DNSSEC Debugger

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Time: 2026-05-17 17:39:12 UTC

Analyzing DNSSEC problems for umd.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 i.root-servers.net for ./DNSKEY
	Received 1139 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 1139 octets ;; HEADER SECTION ;; id = 41240 ;; 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 ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 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 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20260601000000 20260511000000 20326 . Psn+BsMNwRdKsw1pSQPmOm/QeUqgjveusWdT5NL9sOxccMKpzbYOgLqYNmJsOrAjj0MDy0/X/xbU gAGdRVuOt9mv4yk+TaBs7rpd0IgDZu++2bIAvxu3W82fKEKpJqLucDiPu1l+GKZ87zRYrJrQZZWk 01LmCEIIED9P62/QbhdDVIG3ZdcvXQpRPjWyQOom2tZ0APZ+59PyOxjNMgnOaeoAD8QWZ+iKVY8k o2GRoHRqrzEq46SGDh1YuFxuw67oG7mn+Mt2b9HUjYWgQCvBRSUMb4XRxhNnKQiOS4ECEXCDozMD yXk8727l6bFK0THkaFEqW64F/5CAL8adNRyUoQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 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 ( 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 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 20260601000000 20260511000000 20326 . Psn+BsMNwRdKsw1pSQPmOm/QeUqgjveusWdT5NL9sOxccMKpzbYOgLqYNmJsOrAjj0MDy0/X/xbU gAGdRVuOt9mv4yk+TaBs7rpd0IgDZu++2bIAvxu3W82fKEKpJqLucDiPu1l+GKZ87zRYrJrQZZWk 01LmCEIIED9P62/QbhdDVIG3ZdcvXQpRPjWyQOom2tZ0APZ+59PyOxjNMgnOaeoAD8QWZ+iKVY8k o2GRoHRqrzEq46SGDh1YuFxuw67oG7mn+Mt2b9HUjYWgQCvBRSUMb4XRxhNnKQiOS4ECEXCDozMD yXk8727l6bFK0THkaFEqW64F/5CAL8adNRyUoQ== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=54393 is now in the chain-of-trust
	Query to d.root-servers.net for umd.edu/A
	Received 1166 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 1166 octets ;; HEADER SECTION ;; id = 19261 ;; 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": 1450, ;; "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 20260530050000 20260517040000 54393 . a+FF6k0xoDu/hTXJcFC6jzqQJCDnceRO1umP0ahF2SIt0sGK9s8P634M4tYSqTyrkj1W00gHipEP 0NDG5gUk4YxeIdwnU42d53K2bdaauftUciPhXV22kyrH8CxtLMlZWLqp7wrD1a+Jc9CGfTkWmwYN hWSVow98+XznRigdOXb48gdJTnbxuKBmUySWNd58bDJ4//CwuHV79tVQMrkVWVc4dpAiTLQ+8WAT Y9euRHloTX1JuHVRXiLIM+N44osOJe2gdfAgBljPhKk6za7yoTNd4aky9z01s5hThLzMstWJ6nP8 vVe3CqRA+fzUBIf345x7/E/oN9DXeZ7n4cPy4A== ) ;; 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 d.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 1162 octets ;; HEADER SECTION ;; id = 52395 ;; 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": 1450, ;; "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 20260530050000 20260517040000 54393 . a+FF6k0xoDu/hTXJcFC6jzqQJCDnceRO1umP0ahF2SIt0sGK9s8P634M4tYSqTyrkj1W00gHipEP 0NDG5gUk4YxeIdwnU42d53K2bdaauftUciPhXV22kyrH8CxtLMlZWLqp7wrD1a+Jc9CGfTkWmwYN hWSVow98+XznRigdOXb48gdJTnbxuKBmUySWNd58bDJ4//CwuHV79tVQMrkVWVc4dpAiTLQ+8WAT Y9euRHloTX1JuHVRXiLIM+N44osOJe2gdfAgBljPhKk6za7yoTNd4aky9z01s5hThLzMstWJ6nP8 vVe3CqRA+fzUBIf345x7/E/oN9DXeZ7n4cPy4A== ) ;; 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 h.root-servers.net for edu/DS
	Received 367 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 367 octets ;; HEADER SECTION ;; id = 64072 ;; 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 20260530050000 20260517040000 54393 . a+FF6k0xoDu/hTXJcFC6jzqQJCDnceRO1umP0ahF2SIt0sGK9s8P634M4tYSqTyrkj1W00gHipEP 0NDG5gUk4YxeIdwnU42d53K2bdaauftUciPhXV22kyrH8CxtLMlZWLqp7wrD1a+Jc9CGfTkWmwYN hWSVow98+XznRigdOXb48gdJTnbxuKBmUySWNd58bDJ4//CwuHV79tVQMrkVWVc4dpAiTLQ+8WAT Y9euRHloTX1JuHVRXiLIM+N44osOJe2gdfAgBljPhKk6za7yoTNd4aky9z01s5hThLzMstWJ6nP8 vVe3CqRA+fzUBIf345x7/E/oN9DXeZ7n4cPy4A== ) ;; 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 20260530050000 20260517040000 54393 . a+FF6k0xoDu/hTXJcFC6jzqQJCDnceRO1umP0ahF2SIt0sGK9s8P634M4tYSqTyrkj1W00gHipEP 0NDG5gUk4YxeIdwnU42d53K2bdaauftUciPhXV22kyrH8CxtLMlZWLqp7wrD1a+Jc9CGfTkWmwYN hWSVow98+XznRigdOXb48gdJTnbxuKBmUySWNd58bDJ4//CwuHV79tVQMrkVWVc4dpAiTLQ+8WAT Y9euRHloTX1JuHVRXiLIM+N44osOJe2gdfAgBljPhKk6za7yoTNd4aky9z01s5hThLzMstWJ6nP8 vVe3CqRA+fzUBIf345x7/E/oN9DXeZ7n4cPy4A== )`
	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 f.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.35.51.30
