 129.252.90.108 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns4.dnsmadeeasy.com is authoritative for sc.edu
	Query to ns4.dnsmadeeasy.com for sc.edu/A
	Received 51 bytes from 208.80.127.2
	;; Response received from [208.80.127.2] 51 octets ;; HEADER SECTION ;; id = 47256 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN A ;; ANSWER SECTION (1 record) sc.edu. 60 IN A 129.252.90.108 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	sc.edu A RR has value 129.252.90.108
	No RRSIGs found

sc.edu

	Query to ns0.dnsmadeeasy.com for sc.edu/A
	Received 51 bytes from 208.94.148.2
	;; Response received from [208.94.148.2] 51 octets ;; HEADER SECTION ;; id = 42343 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN A ;; ANSWER SECTION (1 record) sc.edu. 60 IN A 129.252.90.108 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns0.dnsmadeeasy.com is authoritative for sc.edu
	Query to ns0.dnsmadeeasy.com for sc.edu/A
	Received 51 bytes from 208.94.148.2
	;; Response received from [208.94.148.2] 51 octets ;; HEADER SECTION ;; id = 39145 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN A ;; ANSWER SECTION (1 record) sc.edu. 60 IN A 129.252.90.108 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	sc.edu A RR has value 129.252.90.108
	No RRSIGs found

sc.edu

	Query to ns1.dnsmadeeasy.com for sc.edu/A
	Received 51 bytes from 208.80.124.2
	;; Response received from [208.80.124.2] 51 octets ;; HEADER SECTION ;; id = 30582 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN A ;; ANSWER SECTION (1 record) sc.edu. 60 IN A 129.252.90.108 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns1.dnsmadeeasy.com is authoritative for sc.edu
	Query to ns1.dnsmadeeasy.com for sc.edu/A
	Received 51 bytes from 208.80.124.2
	;; Response received from [208.80.124.2] 51 octets ;; HEADER SECTION ;; id = 15735 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN A ;; ANSWER SECTION (1 record) sc.edu. 60 IN A 129.252.90.108 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	sc.edu A RR has value 129.252.90.108
	No RRSIGs found

sc.edu

	Query to ns3.dnsmadeeasy.com for sc.edu/A
	Received 51 bytes from 208.80.125.2
	;; Response received from [208.80.125.2] 51 octets ;; HEADER SECTION ;; id = 61742 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN A ;; ANSWER SECTION (1 record) sc.edu. 60 IN A 129.252.90.108 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns3.dnsmadeeasy.com is authoritative for sc.edu
	Query to ns3.dnsmadeeasy.com for sc.edu/A
	Received 51 bytes from 208.80.125.2
	;; Response received from [208.80.125.2] 51 octets ;; HEADER SECTION ;; id = 2792 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sc.edu. IN A ;; ANSWER SECTION (1 record) sc.edu. 60 IN A 129.252.90.108 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	sc.edu A RR has value 129.252.90.108
	No RRSIGs found

Move your mouse over any or symbols for remediation hints.

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

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: