DNSSEC Debugger

Domain Name:

Time: 2025-04-23 17:35:58 UTC

Analyzing DNSSEC problems for umd.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 k.root-servers.net for ./DNSKEY
	Received 1139 bytes from 193.0.14.129
	;; Response received from [193.0.14.129] 1139 octets ;; HEADER SECTION ;; id = 61753 ;; 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 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 20250512000000 20250421000000 20326 . d57ThXzGZNbeW1yPlvFiOt+aiFXSHAsVopf8jxG/JBBNh6Hko6Ey94OI82FSawKHQoc63C7Gt2sD Z4HDn6anc8jy5U4E47VDka/vxOCubiJbD+tU62ADZxENh0mHr/jwODZ1kwbtfFZK2LYoqF2FiDsw IFLZ0serEa73QKNZHPnGOuZgeQMJyBNjovFfAYfLQnOeDHjMTlfp6Ly0l5w+OqS37KjkdXvMUd4M i4ls1PNAPq3OyB2QgCcigUtrjx0Bxuu/4yVVCkRyGaa4L3tI9yIDTCHI2+gI48DpxZaN602BJvVg JDaSIqJ5F4I02bJWuI4ksAxB9Pdsae3JeU5ZbQ== ) ;; 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 20250512000000 20250421000000 20326 . d57ThXzGZNbeW1yPlvFiOt+aiFXSHAsVopf8jxG/JBBNh6Hko6Ey94OI82FSawKHQoc63C7Gt2sD Z4HDn6anc8jy5U4E47VDka/vxOCubiJbD+tU62ADZxENh0mHr/jwODZ1kwbtfFZK2LYoqF2FiDsw IFLZ0serEa73QKNZHPnGOuZgeQMJyBNjovFfAYfLQnOeDHjMTlfp6Ly0l5w+OqS37KjkdXvMUd4M i4ls1PNAPq3OyB2QgCcigUtrjx0Bxuu/4yVVCkRyGaa4L3tI9yIDTCHI2+gI48DpxZaN602BJvVg JDaSIqJ5F4I02bJWuI4ksAxB9Pdsae3JeU5ZbQ== )`
	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 j.root-servers.net for umd.edu/A
	Received 1166 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 1166 octets ;; HEADER SECTION ;; id = 64833 ;; 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": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umd.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 20250506050000 20250423040000 53148 . dO1qkshwThLQTFp/wKSUM8cbxugnTp2PdklA6zCfs6MP5q6eSjJMsA1Tj/B6RDAXQUX5hl0t1Nue XKi7ZI+VsstI+2++1tYV6JmZrtzAI9ALw00s3L0ipkAiTNcG/VhchySJu2P6sXA4PT3V5eD7fWBH z7Pbuz5s/KNid7zf//yICIDWOJ0EgXxtd+dKe3N30IcVkzs/zAsxB4qDm6z+fn6svP/pKXfmaDeA k5qanhQboSKDlDJjqFtTqUdC20rbeVPpf1IQfP/eJxGT85vxsb15j0mK8mArMS5tvuTm/JHQpkLN uXloQ4CThDUVeKg188jHVZrvf+/EzGbbqbZEOg== ) ;; 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 i.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 1162 octets ;; HEADER SECTION ;; id = 55011 ;; 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 b.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.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 20250506050000 20250423040000 53148 . dO1qkshwThLQTFp/wKSUM8cbxugnTp2PdklA6zCfs6MP5q6eSjJMsA1Tj/B6RDAXQUX5hl0t1Nue XKi7ZI+VsstI+2++1tYV6JmZrtzAI9ALw00s3L0ipkAiTNcG/VhchySJu2P6sXA4PT3V5eD7fWBH z7Pbuz5s/KNid7zf//yICIDWOJ0EgXxtd+dKe3N30IcVkzs/zAsxB4qDm6z+fn6svP/pKXfmaDeA k5qanhQboSKDlDJjqFtTqUdC20rbeVPpf1IQfP/eJxGT85vxsb15j0mK8mArMS5tvuTm/JHQpkLN uXloQ4CThDUVeKg188jHVZrvf+/EzGbbqbZEOg== ) ;; ADDITIONAL SECTION (27 records) m.edu-servers.net. 172800 IN A 192.55.83.30 l.edu-servers.net. 172800 IN A 192.41.162.30 k.edu-servers.net. 172800 IN A 192.52.178.30 j.edu-servers.net. 172800 IN A 192.48.79.30 i.edu-servers.net. 172800 IN A 192.43.172.30 h.edu-servers.net. 172800 IN A 192.54.112.30 g.edu-servers.net. 172800 IN A 192.42.93.30 f.edu-servers.net. 172800 IN A 192.35.51.30 e.edu-servers.net. 172800 IN A 192.12.94.30 d.edu-servers.net. 172800 IN A 192.31.80.30 c.edu-servers.net. 172800 IN A 192.26.92.30 b.edu-servers.net. 172800 IN A 192.33.14.30 a.edu-servers.net. 172800 IN A 192.5.6.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 ;; { "EDNS-VERSION": 0 }
	Found child zone edu

edu

	Checking DS between . and edu
	Query to j.root-servers.net for edu/DS
	Received 367 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 367 octets ;; HEADER SECTION ;; id = 45682 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DS ;; ANSWER SECTION (2 records) edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20250506050000 20250423040000 53148 . dO1qkshwThLQTFp/wKSUM8cbxugnTp2PdklA6zCfs6MP5q6eSjJMsA1Tj/B6RDAXQUX5hl0t1Nue XKi7ZI+VsstI+2++1tYV6JmZrtzAI9ALw00s3L0ipkAiTNcG/VhchySJu2P6sXA4PT3V5eD7fWBH z7Pbuz5s/KNid7zf//yICIDWOJ0EgXxtd+dKe3N30IcVkzs/zAsxB4qDm6z+fn6svP/pKXfmaDeA k5qanhQboSKDlDJjqFtTqUdC20rbeVPpf1IQfP/eJxGT85vxsb15j0mK8mArMS5tvuTm/JHQpkLN uXloQ4CThDUVeKg188jHVZrvf+/EzGbbqbZEOg== ) ;; 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 20250506050000 20250423040000 53148 . dO1qkshwThLQTFp/wKSUM8cbxugnTp2PdklA6zCfs6MP5q6eSjJMsA1Tj/B6RDAXQUX5hl0t1Nue XKi7ZI+VsstI+2++1tYV6JmZrtzAI9ALw00s3L0ipkAiTNcG/VhchySJu2P6sXA4PT3V5eD7fWBH z7Pbuz5s/KNid7zf//yICIDWOJ0EgXxtd+dKe3N30IcVkzs/zAsxB4qDm6z+fn6svP/pKXfmaDeA k5qanhQboSKDlDJjqFtTqUdC20rbeVPpf1IQfP/eJxGT85vxsb15j0mK8mArMS5tvuTm/JHQpkLN uXloQ4CThDUVeKg188jHVZrvf+/EzGbbqbZEOg== )`
	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 m.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.55.83.30
	;; Response received from [192.55.83.30] 291 octets ;; HEADER SECTION ;; id = 40441 ;; 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 20250505151114 20250420150614 35663 edu. is07qJWJ2CsPgK4pyKnFplVCMfKHbGoSKZAMF2u48l3YaQFzxlMOfrjTSxZPgj2IJX4svHTlf6mo EJQ2OrkbEw== ) ;; 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 20250505151114 20250420150614 35663 edu. is07qJWJ2CsPgK4pyKnFplVCMfKHbGoSKZAMF2u48l3YaQFzxlMOfrjTSxZPgj2IJX4svHTlf6mo EJQ2OrkbEw== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=57579 is now in the chain-of-trust
	Query to h.edu-servers.net for umd.edu/A
	Received 498 bytes from 192.54.112.30
	;; Response received from [192.54.112.30] 498 octets ;; HEADER SECTION ;; id = 48291 ;; 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 = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umd.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) umd.edu. 172800 IN NS ns1.umd.edu. umd.edu. 172800 IN NS ns2.umd.edu. umd.edu. 172800 IN NS ns.ums.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20250427025504 20250420014504 57579 edu. kq12zITq4qVJjtj1/AWybFV0h0d0lymY9vfGf/Og7pu5CP5k5sVfDBLLdeJtlMsyB6oUWWeXh/r3 rvOgFB5CaA== ) 0O0PSO699UI8D0PICNMPL8KI6OI7NUUB.edu. 900 IN NSEC3 ( 1 1 0 - 11dc2btsp0nirq8kjman6lirlgjsbae0 NS DS RRSIG ) 0O0PSO699UI8D0PICNMPL8KI6OI7NUUB.edu. 900 IN RRSIG ( NSEC3 13 2 900 20250429041030 20250422030030 57579 edu. 8hN5uf5427Jvae661KPLAg/8l9fX3bWK3GkhYZrMD4hH9y0h37JQUjSR7nOXT+Ykg+eaBeF9oUEd xHwGDu9JJQ== ) ;; ADDITIONAL SECTION (4 records) ns1.umd.edu. 172800 IN A 128.8.74.3 ns2.umd.edu. 172800 IN A 128.8.76.3 ns.ums.edu. 172800 IN A 131.118.254.1 ;; { "EDNS-VERSION": 0 }
	Query to h.edu-servers.net for umd.edu/DNSKEY
	Received 498 bytes from 192.54.112.30
	;; Response received from [192.54.112.30] 498 octets ;; HEADER SECTION ;; id = 34819 ;; 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 = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umd.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) umd.edu. 172800 IN NS ns1.umd.edu. umd.edu. 172800 IN NS ns2.umd.edu. umd.edu. 172800 IN NS ns.ums.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20250427025504 20250420014504 57579 edu. kq12zITq4qVJjtj1/AWybFV0h0d0lymY9vfGf/Og7pu5CP5k5sVfDBLLdeJtlMsyB6oUWWeXh/r3 rvOgFB5CaA== ) 0O0PSO699UI8D0PICNMPL8KI6OI7NUUB.edu. 900 IN NSEC3 ( 1 1 0 - 11dc2btsp0nirq8kjman6lirlgjsbae0 NS DS RRSIG ) 0O0PSO699UI8D0PICNMPL8KI6OI7NUUB.edu. 900 IN RRSIG ( NSEC3 13 2 900 20250429041030 20250422030030 57579 edu. 8hN5uf5427Jvae661KPLAg/8l9fX3bWK3GkhYZrMD4hH9y0h37JQUjSR7nOXT+Ykg+eaBeF9oUEd xHwGDu9JJQ== ) ;; ADDITIONAL SECTION (4 records) ns1.umd.edu. 172800 IN A 128.8.74.3 ns2.umd.edu. 172800 IN A 128.8.76.3 ns.ums.edu. 172800 IN A 131.118.254.1 ;; { "EDNS-VERSION": 0 }
	Found child zone umd.edu

