DNSSEC Debugger - northwestern.edu

Domain Name:

Time: 2025-05-21 04:32:24 UTC

Analyzing DNSSEC problems for northwestern.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 a.root-servers.net for ./DNSKEY
	Received 1139 bytes from 198.41.0.4
	;; Response received from [198.41.0.4] 1139 octets ;; HEADER SECTION ;; id = 58791 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 4 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148 . 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 20250601000000 20250511000000 20326 . VWTPvGJYPHue7aTc+b49y1cCggFM0t6ULKEPuAeITCgRgd5aAee5yrqEirwkq/Us7zDM1g1HliOO L8kCVbZ6ub5esuVSjlZ/mcEOdlOrkXt4I6AiVhAbaaCaOsEO7XiNaEWbNqiSQ0RcS7h2/A1E7thx F4xr9n8IXSI9bzyoGsH+HBf01Pne5ko34JgS2AuQj6pmksimN0GZ+/TTTtuo0w+mBbWswth1HCB6 5KuFuKfT4T97pLDK1ElPsFR2Ue7m7HMZeKfsb4nWg7LOCfGQVVu+bOVlgqIduXVgu/MsGbGd1A4+ /Wq7j5l7451NQeXfapnGtgJK9tsD1e1yZ83AbQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 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 ( 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 20250601000000 20250511000000 20326 . VWTPvGJYPHue7aTc+b49y1cCggFM0t6ULKEPuAeITCgRgd5aAee5yrqEirwkq/Us7zDM1g1HliOO L8kCVbZ6ub5esuVSjlZ/mcEOdlOrkXt4I6AiVhAbaaCaOsEO7XiNaEWbNqiSQ0RcS7h2/A1E7thx F4xr9n8IXSI9bzyoGsH+HBf01Pne5ko34JgS2AuQj6pmksimN0GZ+/TTTtuo0w+mBbWswth1HCB6 5KuFuKfT4T97pLDK1ElPsFR2Ue7m7HMZeKfsb4nWg7LOCfGQVVu+bOVlgqIduXVgu/MsGbGd1A4+ /Wq7j5l7451NQeXfapnGtgJK9tsD1e1yZ83AbQ== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=53148 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to e.root-servers.net for northwestern.edu/A
	Received 1175 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 1175 octets ;; HEADER SECTION ;; id = 44221 ;; 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) ;; northwestern.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 20250602170000 20250520160000 53148 . rwzQP01NkNsWjdza1C21ZcPuxbxRB2Am4HR3dWQ/OhOYXd/Kq2siA8rm3T1jZuM7dkR+jF4hihs9 vsupO20uVcWAnLFD6U9vTfDGrKOE7l7/4iBmv6UjeC+6eihFXtcKruARfeukYm8kptkLdcmiohbC D/OIKnb54gBv7ooUaBEdK9LwBaSi/NzwJ3pVlqH4rrYNMWbdTaNivC66OBbolSodimEms4ExHZdG qqdt39NBsi6hdseR4Mbh2IRmO6t6uB80GlrZ/ZEyDesCUNXPyzg7srOqsdrZvILfmv+brT4IwpSS SklkU6CDGqKT2Qm4+rd3185/5Eb6pIaYQ1ttZA== ) ;; 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 }
	Query to h.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 1162 octets ;; HEADER SECTION ;; id = 46898 ;; 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 20250602170000 20250520160000 53148 . rwzQP01NkNsWjdza1C21ZcPuxbxRB2Am4HR3dWQ/OhOYXd/Kq2siA8rm3T1jZuM7dkR+jF4hihs9 vsupO20uVcWAnLFD6U9vTfDGrKOE7l7/4iBmv6UjeC+6eihFXtcKruARfeukYm8kptkLdcmiohbC D/OIKnb54gBv7ooUaBEdK9LwBaSi/NzwJ3pVlqH4rrYNMWbdTaNivC66OBbolSodimEms4ExHZdG qqdt39NBsi6hdseR4Mbh2IRmO6t6uB80GlrZ/ZEyDesCUNXPyzg7srOqsdrZvILfmv+brT4IwpSS SklkU6CDGqKT2Qm4+rd3185/5Eb6pIaYQ1ttZA== ) ;; 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 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 = 59356 ;; 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 20250602170000 20250520160000 53148 . rwzQP01NkNsWjdza1C21ZcPuxbxRB2Am4HR3dWQ/OhOYXd/Kq2siA8rm3T1jZuM7dkR+jF4hihs9 vsupO20uVcWAnLFD6U9vTfDGrKOE7l7/4iBmv6UjeC+6eihFXtcKruARfeukYm8kptkLdcmiohbC D/OIKnb54gBv7ooUaBEdK9LwBaSi/NzwJ3pVlqH4rrYNMWbdTaNivC66OBbolSodimEms4ExHZdG qqdt39NBsi6hdseR4Mbh2IRmO6t6uB80GlrZ/ZEyDesCUNXPyzg7srOqsdrZvILfmv+brT4IwpSS SklkU6CDGqKT2Qm4+rd3185/5Eb6pIaYQ1ttZA== ) ;; 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 20250602170000 20250520160000 53148 . rwzQP01NkNsWjdza1C21ZcPuxbxRB2Am4HR3dWQ/OhOYXd/Kq2siA8rm3T1jZuM7dkR+jF4hihs9 vsupO20uVcWAnLFD6U9vTfDGrKOE7l7/4iBmv6UjeC+6eihFXtcKruARfeukYm8kptkLdcmiohbC D/OIKnb54gBv7ooUaBEdK9LwBaSi/NzwJ3pVlqH4rrYNMWbdTaNivC66OBbolSodimEms4ExHZdG qqdt39NBsi6hdseR4Mbh2IRmO6t6uB80GlrZ/ZEyDesCUNXPyzg7srOqsdrZvILfmv+brT4IwpSS SklkU6CDGqKT2Qm4+rd3185/5Eb6pIaYQ1ttZA== )`
