DNSSEC Debugger

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Time: 2026-07-21 12:56:42 UTC

Analyzing DNSSEC problems for isu.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 g.root-servers.net for ./DNSKEY
	Received 1141 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 1141 octets ;; HEADER SECTION ;; id = 64908 ;; 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 ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN DNSKEY ( 256 3 8 AwEAAeCYD6Z7WWKVLeuWgowKP+3g+Gs1cnLKq7a3CaQxQpv8bfuFVI0WnG33qaSH/Mw9IBgifrdz f4XY/DQLnyBJ9MfaOyAWuEaEmYJ+GQPiwVVfstGwSA1McfFJUttTgq2Huu74KARhtA8wPo/N3Xcy YQtNhz+qCM5NBb3ecx/naw6sYab9LxS6f2cU0q03++BP5Ks0Uef8WJCa/1izCYE+vMkwoltV+tEN a3hpXiZ7jle/xdgaZrPi5ZGmyLVI34g1XVYrNlsCCTmNvFQIfzW5STFQFsQpizczyFn9r3LzSxxP CNwdlCG84bER0BmdwqbF6Tanv+FxMOavrahkj4wIy5k= ) ; keytag 57780 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20260811000000 20260721000000 20326 . KRNkneCiUAW/3xsn8/6VDpfjYsXUrh19hqxVi2TRYnqbNa9N/fwN0Z/JgTGfigaY6KKSFgTZGZsi ilMiPVdHOirETIVs37XWU6L+dskCttC2rHUShOxnf0lLzy2rFJbolkd3aB5FpbprKmURCyeW/Na/ wtrSCo1kArBAIOGZLHNvDOVKL/MDIAkZJQ6EbfLxY8wkd4Rp93T5sAUyBaSlRpkqDyujUuz/0lCB eApRp0wMGQGC5+3//rdv16be3O5+oi124vJqlskvDw/jIsq3GY2jNjnWBwu7bFeOWHahBsZNROj0 fKTkCYgtWKZfwFp0bwc20chK6hHxPskKEB+AFw== ) ;; 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 ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAeCYD6Z7WWKVLeuWgowKP+3g+Gs1cnLKq7a3CaQxQpv8bfuFVI0WnG33qaSH/Mw9IBgifrdz f4XY/DQLnyBJ9MfaOyAWuEaEmYJ+GQPiwVVfstGwSA1McfFJUttTgq2Huu74KARhtA8wPo/N3Xcy YQtNhz+qCM5NBb3ecx/naw6sYab9LxS6f2cU0q03++BP5Ks0Uef8WJCa/1izCYE+vMkwoltV+tEN a3hpXiZ7jle/xdgaZrPi5ZGmyLVI34g1XVYrNlsCCTmNvFQIfzW5STFQFsQpizczyFn9r3LzSxxP CNwdlCG84bER0BmdwqbF6Tanv+FxMOavrahkj4wIy5k= ) ; keytag 57780`
	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 20260811000000 20260721000000 20326 . KRNkneCiUAW/3xsn8/6VDpfjYsXUrh19hqxVi2TRYnqbNa9N/fwN0Z/JgTGfigaY6KKSFgTZGZsi ilMiPVdHOirETIVs37XWU6L+dskCttC2rHUShOxnf0lLzy2rFJbolkd3aB5FpbprKmURCyeW/Na/ wtrSCo1kArBAIOGZLHNvDOVKL/MDIAkZJQ6EbfLxY8wkd4Rp93T5sAUyBaSlRpkqDyujUuz/0lCB eApRp0wMGQGC5+3//rdv16be3O5+oi124vJqlskvDw/jIsq3GY2jNjnWBwu7bFeOWHahBsZNROj0 fKTkCYgtWKZfwFp0bwc20chK6hHxPskKEB+AFw== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=57780 is now in the chain-of-trust
	Query to d.root-servers.net for isu.edu/A
	Received 1166 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 1166 octets ;; HEADER SECTION ;; id = 47020 ;; 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) ;; isu.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 20260803050000 20260721040000 57780 . vMZlpeC1GJUDinC7q2JlrekzLAN7P3LVQ0tBU7RObT84la+NT5xl0MeW7Jx5HVHonHvz9d4P8uh4 vOUGZWs7l8EilA4K8iO0y40Fe+zpAKyDQhs/KcwI1Zr3ArkKR3788NY/DkYz5d53uEMGFITZL1jd 0Cv9pPOBmZrE9A7NIE9ZHkTD81RnGROOIa3oEooBP5pl97lL/2onEfON7Z91boqXsPUHmxS2RZQj 7EW/uY3zg8Tg1Y6zuHVmh+li6YbVZi33IDDLtueK6nz4OfpsioZHFJCj9NprrTOO/jh+KQg8p/M3 6QcTOaRMAqnFuIlPHXcGFCTyiBIqCRHzpdaa2g== ) ;; 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 m.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 1162 octets ;; HEADER SECTION ;; id = 41444 ;; 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 l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS g.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 j.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20260803050000 20260721040000 57780 . vMZlpeC1GJUDinC7q2JlrekzLAN7P3LVQ0tBU7RObT84la+NT5xl0MeW7Jx5HVHonHvz9d4P8uh4 vOUGZWs7l8EilA4K8iO0y40Fe+zpAKyDQhs/KcwI1Zr3ArkKR3788NY/DkYz5d53uEMGFITZL1jd 0Cv9pPOBmZrE9A7NIE9ZHkTD81RnGROOIa3oEooBP5pl97lL/2onEfON7Z91boqXsPUHmxS2RZQj 7EW/uY3zg8Tg1Y6zuHVmh+li6YbVZi33IDDLtueK6nz4OfpsioZHFJCj9NprrTOO/jh+KQg8p/M3 6QcTOaRMAqnFuIlPHXcGFCTyiBIqCRHzpdaa2g== ) ;; 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 e.root-servers.net for edu/DS
	Received 367 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 367 octets ;; HEADER SECTION ;; id = 960 ;; 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 20260803050000 20260721040000 57780 . vMZlpeC1GJUDinC7q2JlrekzLAN7P3LVQ0tBU7RObT84la+NT5xl0MeW7Jx5HVHonHvz9d4P8uh4 vOUGZWs7l8EilA4K8iO0y40Fe+zpAKyDQhs/KcwI1Zr3ArkKR3788NY/DkYz5d53uEMGFITZL1jd 0Cv9pPOBmZrE9A7NIE9ZHkTD81RnGROOIa3oEooBP5pl97lL/2onEfON7Z91boqXsPUHmxS2RZQj 7EW/uY3zg8Tg1Y6zuHVmh+li6YbVZi33IDDLtueK6nz4OfpsioZHFJCj9NprrTOO/jh+KQg8p/M3 6QcTOaRMAqnFuIlPHXcGFCTyiBIqCRHzpdaa2g== ) ;; 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 20260803050000 20260721040000 57780 . vMZlpeC1GJUDinC7q2JlrekzLAN7P3LVQ0tBU7RObT84la+NT5xl0MeW7Jx5HVHonHvz9d4P8uh4 vOUGZWs7l8EilA4K8iO0y40Fe+zpAKyDQhs/KcwI1Zr3ArkKR3788NY/DkYz5d53uEMGFITZL1jd 0Cv9pPOBmZrE9A7NIE9ZHkTD81RnGROOIa3oEooBP5pl97lL/2onEfON7Z91boqXsPUHmxS2RZQj 7EW/uY3zg8Tg1Y6zuHVmh+li6YbVZi33IDDLtueK6nz4OfpsioZHFJCj9NprrTOO/jh+KQg8p/M3 6QcTOaRMAqnFuIlPHXcGFCTyiBIqCRHzpdaa2g== )`
	RRSIG=57780 and DNSKEY=57780 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 e.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.12.94.30
	;; Response received from [192.12.94.30] 291 octets ;; HEADER SECTION ;; id = 47752 ;; 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 /wryn57986cSrM6e2SVDL1jtnHPoPqjPRw0z/jlp5BJ6PNc5Jt0Y/Jw3eWBbu6ZJCry4ooX5uE6U 1swz4VmIRA== ) ; keytag 6705 edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663 edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260729151114 20260714150614 35663 edu. teeMQ9kKRaaqzrWmdMUKy301N4OZinxk+tVLeTVsWDhzWbCwCnBQE3NgKmJwjz2+9frc1KR+Hpwr CPUZYXMwHw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for edu
	`edu. 86400 IN DNSKEY ( 256 3 13 /wryn57986cSrM6e2SVDL1jtnHPoPqjPRw0z/jlp5BJ6PNc5Jt0Y/Jw3eWBbu6ZJCry4ooX5uE6U 1swz4VmIRA== ) ; keytag 6705`
	`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 20260729151114 20260714150614 35663 edu. teeMQ9kKRaaqzrWmdMUKy301N4OZinxk+tVLeTVsWDhzWbCwCnBQE3NgKmJwjz2+9frc1KR+Hpwr CPUZYXMwHw== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=6705 is now in the chain-of-trust
	Query to d.edu-servers.net for isu.edu/A
	Received 472 bytes from 192.31.80.30
	;; Response received from [192.31.80.30] 472 octets ;; HEADER SECTION ;; id = 5560 ;; 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) ;; isu.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) isu.edu. 172800 IN NS sidney.netel.isu.edu. isu.edu. 172800 IN NS alias.netel.isu.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260727033138 20260720022138 6705 edu. nmHrRwaCkNyQNyfeyuhDprs/h4TO9ioRorOB0i9n6DFaZ0zwA7XB89DGbQ86zVS2AmlrLGFQQET7 wJ8Yp5NsbQ== ) 3MHMF9KAO3FDO59VRT1P130UOGLQ8SUE.edu. 900 IN NSEC3 ( 1 1 0 - 3neu29492vp74k7sn5be3hb2tr9dillk NS DS RRSIG ) 3MHMF9KAO3FDO59VRT1P130UOGLQ8SUE.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260726032829 20260719021829 6705 edu. CrXOmvTDldNSgRoxGe5oNTs1qy+BCsHeP1BUDwTLigrT0SDB9W43KXb1yViAYiRqkiOYUwxVZ08J cpelbxtHXg== ) ;; ADDITIONAL SECTION (3 records) sidney.netel.isu.edu. 172800 IN A 134.50.254.5 alias.netel.isu.edu. 172800 IN A 134.50.57.57 ;; { "EDNS-VERSION": 0 }
	Query to c.edu-servers.net for isu.edu/DNSKEY
	Received 472 bytes from 192.26.92.30
	;; Response received from [192.26.92.30] 472 octets ;; HEADER SECTION ;; id = 56888 ;; 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) ;; isu.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) isu.edu. 172800 IN NS sidney.netel.isu.edu. isu.edu. 172800 IN NS alias.netel.isu.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260727033138 20260720022138 6705 edu. nmHrRwaCkNyQNyfeyuhDprs/h4TO9ioRorOB0i9n6DFaZ0zwA7XB89DGbQ86zVS2AmlrLGFQQET7 wJ8Yp5NsbQ== ) 3MHMF9KAO3FDO59VRT1P130UOGLQ8SUE.edu. 900 IN NSEC3 ( 1 1 0 - 3neu29492vp74k7sn5be3hb2tr9dillk NS DS RRSIG ) 3MHMF9KAO3FDO59VRT1P130UOGLQ8SUE.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260726032829 20260719021829 6705 edu. CrXOmvTDldNSgRoxGe5oNTs1qy+BCsHeP1BUDwTLigrT0SDB9W43KXb1yViAYiRqkiOYUwxVZ08J cpelbxtHXg== ) ;; ADDITIONAL SECTION (3 records) sidney.netel.isu.edu. 172800 IN A 134.50.254.5 alias.netel.isu.edu. 172800 IN A 134.50.57.57 ;; { "EDNS-VERSION": 0 }
	Found child zone isu.edu

isu.edu

	Checking DS between edu and isu.edu
	Query to k.edu-servers.net for isu.edu/DS
	Received 567 bytes from 192.52.178.30
	;; Response received from [192.52.178.30] 567 octets ;; HEADER SECTION ;; id = 6685 ;; 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) ;; isu.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 20260727033138 20260720022138 6705 edu. nmHrRwaCkNyQNyfeyuhDprs/h4TO9ioRorOB0i9n6DFaZ0zwA7XB89DGbQ86zVS2AmlrLGFQQET7 wJ8Yp5NsbQ== ) edu. 900 IN SOA ( a.edu-servers.net. nstld.verisign-grs.com. 1784638577 ;serial 1800 ;refresh 900 ;retry 604800 ;expire 900 ;minimum ) edu. 900 IN RRSIG ( SOA 13 1 900 20260728125617 20260721114617 6705 edu. JpEb8Bouz0u8xefWU2r6h28HfcDUphpVWsiAocwe1c9KKQ2d9Jc5ccBU61KcyvS3egeYEOi2Jl6A WtGsl4IUGA== ) 3MHMF9KAO3FDO59VRT1P130UOGLQ8SUE.edu. 900 IN NSEC3 ( 1 1 0 - 3neu29492vp74k7sn5be3hb2tr9dillk NS DS RRSIG ) 3MHMF9KAO3FDO59VRT1P130UOGLQ8SUE.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260726032829 20260719021829 6705 edu. CrXOmvTDldNSgRoxGe5oNTs1qy+BCsHeP1BUDwTLigrT0SDB9W43KXb1yViAYiRqkiOYUwxVZ08J cpelbxtHXg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for isu.edu in the edu zone
	Query to alias.netel.isu.edu for isu.edu/DNSKEY
	Received 115 bytes from 134.50.57.57
	;; Response received from [134.50.57.57] 115 octets ;; HEADER SECTION ;; id = 14113 ;; 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) ;; isu.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) isu.edu. 3600 IN SOA ( sidney.netel.isu.edu. postmaster.smtp.isu.edu. 632657537 ;serial 5280 ;refresh 3600 ;retry 1209600 ;expire 10800 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to sidney.netel.isu.edu for isu.edu/A
	Received 182 bytes from 134.50.254.5
	;; Response received from [134.50.254.5] 182 octets ;; HEADER SECTION ;; id = 47119 ;; 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 = 2 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; isu.edu. IN A ;; ANSWER SECTION (2 records) isu.edu. 3600 IN A 75.2.109.149 isu.edu. 3600 IN A 166.117.166.192 ;; AUTHORITY SECTION (2 records) isu.edu. 3600 IN NS sidney.netel.isu.edu. isu.edu. 3600 IN NS alias.netel.isu.edu. ;; ADDITIONAL SECTION (4 records) alias.netel.isu.edu. 3600 IN A 134.50.57.57 sidney.netel.isu.edu. 3600 IN A 134.50.254.5 alias.netel.isu.edu. 3600 IN AAAA 2604:9740:2200:5057::57 ;; { "EDNS-VERSION": 0 }
	sidney.netel.isu.edu is authoritative for isu.edu
	Query to alias.netel.isu.edu for isu.edu/SOA
	Received 209 bytes from 134.50.57.57
	;; Response received from [134.50.57.57] 209 octets ;; HEADER SECTION ;; id = 35119 ;; 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 = 2 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; isu.edu. IN SOA ;; ANSWER SECTION (1 record) isu.edu. 3600 IN SOA ( sidney.netel.isu.edu. postmaster.smtp.isu.edu. 632657537 ;serial 5280 ;refresh 3600 ;retry 1209600 ;expire 10800 ;minimum ) ;; AUTHORITY SECTION (2 records) isu.edu. 3600 IN NS alias.netel.isu.edu. isu.edu. 3600 IN NS sidney.netel.isu.edu. ;; ADDITIONAL SECTION (4 records) alias.netel.isu.edu. 3600 IN A 134.50.57.57 sidney.netel.isu.edu. 3600 IN A 134.50.254.5 alias.netel.isu.edu. 3600 IN AAAA 2604:9740:2200:5057::57 ;; { "EDNS-VERSION": 0 }
	Query to sidney.netel.isu.edu for isu.edu/A
	isu.edu A RR has value 75.2.109.149
	isu.edu A RR has value 166.117.166.192
	No RRSIGs found

isu.edu

	Query to alias.netel.isu.edu for isu.edu/A
	Received 182 bytes from 134.50.57.57
	;; Response received from [134.50.57.57] 182 octets ;; HEADER SECTION ;; id = 22393 ;; 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 = 2 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; isu.edu. IN A ;; ANSWER SECTION (2 records) isu.edu. 3600 IN A 75.2.109.149 isu.edu. 3600 IN A 166.117.166.192 ;; AUTHORITY SECTION (2 records) isu.edu. 3600 IN NS alias.netel.isu.edu. isu.edu. 3600 IN NS sidney.netel.isu.edu. ;; ADDITIONAL SECTION (4 records) alias.netel.isu.edu. 3600 IN A 134.50.57.57 sidney.netel.isu.edu. 3600 IN A 134.50.254.5 alias.netel.isu.edu. 3600 IN AAAA 2604:9740:2200:5057::57 ;; { "EDNS-VERSION": 0 }
	alias.netel.isu.edu is authoritative for isu.edu
	Query to alias.netel.isu.edu for isu.edu/A
	isu.edu A RR has value 75.2.109.149
	isu.edu A RR has value 166.117.166.192
	No RRSIGs found

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