umd.edu

	Checking DS between edu and umd.edu
	Query to e.edu-servers.net for umd.edu/DS
	Received 567 bytes from 192.12.94.30
	;; Response received from [192.12.94.30] 567 octets ;; HEADER SECTION ;; id = 4703 ;; 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) ;; umd.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 20250427025504 20250420014504 57579 edu. kq12zITq4qVJjtj1/AWybFV0h0d0lymY9vfGf/Og7pu5CP5k5sVfDBLLdeJtlMsyB6oUWWeXh/r3 rvOgFB5CaA== ) edu. 900 IN SOA ( a.edu-servers.net. nstld.verisign-grs.com. 1745429740 ;serial 1800 ;refresh 900 ;retry 604800 ;expire 900 ;minimum ) edu. 900 IN RRSIG ( SOA 13 1 900 20250430173540 20250423162540 57579 edu. d8QJa+9WJWho5gXjVVHyntzqklQhgGkv6cTUaCwt+AZk7YxyGuVQhDOFK3HdPLhC4MAWw8Oy1QYC ZCysL4WPLw== ) 0O0PSO699UI8D0PICNMPL8KI6OI7NUUB.edu. 900 IN NSEC3 ( 1 1 0 - 11dc2btsp0nirq8kjman6lirlgjsbae0 NS DS RRSIG ) 0O0PSO699UI8D0PICNMPL8KI6OI7NUUB.edu. 900 IN RRSIG ( NSEC3 13 2 900 20250429041030 20250422030030 57579 edu. 8hN5uf5427Jvae661KPLAg/8l9fX3bWK3GkhYZrMD4hH9y0h37JQUjSR7nOXT+Ykg+eaBeF9oUEd xHwGDu9JJQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for umd.edu in the edu zone
	Query to ns1.umd.edu for umd.edu/DNSKEY
	Received 99 bytes from 128.8.74.3
	;; Response received from [128.8.74.3] 99 octets ;; HEADER SECTION ;; id = 11403 ;; 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) ;; umd.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) umd.edu. 300 IN SOA ( blox.net.umd.edu. hostmaster.umd.edu. 2821477648 ;serial 14400 ;refresh 3600 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to ns2.umd.edu for umd.edu/A
	Received 52 bytes from 128.8.76.3
	;; Response received from [128.8.76.3] 52 octets ;; HEADER SECTION ;; id = 6963 ;; 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) ;; umd.edu. IN A ;; ANSWER SECTION (1 record) umd.edu. 300 IN A 94.247.142.1 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.umd.edu is authoritative for umd.edu
	Query to ns1.umd.edu for umd.edu/SOA
	Received 99 bytes from 128.8.74.3
	;; Response received from [128.8.74.3] 99 octets ;; HEADER SECTION ;; id = 677 ;; 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) ;; umd.edu. IN SOA ;; ANSWER SECTION (1 record) umd.edu. 14400 IN SOA ( blox.net.umd.edu. hostmaster.umd.edu. 2821477648 ;serial 14400 ;refresh 3600 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns.ums.edu for umd.edu/SOA
	Received 197 bytes from 131.118.254.1
	;; Response received from [131.118.254.1] 197 octets ;; HEADER SECTION ;; id = 42296 ;; 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 = 3 arcount = 3 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; umd.edu. IN SOA ;; ANSWER SECTION (1 record) umd.edu. 14400 IN SOA ( blox.net.umd.edu. hostmaster.umd.edu. 2821477635 ;serial 14400 ;refresh 3600 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (3 records) umd.edu. 14400 IN NS ns1.umd.edu. umd.edu. 14400 IN NS ns.ums.edu. umd.edu. 14400 IN NS ns2.umd.edu. ;; ADDITIONAL SECTION (3 records) ns1.umd.edu. 14400 IN A 128.8.74.3 ns2.umd.edu. 14400 IN A 128.8.76.3 ;; { "EDNS-VERSION": 0 }
	ns.ums.edu serial (2821477635) differs from ns1.umd.edu serial (2821477648)
	Query to ns2.umd.edu for umd.edu/A
	Received 52 bytes from 128.8.76.3
	;; Response received from [128.8.76.3] 52 octets ;; HEADER SECTION ;; id = 39374 ;; 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) ;; umd.edu. IN A ;; ANSWER SECTION (1 record) umd.edu. 300 IN A 94.247.142.1 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	umd.edu A RR has value 94.247.142.1
	No RRSIGs found

umd.edu

	Query to ns.ums.edu for umd.edu/A
	Received 150 bytes from 131.118.254.1
	;; Response received from [131.118.254.1] 150 octets ;; HEADER SECTION ;; id = 51007 ;; 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 = 3 arcount = 3 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; umd.edu. IN A ;; ANSWER SECTION (1 record) umd.edu. 300 IN A 94.247.142.1 ;; AUTHORITY SECTION (3 records) umd.edu. 14400 IN NS ns.ums.edu. umd.edu. 14400 IN NS ns2.umd.edu. umd.edu. 14400 IN NS ns1.umd.edu. ;; ADDITIONAL SECTION (3 records) ns1.umd.edu. 14400 IN A 128.8.74.3 ns2.umd.edu. 14400 IN A 128.8.76.3 ;; { "EDNS-VERSION": 0 }
	ns.ums.edu is authoritative for umd.edu
	Query to ns.ums.edu for umd.edu/A
	Received 150 bytes from 131.118.254.1
	;; Response received from [131.118.254.1] 150 octets ;; HEADER SECTION ;; id = 18942 ;; 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 = 3 arcount = 3 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; umd.edu. IN A ;; ANSWER SECTION (1 record) umd.edu. 300 IN A 94.247.142.1 ;; AUTHORITY SECTION (3 records) umd.edu. 14400 IN NS ns2.umd.edu. umd.edu. 14400 IN NS ns.ums.edu. umd.edu. 14400 IN NS ns1.umd.edu. ;; ADDITIONAL SECTION (3 records) ns1.umd.edu. 14400 IN A 128.8.74.3 ns2.umd.edu. 14400 IN A 128.8.76.3 ;; { "EDNS-VERSION": 0 }
	umd.edu A RR has value 94.247.142.1
	No RRSIGs found

umd.edu

	Query to ns1.umd.edu for umd.edu/A
	Received 52 bytes from 128.8.74.3
	;; Response received from [128.8.74.3] 52 octets ;; HEADER SECTION ;; id = 26206 ;; 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) ;; umd.edu. IN A ;; ANSWER SECTION (1 record) umd.edu. 300 IN A 94.247.142.1 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns1.umd.edu is authoritative for umd.edu
	Query to ns1.umd.edu for umd.edu/A
	Received 52 bytes from 128.8.74.3
	;; Response received from [128.8.74.3] 52 octets ;; HEADER SECTION ;; id = 10705 ;; 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) ;; umd.edu. IN A ;; ANSWER SECTION (1 record) umd.edu. 300 IN A 94.247.142.1 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	umd.edu A RR has value 94.247.142.1
	No RRSIGs found

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