	RRSIG=53148 and DNSKEY=53148 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 k.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.52.178.30
	;; Response received from [192.52.178.30] 291 octets ;; HEADER SECTION ;; id = 38082 ;; 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 5ImtzG5OqHjNCOhBhQ+IzNMnu0KKRiLUf5wOtBlFSIlmoG0Nv7rhyhCBj2PzyDy3+V0Ncgr5z1GD hOM2W3JcFQ== ) ; keytag 57579 edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20250604151114 20250520150614 35663 edu. 4XfaS4U6KIc+nIwVKqRhUcL6SJno6ei3/P5by2m83Ac7x5RAsvFbAfFRxREKT7OwzXqT4wvh4Fep DbyQxFq3Yw== ) ;; 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 5ImtzG5OqHjNCOhBhQ+IzNMnu0KKRiLUf5wOtBlFSIlmoG0Nv7rhyhCBj2PzyDy3+V0Ncgr5z1GD hOM2W3JcFQ== ) ; keytag 57579`
	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 20250604151114 20250520150614 35663 edu. 4XfaS4U6KIc+nIwVKqRhUcL6SJno6ei3/P5by2m83Ac7x5RAsvFbAfFRxREKT7OwzXqT4wvh4Fep DbyQxFq3Yw== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=57579 is now in the chain-of-trust
	Query to k.edu-servers.net for northwestern.edu/A
	Received 477 bytes from 192.52.178.30
	;; Response received from [192.52.178.30] 477 octets ;; HEADER SECTION ;; id = 46667 ;; 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 = 3 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; northwestern.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) northwestern.edu. 172800 IN NS accuvax.northwestern.edu. northwestern.edu. 172800 IN NS cicada.northwestern.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20250525043404 20250518032404 57579 edu. WF7xFTQuUpOoMScpWAher9n1s6LjR+J/uYuV8Of2CMLadN1P9HGlyg2GSuwHi6YgnwbwTbOzQW0I jeHDSgD46A== ) SIG002QSEF2GNT8UNID0JJM5B4T3LOUR.edu. 900 IN NSEC3 ( 1 1 0 - st1t3hnli60u1mjkqo12d58qo8knnfpe NS DS RRSIG ) SIG002QSEF2GNT8UNID0JJM5B4T3LOUR.edu. 900 IN RRSIG ( NSEC3 13 2 900 20250528025210 20250521014210 57579 edu. MHQGnyeVRW6mxfYo1IKxEQ7Hww4twZy6xPRwbYT8HJjk16QOD/U2t19znkX123P/CIRtI6yaaH3G QhmBL6dOzA== ) ;; ADDITIONAL SECTION (3 records) accuvax.northwestern.edu. 172800 IN A 129.105.49.100 cicada.northwestern.edu. 172800 IN A 18.216.244.66 ;; { "EDNS-VERSION": 0 }
	Query to k.edu-servers.net for northwestern.edu/DNSKEY
	Received 477 bytes from 192.52.178.30
	;; Response received from [192.52.178.30] 477 octets ;; HEADER SECTION ;; id = 64705 ;; 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 = 3 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; northwestern.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) northwestern.edu. 172800 IN NS accuvax.northwestern.edu. northwestern.edu. 172800 IN NS cicada.northwestern.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20250525043404 20250518032404 57579 edu. WF7xFTQuUpOoMScpWAher9n1s6LjR+J/uYuV8Of2CMLadN1P9HGlyg2GSuwHi6YgnwbwTbOzQW0I jeHDSgD46A== ) SIG002QSEF2GNT8UNID0JJM5B4T3LOUR.edu. 900 IN NSEC3 ( 1 1 0 - st1t3hnli60u1mjkqo12d58qo8knnfpe NS DS RRSIG ) SIG002QSEF2GNT8UNID0JJM5B4T3LOUR.edu. 900 IN RRSIG ( NSEC3 13 2 900 20250528025210 20250521014210 57579 edu. MHQGnyeVRW6mxfYo1IKxEQ7Hww4twZy6xPRwbYT8HJjk16QOD/U2t19znkX123P/CIRtI6yaaH3G QhmBL6dOzA== ) ;; ADDITIONAL SECTION (3 records) accuvax.northwestern.edu. 172800 IN A 129.105.49.100 cicada.northwestern.edu. 172800 IN A 18.216.244.66 ;; { "EDNS-VERSION": 0 }
	Found child zone northwestern.edu

