DNSSEC Debugger

Domain Name:

Time: 2026-02-06 13:45:03 UTC

Analyzing DNSSEC problems for ndu.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 d.root-servers.net for ./DNSKEY
	Received 1139 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 1139 octets ;; HEADER SECTION ;; id = 14724 ;; 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": 1450, ;; "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 20260221000000 20260131000000 20326 . ULrD2Zl+nPNutE2pzdrRyF+tYiDursnMx4JgtQtXxNNLXWYYTuuX+9QL11bs2wAqqQMeAw2I6/WK pxrd0bTBLkZM+wpE57mXVISo+KyyAYWvQF9BUMWZ8dTtRxsHsM5oKhhstYGooaULjcuorrty7Csf T3JJIa1PBaK79L0mUERVJx9tsQPbDF3CM+29ImvMxs3z6PN8d3vbI2tvbR1L222/CyuSm1JAfcke 1sKbOzWo1+RL6ZUBm+cYNIl+7TQ80NbnWDmHyNamJ/geuEWvHG0RNEdFL1Y8fvIHI2BCHht+hnVa Tv+s/WAjR/xU3wh2mMBHe4m9fNcnOmodkSk5tQ== ) ;; 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 20260221000000 20260131000000 20326 . ULrD2Zl+nPNutE2pzdrRyF+tYiDursnMx4JgtQtXxNNLXWYYTuuX+9QL11bs2wAqqQMeAw2I6/WK pxrd0bTBLkZM+wpE57mXVISo+KyyAYWvQF9BUMWZ8dTtRxsHsM5oKhhstYGooaULjcuorrty7Csf T3JJIa1PBaK79L0mUERVJx9tsQPbDF3CM+29ImvMxs3z6PN8d3vbI2tvbR1L222/CyuSm1JAfcke 1sKbOzWo1+RL6ZUBm+cYNIl+7TQ80NbnWDmHyNamJ/geuEWvHG0RNEdFL1Y8fvIHI2BCHht+hnVa Tv+s/WAjR/xU3wh2mMBHe4m9fNcnOmodkSk5tQ== )`
	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 j.root-servers.net for ndu.edu/A
	Received 1166 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 1166 octets ;; HEADER SECTION ;; id = 57094 ;; 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) ;; ndu.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 20260219050000 20260206040000 21831 . sInjIoZ/W7dIQQqc38fzyMZgK8d+mb3Ces8mZ3Oe+kJ0L9oZyk7Y4f607mjiY73K1hbOYu9jr5Sq M4RsEFsyV5qt0+eAfUU9F1b4jXBPz5z3e6OqrUoajkIqmHQosS+MTSMdSigh5KVKBXghzS3oohpq CUdWKmvPTtJz1/Eow1q+26U4mFSyG2MOo0jSHk9dJt2edbSAevOBQbo++AcOvhuA3CltIZCyuNuj GCO77UUZ4+qmYYqexdk3aKXVFUVL097Qcz59l0lS6X1TD+sDKPeamjCOpsOJotonz1zcII54Qg38 os3AOpL9y6KioxIjFquxnvzyhGNryYK4GwCRUA== ) ;; 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 f.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 1162 octets ;; HEADER SECTION ;; id = 8025 ;; 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) ;; 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 20260219050000 20260206040000 21831 . sInjIoZ/W7dIQQqc38fzyMZgK8d+mb3Ces8mZ3Oe+kJ0L9oZyk7Y4f607mjiY73K1hbOYu9jr5Sq M4RsEFsyV5qt0+eAfUU9F1b4jXBPz5z3e6OqrUoajkIqmHQosS+MTSMdSigh5KVKBXghzS3oohpq CUdWKmvPTtJz1/Eow1q+26U4mFSyG2MOo0jSHk9dJt2edbSAevOBQbo++AcOvhuA3CltIZCyuNuj GCO77UUZ4+qmYYqexdk3aKXVFUVL097Qcz59l0lS6X1TD+sDKPeamjCOpsOJotonz1zcII54Qg38 os3AOpL9y6KioxIjFquxnvzyhGNryYK4GwCRUA== ) ;; 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 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 = 57130 ;; 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 20260219050000 20260206040000 21831 . sInjIoZ/W7dIQQqc38fzyMZgK8d+mb3Ces8mZ3Oe+kJ0L9oZyk7Y4f607mjiY73K1hbOYu9jr5Sq M4RsEFsyV5qt0+eAfUU9F1b4jXBPz5z3e6OqrUoajkIqmHQosS+MTSMdSigh5KVKBXghzS3oohpq CUdWKmvPTtJz1/Eow1q+26U4mFSyG2MOo0jSHk9dJt2edbSAevOBQbo++AcOvhuA3CltIZCyuNuj GCO77UUZ4+qmYYqexdk3aKXVFUVL097Qcz59l0lS6X1TD+sDKPeamjCOpsOJotonz1zcII54Qg38 os3AOpL9y6KioxIjFquxnvzyhGNryYK4GwCRUA== ) ;; 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 20260219050000 20260206040000 21831 . sInjIoZ/W7dIQQqc38fzyMZgK8d+mb3Ces8mZ3Oe+kJ0L9oZyk7Y4f607mjiY73K1hbOYu9jr5Sq M4RsEFsyV5qt0+eAfUU9F1b4jXBPz5z3e6OqrUoajkIqmHQosS+MTSMdSigh5KVKBXghzS3oohpq CUdWKmvPTtJz1/Eow1q+26U4mFSyG2MOo0jSHk9dJt2edbSAevOBQbo++AcOvhuA3CltIZCyuNuj GCO77UUZ4+qmYYqexdk3aKXVFUVL097Qcz59l0lS6X1TD+sDKPeamjCOpsOJotonz1zcII54Qg38 os3AOpL9y6KioxIjFquxnvzyhGNryYK4GwCRUA== )`
	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 i.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.43.172.30
	;; Response received from [192.43.172.30] 291 octets ;; HEADER SECTION ;; id = 43706 ;; 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 20260219161114 20260204160614 35663 edu. ffuZdc6GgaWLr4xdepuTDjOSGwf8kJV63rBfwNqg3WWSgd2zLt3wfBetnPdZUlp5cYpJnUWmK6uF hUofVsnPMw== ) ;; 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 20260219161114 20260204160614 35663 edu. ffuZdc6GgaWLr4xdepuTDjOSGwf8kJV63rBfwNqg3WWSgd2zLt3wfBetnPdZUlp5cYpJnUWmK6uF hUofVsnPMw== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=16901 is now in the chain-of-trust
	Query to f.edu-servers.net for ndu.edu/A
	Received 488 bytes from 192.35.51.30
	;; Response received from [192.35.51.30] 488 octets ;; HEADER SECTION ;; id = 51914 ;; 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 = 8 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) ndu.edu. 172800 IN NS ns1.bdm.microsoftonline.com. ndu.edu. 172800 IN NS ns2.bdm.microsoftonline.com. ndu.edu. 172800 IN NS ns3.bdm.microsoftonline.com. ndu.edu. 172800 IN NS ns4.bdm.microsoftonline.com. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260213032250 20260206021250 16901 edu. 5P5xouCdrDKiHxGChAQmwbijXZ91Ki8X76eK8EcPFpSNtCKWsB3XLow2Nqldg2wxP0DnDOZ0SXbI cEuZo20UZA== ) 4RILL75E0IV4H95FOSKE920FLO57KJ6Q.edu. 900 IN NSEC3 ( 1 1 0 - 597qahe0bdcoj901pbgi2alocqqr5fgq NS DS RRSIG ) 4RILL75E0IV4H95FOSKE920FLO57KJ6Q.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260210032118 20260203021118 16901 edu. kwp92uNa5KMMWtUKrj684vKy8ynnK8sL6N8MMbb+CIBiRoMRvx1yMSxhNG8I+07IbEQaKurIfCuh Qc6JPHynAA== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to a.edu-servers.net for ndu.edu/DNSKEY
	Received 488 bytes from 192.5.6.30
	;; Response received from [192.5.6.30] 488 octets ;; HEADER SECTION ;; id = 33347 ;; 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 = 8 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) ndu.edu. 172800 IN NS ns1.bdm.microsoftonline.com. ndu.edu. 172800 IN NS ns2.bdm.microsoftonline.com. ndu.edu. 172800 IN NS ns3.bdm.microsoftonline.com. ndu.edu. 172800 IN NS ns4.bdm.microsoftonline.com. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260213032250 20260206021250 16901 edu. 5P5xouCdrDKiHxGChAQmwbijXZ91Ki8X76eK8EcPFpSNtCKWsB3XLow2Nqldg2wxP0DnDOZ0SXbI cEuZo20UZA== ) 4RILL75E0IV4H95FOSKE920FLO57KJ6Q.edu. 900 IN NSEC3 ( 1 1 0 - 597qahe0bdcoj901pbgi2alocqqr5fgq NS DS RRSIG ) 4RILL75E0IV4H95FOSKE920FLO57KJ6Q.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260210032118 20260203021118 16901 edu. kwp92uNa5KMMWtUKrj684vKy8ynnK8sL6N8MMbb+CIBiRoMRvx1yMSxhNG8I+07IbEQaKurIfCuh Qc6JPHynAA== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone ndu.edu

ndu.edu

	Checking DS between edu and ndu.edu
	Query to c.edu-servers.net for ndu.edu/DS
	Received 567 bytes from 192.26.92.30
	;; Response received from [192.26.92.30] 567 octets ;; HEADER SECTION ;; id = 33792 ;; 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) ;; ndu.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 20260213032250 20260206021250 16901 edu. 5P5xouCdrDKiHxGChAQmwbijXZ91Ki8X76eK8EcPFpSNtCKWsB3XLow2Nqldg2wxP0DnDOZ0SXbI cEuZo20UZA== ) edu. 900 IN SOA ( a.edu-servers.net. nstld.verisign-grs.com. 1770385482 ;serial 1800 ;refresh 900 ;retry 604800 ;expire 900 ;minimum ) edu. 900 IN RRSIG ( SOA 13 1 900 20260213134442 20260206123442 16901 edu. IY4bVrgvdbhNWsCj6kuaWtSj3Wwhuimoeb2eu0y+FPJwtCJNGQ5BBfslk6wuPzh+Nd2D1VYFhWce emoNZMCRyQ== ) 4RILL75E0IV4H95FOSKE920FLO57KJ6Q.edu. 900 IN NSEC3 ( 1 1 0 - 597qahe0bdcoj901pbgi2alocqqr5fgq NS DS RRSIG ) 4RILL75E0IV4H95FOSKE920FLO57KJ6Q.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260210032118 20260203021118 16901 edu. kwp92uNa5KMMWtUKrj684vKy8ynnK8sL6N8MMbb+CIBiRoMRvx1yMSxhNG8I+07IbEQaKurIfCuh Qc6JPHynAA== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for ndu.edu in the edu zone
	Query to ns1.bdm.microsoftonline.com for ndu.edu/DNSKEY
	Received 129 bytes from 13.107.236.208
	;; Response received from [13.107.236.208] 129 octets ;; HEADER SECTION ;; id = 56358 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 1 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) ndu.edu. 300 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to ns4.bdm.microsoftonline.com for ndu.edu/A
	Received 129 bytes from 208.84.5.208
	;; Response received from [208.84.5.208] 129 octets ;; HEADER SECTION ;; id = 63362 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 1 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) ndu.edu. 300 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns4.bdm.microsoftonline.com is authoritative for ndu.edu
	Query to ns2.bdm.microsoftonline.com for ndu.edu/SOA
	Received 129 bytes from 150.171.21.208
	;; Response received from [150.171.21.208] 129 octets ;; HEADER SECTION ;; id = 26011 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 1 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN SOA ;; ANSWER SECTION (1 record) ndu.edu. 3600 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns3.bdm.microsoftonline.com for ndu.edu/SOA
	Received 129 bytes from 204.14.183.208
	;; Response received from [204.14.183.208] 129 octets ;; HEADER SECTION ;; id = 27320 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 1 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN SOA ;; ANSWER SECTION (1 record) ndu.edu. 3600 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns1.bdm.microsoftonline.com for ndu.edu/SOA
	Received 129 bytes from 13.107.236.208
	;; Response received from [13.107.236.208] 129 octets ;; HEADER SECTION ;; id = 11501 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 1 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN SOA ;; ANSWER SECTION (1 record) ndu.edu. 3600 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns4.bdm.microsoftonline.com for ndu.edu/A
	Received 129 bytes from 208.84.5.208
	;; Response received from [208.84.5.208] 129 octets ;; HEADER SECTION ;; id = 49277 ;; 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) ;; ndu.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) ndu.edu. 300 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No NSEC records in response
	No RRSIGs found

ndu.edu

	Query to ns3.bdm.microsoftonline.com for ndu.edu/A
	Received 129 bytes from 204.14.183.208
	;; Response received from [204.14.183.208] 129 octets ;; HEADER SECTION ;; id = 29850 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 1 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) ndu.edu. 300 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns3.bdm.microsoftonline.com is authoritative for ndu.edu
	Query to ns3.bdm.microsoftonline.com for ndu.edu/A
	Received 129 bytes from 204.14.183.208
	;; Response received from [204.14.183.208] 129 octets ;; HEADER SECTION ;; id = 32791 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 1 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) ndu.edu. 300 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No NSEC records in response
	No RRSIGs found

ndu.edu

	Query to ns2.bdm.microsoftonline.com for ndu.edu/A
	Received 129 bytes from 150.171.21.208
	;; Response received from [150.171.21.208] 129 octets ;; HEADER SECTION ;; id = 51633 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 1 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) ndu.edu. 300 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.bdm.microsoftonline.com is authoritative for ndu.edu
	Query to ns2.bdm.microsoftonline.com for ndu.edu/A
	Received 129 bytes from 150.171.21.208
	;; Response received from [150.171.21.208] 129 octets ;; HEADER SECTION ;; id = 24514 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 1 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) ndu.edu. 300 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No NSEC records in response
	No RRSIGs found

ndu.edu

	Query to ns1.bdm.microsoftonline.com for ndu.edu/A
	Received 129 bytes from 13.107.236.208
	;; Response received from [13.107.236.208] 129 octets ;; HEADER SECTION ;; id = 49953 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 1 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) ndu.edu. 300 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns1.bdm.microsoftonline.com is authoritative for ndu.edu
	Query to ns1.bdm.microsoftonline.com for ndu.edu/A
	Received 129 bytes from 13.107.236.208
	;; Response received from [13.107.236.208] 129 octets ;; HEADER SECTION ;; id = 8972 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 1 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ndu.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) ndu.edu. 300 IN SOA ( ns1.bdm.microsoftonline.com. azuredns-hostmaster.microsoft.com. 1 ;serial 3600 ;refresh 300 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No NSEC records in response
	No RRSIGs found

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DNSSEC Debugger

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