	;; Response received from [192.35.51.30] 291 octets ;; HEADER SECTION ;; id = 39382 ;; 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 ( 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 RRSIG ( DNSKEY 13 1 86400 20260530151114 20260515150614 35663 edu. 1wLUhBQMKwrk0+jRTrasR+LjCAU9JhXeK7p5/Ur9BaOnFToDlr7wQ7//2Q7XmlNWjEEhc4Ee8pWE PAhq83RYOQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 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`
	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 20260530151114 20260515150614 35663 edu. 1wLUhBQMKwrk0+jRTrasR+LjCAU9JhXeK7p5/Ur9BaOnFToDlr7wQ7//2Q7XmlNWjEEhc4Ee8pWE PAhq83RYOQ== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=37239 is now in the chain-of-trust
	Query to c.edu-servers.net for umd.edu/A
	Received 498 bytes from 192.26.92.30
	;; Response received from [192.26.92.30] 498 octets ;; HEADER SECTION ;; id = 35381 ;; 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 20260524001839 20260516230839 37239 edu. CqVpYig5SXRqrYieUSYOUh4+MYhRHaxgYF56tsXpb3cL8UC0Bva2lkVQvva9vGLMuSPmK7QBZnzj jw4EviIBrA== ) 0QVPJKK13RT6VRUOFCRKJLLMUQAAM0KC.edu. 900 IN NSEC3 ( 1 1 0 - 11dc2btsp0nirq8kjman6lirlgjsbae0 NS DS RRSIG ) 0QVPJKK13RT6VRUOFCRKJLLMUQAAM0KC.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260522031713 20260515020713 37239 edu. I3g7P9ds2uih/I6p6sulMEdqcSN6lU7uuM+UoShW9KeX1C68Fx5xRGN0lue9tJoAepMXFQWeorG2 PZHF1S+q0A== ) ;; 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 b.edu-servers.net for umd.edu/DNSKEY
	Received 498 bytes from 192.33.14.30
	;; Response received from [192.33.14.30] 498 octets ;; HEADER SECTION ;; id = 31264 ;; 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 20260524001839 20260516230839 37239 edu. CqVpYig5SXRqrYieUSYOUh4+MYhRHaxgYF56tsXpb3cL8UC0Bva2lkVQvva9vGLMuSPmK7QBZnzj jw4EviIBrA== ) 0QVPJKK13RT6VRUOFCRKJLLMUQAAM0KC.edu. 900 IN NSEC3 ( 1 1 0 - 11dc2btsp0nirq8kjman6lirlgjsbae0 NS DS RRSIG ) 0QVPJKK13RT6VRUOFCRKJLLMUQAAM0KC.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260522031713 20260515020713 37239 edu. I3g7P9ds2uih/I6p6sulMEdqcSN6lU7uuM+UoShW9KeX1C68Fx5xRGN0lue9tJoAepMXFQWeorG2 PZHF1S+q0A== ) ;; 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 c.edu-servers.net for umd.edu/DS
	Received 567 bytes from 192.26.92.30
	;; Response received from [192.26.92.30] 567 octets ;; HEADER SECTION ;; id = 61419 ;; 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 20260524001839 20260516230839 37239 edu. CqVpYig5SXRqrYieUSYOUh4+MYhRHaxgYF56tsXpb3cL8UC0Bva2lkVQvva9vGLMuSPmK7QBZnzj jw4EviIBrA== ) edu. 900 IN SOA ( a.edu-servers.net. nstld.verisign-grs.com. 1779039528 ;serial 1800 ;refresh 900 ;retry 604800 ;expire 900 ;minimum ) edu. 900 IN RRSIG ( SOA 13 1 900 20260524173848 20260517162848 37239 edu. X081DbyetI+cVifJHbtQGDixpdXWubENoJXn1WQDqpOz89/40uBfIgt7aD7HlNosxM9DKJVyd8VQ T+lvzH1/9w== ) 0QVPJKK13RT6VRUOFCRKJLLMUQAAM0KC.edu. 900 IN NSEC3 ( 1 1 0 - 11dc2btsp0nirq8kjman6lirlgjsbae0 NS DS RRSIG ) 0QVPJKK13RT6VRUOFCRKJLLMUQAAM0KC.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260522031713 20260515020713 37239 edu. I3g7P9ds2uih/I6p6sulMEdqcSN6lU7uuM+UoShW9KeX1C68Fx5xRGN0lue9tJoAepMXFQWeorG2 PZHF1S+q0A== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for umd.edu in the edu zone
	Query to ns.ums.edu for umd.edu/DNSKEY
	Received 99 bytes from 131.118.254.1
	;; Response received from [131.118.254.1] 99 octets ;; HEADER SECTION ;; id = 5195 ;; 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": 1232, ;; "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. 2913578533 ;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 = 20701 ;; 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 = 51998 ;; 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. 2913578533 ;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 = 46770 ;; 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. 2913578533 ;serial 14400 ;refresh 3600 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (3 records) umd.edu. 14400 IN NS ns2.umd.edu. umd.edu. 14400 IN NS ns1.umd.edu. umd.edu. 14400 IN NS ns.ums.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 }
	Query to ns2.umd.edu for umd.edu/A
	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 = 3475 ;; 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 }
	ns.ums.edu is authoritative for umd.edu
	Query to ns.ums.edu for umd.edu/A
	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 = 27430 ;; 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
	umd.edu A RR has value 94.247.142.1
	No RRSIGs found

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