northwestern.edu

	Checking DS between edu and northwestern.edu
	Query to k.edu-servers.net for northwestern.edu/DS
	Received 576 bytes from 192.52.178.30
	;; Response received from [192.52.178.30] 576 octets ;; HEADER SECTION ;; id = 25239 ;; 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) ;; northwestern.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 20250525043404 20250518032404 57579 edu. WF7xFTQuUpOoMScpWAher9n1s6LjR+J/uYuV8Of2CMLadN1P9HGlyg2GSuwHi6YgnwbwTbOzQW0I jeHDSgD46A== ) edu. 900 IN SOA ( a.edu-servers.net. nstld.verisign-grs.com. 1747801922 ;serial 1800 ;refresh 900 ;retry 604800 ;expire 900 ;minimum ) edu. 900 IN RRSIG ( SOA 13 1 900 20250528043202 20250521032202 57579 edu. v6yIzxB9gV16cNxfbPvtybQuxBXvjiaWyJPI4543j+npv7FnFrfPn9E5RtxoE+DcY/Gqhir+2xew yJMfaO8gZw== ) SIG002QSEF2GNT8UNID0JJM5B4T3LOUR.edu. 900 IN NSEC3 ( 1 1 0 - st1t3hnli60u1mjkqo12d58qo8knnfpe NS DS RRSIG ) SIG002QSEF2GNT8UNID0JJM5B4T3LOUR.edu. 900 IN RRSIG ( NSEC3 13 2 900 20250528025210 20250521014210 57579 edu. MHQGnyeVRW6mxfYo1IKxEQ7Hww4twZy6xPRwbYT8HJjk16QOD/U2t19znkX123P/CIRtI6yaaH3G QhmBL6dOzA== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for northwestern.edu in the edu zone
	Query to cicada.northwestern.edu for northwestern.edu/DNSKEY
	Received 107 bytes from 18.216.244.66
	;; Response received from [18.216.244.66] 107 octets ;; HEADER SECTION ;; id = 38676 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; northwestern.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) northwestern.edu. 600 IN SOA ( infoblox.ittns.northwestern.edu. hostmaster.northwestern.edu. 4024902024 ;serial 14400 ;refresh 3600 ;retry 604800 ;expire 600 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to cicada.northwestern.edu for northwestern.edu/A
	Received 61 bytes from 18.216.244.66
	;; Response received from [18.216.244.66] 61 octets ;; HEADER SECTION ;; id = 19090 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; northwestern.edu. IN A ;; ANSWER SECTION (1 record) northwestern.edu. 7 IN A 129.105.136.48 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	cicada.northwestern.edu is authoritative for northwestern.edu
	Query to accuvax.northwestern.edu for northwestern.edu/SOA
	Received 107 bytes from 129.105.49.100
	;; Response received from [129.105.49.100] 107 octets ;; HEADER SECTION ;; id = 48380 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; northwestern.edu. IN SOA ;; ANSWER SECTION (1 record) northwestern.edu. 14400 IN SOA ( infoblox.ittns.northwestern.edu. hostmaster.northwestern.edu. 4024902024 ;serial 14400 ;refresh 3600 ;retry 604800 ;expire 600 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to cicada.northwestern.edu for northwestern.edu/A
	Received 61 bytes from 18.216.244.66
	;; Response received from [18.216.244.66] 61 octets ;; HEADER SECTION ;; id = 15370 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; northwestern.edu. IN A ;; ANSWER SECTION (1 record) northwestern.edu. 7 IN A 129.105.136.48 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	northwestern.edu A RR has value 129.105.136.48
	No RRSIGs found

northwestern.edu

	Query to accuvax.northwestern.edu for northwestern.edu/A
	Received 61 bytes from 129.105.49.100
	;; Response received from [129.105.49.100] 61 octets ;; HEADER SECTION ;; id = 23604 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; northwestern.edu. IN A ;; ANSWER SECTION (1 record) northwestern.edu. 7 IN A 129.105.136.48 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	accuvax.northwestern.edu is authoritative for northwestern.edu
	Query to accuvax.northwestern.edu for northwestern.edu/A
	Received 61 bytes from 129.105.49.100
	;; Response received from [129.105.49.100] 61 octets ;; HEADER SECTION ;; id = 13423 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; northwestern.edu. IN A ;; ANSWER SECTION (1 record) northwestern.edu. 7 IN A 129.105.136.48 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	northwestern.edu A RR has value 129.105.136.48
	No RRSIGs found

Move your mouse over any or symbols for remediation hints.

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

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: