DNSSEC Debugger - www.nthu.edu.tw

Domain Name:

Time: 2024-05-18 10:19:54 UTC

Analyzing DNSSEC problems for www.nthu.edu.tw

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 e.root-servers.net for ./DNSKEY
	Received 864 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 864 octets ;; HEADER SECTION ;; id = 26245 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 3 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (3 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAZBALoOFImwcJJg9Iu7Vy7ZyLjhtXfvO1c9k4vHjOpf9i7U1kKtrBvhnwsOni1sb50gkUayR tMDTUQqvljMMf4bpkyEtcE5evCzhHbFLq1coL5QOix3mfJm++FvIMaAt52nOvAdqR/luuI11bA1A mSCIJKAUx147DcfOHYKg3as+dznn3Iah4cWBMVzDe7PPsFS1AO6gU8EpmiRJ9VMNA09fOyDuq9+d 6sw8UUnJRMAFAuPLhUFjUAOuWOw74BC9lOtMQpbLMz8pX0CDKdOXDHjyj61nxSSWxPdUjeoxI17l QTpSPRtqRHFn5Fgj2e+9BVwhhWGDQN8kUVSJHZtQiI0= ) ; Key ID = 5613 . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; Key ID = 20326 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20240601000000 20240511000000 20326 . OgCibhptSNJS9XS2WD2CXYw0HsdjPXn82iYAtzkE7ma1H2BfchG8nRnFZJ9fbrCjXAhDPnKCkuId 8cuJ2PGuLzy9Q3d4zIt7Ow5o8YkpKGEJB6uVi1BRauxVzKgH7u5QnKf8d1AlKFikFdBHHLaZ97XG ci02qRRm1jpe+aY4sLnKHx1kTJozHJp+Xaml/nCiS4AXrCxNyc4EH2/oraODfaewFIOQjpsAMeAw tPrccpst4ZL/9jmZUdRSs3IHwMk9gvSwpZI0YVBWZocKg96CmQQgq9NNNGhpI5gXXdbP++bu4myT GIx8wR1vjK7nau9GJK+76Bt4bc+1FIfpq4mbSg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAZBALoOFImwcJJg9Iu7Vy7ZyLjhtXfvO1c9k4vHjOpf9i7U1kKtrBvhnwsOni1sb50gkUayR tMDTUQqvljMMf4bpkyEtcE5evCzhHbFLq1coL5QOix3mfJm++FvIMaAt52nOvAdqR/luuI11bA1A mSCIJKAUx147DcfOHYKg3as+dznn3Iah4cWBMVzDe7PPsFS1AO6gU8EpmiRJ9VMNA09fOyDuq9+d 6sw8UUnJRMAFAuPLhUFjUAOuWOw74BC9lOtMQpbLMz8pX0CDKdOXDHjyj61nxSSWxPdUjeoxI17l QTpSPRtqRHFn5Fgj2e+9BVwhhWGDQN8kUVSJHZtQiI0= ) ; Key ID = 5613`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; Key ID = 20326`
	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 20240601000000 20240511000000 20326 . OgCibhptSNJS9XS2WD2CXYw0HsdjPXn82iYAtzkE7ma1H2BfchG8nRnFZJ9fbrCjXAhDPnKCkuId 8cuJ2PGuLzy9Q3d4zIt7Ow5o8YkpKGEJB6uVi1BRauxVzKgH7u5QnKf8d1AlKFikFdBHHLaZ97XG ci02qRRm1jpe+aY4sLnKHx1kTJozHJp+Xaml/nCiS4AXrCxNyc4EH2/oraODfaewFIOQjpsAMeAw tPrccpst4ZL/9jmZUdRSs3IHwMk9gvSwpZI0YVBWZocKg96CmQQgq9NNNGhpI5gXXdbP++bu4myT GIx8wR1vjK7nau9GJK+76Bt4bc+1FIfpq4mbSg== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=5613 is now in the chain-of-trust
	Query to f.root-servers.net for www.nthu.edu.tw/A
	Received 881 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 881 octets ;; HEADER SECTION ;; id = 10885 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 11 arcount = 17 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (11 records) tw. 172800 IN NS g.dns.tw. tw. 172800 IN NS b.dns.tw. tw. 172800 IN NS c.dns.tw. tw. 172800 IN NS d.dns.tw. tw. 172800 IN NS e.dns.tw. tw. 172800 IN NS f.dns.tw. tw. 172800 IN NS a.dns.tw. tw. 172800 IN NS h.dns.tw. tw. 172800 IN NS anytld.apnic.net. tw. 86400 IN DS ( 51277 8 2 462da9af501d2b1eef6725522db5972f8cd2490b51d92088ff1e3d2de0ec7bcd ) tw. 86400 IN RRSIG ( DS 8 1 86400 20240531050000 20240518040000 5613 . c9T7tCUVIfIaZWayuerTn0dUwUFqhUbr5Mebl9aRZq9GQfiDE6LA7ZAXIns5KNFYd125ghwJAhxT d8WhRqud/T7MwdsRdlS2F2mqkdavqM+Nf88H3hYTCuBjgqAxCgKlngsE5Efa0eTXomlNGgpCBpy7 i4TcYqoD0Dp8V5CQenOV4qSjBW2Ca/emh7DWe0E2KxRz7aZSjhPnRmECw/BNra9IvpAA2BJVEdGS y2xQJWj3PJB3b4R5Hfr6ysTEZiXWXSY91xkGmr105xOplJMgHlrof7E+AeneDV/fCwMejc3N+1E6 45qI4Ps1Hu0jHsH4ujSnJbMom7XnJTCmJF5Ntw== ) ;; ADDITIONAL SECTION (17 records) g.dns.tw. 172800 IN A 34.141.111.176 b.dns.tw. 172800 IN A 210.201.138.58 b.dns.tw. 172800 IN AAAA 2404:0:10a0::58 c.dns.tw. 172800 IN A 203.66.87.201 c.dns.tw. 172800 IN AAAA 2001:b020:0:77::1 d.dns.tw. 172800 IN A 60.199.165.186 d.dns.tw. 172800 IN AAAA 2001:4541:9010:7::186 e.dns.tw. 172800 IN A 211.20.231.11 e.dns.tw. 172800 IN AAAA 2001:b000:1e0:c000::11 f.dns.tw. 172800 IN A 182.173.0.10 a.dns.tw. 172800 IN A 203.73.24.25 a.dns.tw. 172800 IN AAAA 2001:45b1:0:5::25 h.dns.tw. 172800 IN A 204.61.216.119 h.dns.tw. 172800 IN AAAA 2001:500:14:6119:ad::1 anytld.apnic.net. 172800 IN A 202.12.31.53 anytld.apnic.net. 172800 IN AAAA 2001:dd8:12::53 ;; { "EDNS-VERSION": 0 }
	Query to l.root-servers.net for tw/DNSKEY
	Received 868 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 868 octets ;; HEADER SECTION ;; id = 18024 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 11 arcount = 17 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; tw. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (11 records) tw. 172800 IN NS a.dns.tw. tw. 172800 IN NS b.dns.tw. tw. 172800 IN NS c.dns.tw. tw. 172800 IN NS d.dns.tw. tw. 172800 IN NS e.dns.tw. tw. 172800 IN NS f.dns.tw. tw. 172800 IN NS g.dns.tw. tw. 172800 IN NS h.dns.tw. tw. 172800 IN NS anytld.apnic.net. tw. 86400 IN DS ( 51277 8 2 462da9af501d2b1eef6725522db5972f8cd2490b51d92088ff1e3d2de0ec7bcd ) tw. 86400 IN RRSIG ( DS 8 1 86400 20240531050000 20240518040000 5613 . c9T7tCUVIfIaZWayuerTn0dUwUFqhUbr5Mebl9aRZq9GQfiDE6LA7ZAXIns5KNFYd125ghwJAhxT d8WhRqud/T7MwdsRdlS2F2mqkdavqM+Nf88H3hYTCuBjgqAxCgKlngsE5Efa0eTXomlNGgpCBpy7 i4TcYqoD0Dp8V5CQenOV4qSjBW2Ca/emh7DWe0E2KxRz7aZSjhPnRmECw/BNra9IvpAA2BJVEdGS y2xQJWj3PJB3b4R5Hfr6ysTEZiXWXSY91xkGmr105xOplJMgHlrof7E+AeneDV/fCwMejc3N+1E6 45qI4Ps1Hu0jHsH4ujSnJbMom7XnJTCmJF5Ntw== ) ;; ADDITIONAL SECTION (17 records) a.dns.tw. 172800 IN A 203.73.24.25 a.dns.tw. 172800 IN AAAA 2001:45b1:0:5::25 b.dns.tw. 172800 IN A 210.201.138.58 b.dns.tw. 172800 IN AAAA 2404:0:10a0::58 c.dns.tw. 172800 IN A 203.66.87.201 c.dns.tw. 172800 IN AAAA 2001:b020:0:77::1 d.dns.tw. 172800 IN A 60.199.165.186 d.dns.tw. 172800 IN AAAA 2001:4541:9010:7::186 e.dns.tw. 172800 IN A 211.20.231.11 e.dns.tw. 172800 IN AAAA 2001:b000:1e0:c000::11 f.dns.tw. 172800 IN A 182.173.0.10 g.dns.tw. 172800 IN A 34.141.111.176 h.dns.tw. 172800 IN A 204.61.216.119 h.dns.tw. 172800 IN AAAA 2001:500:14:6119:ad::1 anytld.apnic.net. 172800 IN A 202.12.31.53 anytld.apnic.net. 172800 IN AAAA 2001:dd8:12::53 ;; { "EDNS-VERSION": 0 }
	Found child zone tw

	Checking DS between . and tw
	Query to i.root-servers.net for tw/DS
	Received 366 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 366 octets ;; HEADER SECTION ;; id = 55273 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; tw. IN DS ;; ANSWER SECTION (2 records) tw. 86400 IN DS ( 51277 8 2 462da9af501d2b1eef6725522db5972f8cd2490b51d92088ff1e3d2de0ec7bcd ) tw. 86400 IN RRSIG ( DS 8 1 86400 20240531050000 20240518040000 5613 . c9T7tCUVIfIaZWayuerTn0dUwUFqhUbr5Mebl9aRZq9GQfiDE6LA7ZAXIns5KNFYd125ghwJAhxT d8WhRqud/T7MwdsRdlS2F2mqkdavqM+Nf88H3hYTCuBjgqAxCgKlngsE5Efa0eTXomlNGgpCBpy7 i4TcYqoD0Dp8V5CQenOV4qSjBW2Ca/emh7DWe0E2KxRz7aZSjhPnRmECw/BNra9IvpAA2BJVEdGS y2xQJWj3PJB3b4R5Hfr6ysTEZiXWXSY91xkGmr105xOplJMgHlrof7E+AeneDV/fCwMejc3N+1E6 45qI4Ps1Hu0jHsH4ujSnJbMom7XnJTCmJF5Ntw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for tw in the . zone
	DS=51277/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`tw. 86400 IN RRSIG ( DS 8 1 86400 20240531050000 20240518040000 5613 . c9T7tCUVIfIaZWayuerTn0dUwUFqhUbr5Mebl9aRZq9GQfiDE6LA7ZAXIns5KNFYd125ghwJAhxT d8WhRqud/T7MwdsRdlS2F2mqkdavqM+Nf88H3hYTCuBjgqAxCgKlngsE5Efa0eTXomlNGgpCBpy7 i4TcYqoD0Dp8V5CQenOV4qSjBW2Ca/emh7DWe0E2KxRz7aZSjhPnRmECw/BNra9IvpAA2BJVEdGS y2xQJWj3PJB3b4R5Hfr6ysTEZiXWXSY91xkGmr105xOplJMgHlrof7E+AeneDV/fCwMejc3N+1E6 45qI4Ps1Hu0jHsH4ujSnJbMom7XnJTCmJF5Ntw== )`
	RRSIG=5613 and DNSKEY=5613 verifies the DS RRset
	DS=51277/SHA-256 is now in the chain-of-trust
	`tw. 86400 IN DS ( 51277 8 2 462da9af501d2b1eef6725522db5972f8cd2490b51d92088ff1e3d2de0ec7bcd )`
	Query to a.dns.tw for tw/DNSKEY
	Received 907 bytes from 203.73.24.25
	;; Response received from [203.73.24.25] 907 octets ;; HEADER SECTION ;; id = 60939 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 4 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; tw. IN DNSKEY ;; ANSWER SECTION (4 records) tw. 900 IN DNSKEY ( 257 3 8 AwEAAbEzQHIFBqlFNZnwOMpP4BrIUC6kXG+hxQRa4ZhVkqpwRvCAmjaWdzK8bl/e7q/7nly+AuUx P3Vus8OXY6UGEwrHPgRm54Sgq0FtxIM5MrqQveHFSOvL96KYVGeZEPEbRoSPIgdYvsLOR1L5nwcA YBI72zVUH3bJ47kMbLvZXsp01BkP+b2sGyYkUYGTiMDT4cQBieO6s4mUzCCfdQBj/JkjQyo9ExWj V2DrTRWQ3MhHoA7seAIHeviPjkox1XVwwriunm2syTvAOgi95RX1mFfFHcPiNTzXKmvioFCQOhTE CnABeYJQhFsaZ6YGZlCh+lviBM5/wpf/vCX3/GCK/j8= ) ; Key ID = 51277 tw. 900 IN DNSKEY ( 256 3 8 AwEAAZGUVv/A6vZSqj1w8MWH68BettSNQFjGMZnApMcUUPkx59e3/fD4oTcZU2mykpdZ8jRF2KCH rP6TkqjGkyOAbl+596O1zwhEL3qK7BwLewwRkihl4hLf2wiCxp2ZkHTMpDyKi+gLG9ActSpCYusw C0K60CHcRYCXLK74Ka8IDa6B ) ; Key ID = 17859 tw. 900 IN RRSIG ( DNSKEY 8 1 900 20240617080022 20240518080022 17859 tw. KK9uV/9vwG+DCOt4q69dkvvN70G/iuVgDSDWXKOOpQuHb4IfvYtqgtxEHn8QyHZTfVXU8p3qdLB/ /MSpeHLtDqSBZLlbOxFB9Wugfh+78msylWxMKZULAjwT7bNQ4SY3PMfBm3yrTZtsN26SI5sY8lqO B6GQY1ZKn1B5COuBGkY= ) tw. 900 IN RRSIG ( DNSKEY 8 1 900 20240617080022 20240518080022 51277 tw. j4oD+eb+XfpxD0xlMxeO7O6oal8A9QbdKh/tvPqJ47+V8qxErSPlkv/UIyANs2+Fjfm4sp/ESqjV rYS9oREp2Rpm+sAAO1xBSvayrTsFb6iyMx51bSWL2ecsn7afT0ayJXB+MMfWtB001Qk/wSFKImjl shFVFqfitq1T1tUJfjRVp+FBdwOA/YeCjx4bjhoCteDelQE0RG6aLgf9hX8tKTHwsIJpFpnPZZN7 PoQimk/FbKbFgnmU8R5XBKk/kv3AtJiUFIIeSJP9mZO7VXpCh6x9dLB9iLvN/I/e0eAgBA0CZZos K713uniuXG3mSLxWgT8KiA7luwNchrCTCHNlrw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for tw
	`tw. 900 IN DNSKEY ( 257 3 8 AwEAAbEzQHIFBqlFNZnwOMpP4BrIUC6kXG+hxQRa4ZhVkqpwRvCAmjaWdzK8bl/e7q/7nly+AuUx P3Vus8OXY6UGEwrHPgRm54Sgq0FtxIM5MrqQveHFSOvL96KYVGeZEPEbRoSPIgdYvsLOR1L5nwcA YBI72zVUH3bJ47kMbLvZXsp01BkP+b2sGyYkUYGTiMDT4cQBieO6s4mUzCCfdQBj/JkjQyo9ExWj V2DrTRWQ3MhHoA7seAIHeviPjkox1XVwwriunm2syTvAOgi95RX1mFfFHcPiNTzXKmvioFCQOhTE CnABeYJQhFsaZ6YGZlCh+lviBM5/wpf/vCX3/GCK/j8= ) ; Key ID = 51277`
	`tw. 900 IN DNSKEY ( 256 3 8 AwEAAZGUVv/A6vZSqj1w8MWH68BettSNQFjGMZnApMcUUPkx59e3/fD4oTcZU2mykpdZ8jRF2KCH rP6TkqjGkyOAbl+596O1zwhEL3qK7BwLewwRkihl4hLf2wiCxp2ZkHTMpDyKi+gLG9ActSpCYusw C0K60CHcRYCXLK74Ka8IDa6B ) ; Key ID = 17859`
	DNSKEY=51277/SEP is now in the chain-of-trust
	DS=51277/SHA-256 verifies DNSKEY=51277/SEP
	Found 2 RRSIGs over DNSKEY RRset
	`tw. 900 IN RRSIG ( DNSKEY 8 1 900 20240617080022 20240518080022 17859 tw. KK9uV/9vwG+DCOt4q69dkvvN70G/iuVgDSDWXKOOpQuHb4IfvYtqgtxEHn8QyHZTfVXU8p3qdLB/ /MSpeHLtDqSBZLlbOxFB9Wugfh+78msylWxMKZULAjwT7bNQ4SY3PMfBm3yrTZtsN26SI5sY8lqO B6GQY1ZKn1B5COuBGkY= )`
	`tw. 900 IN RRSIG ( DNSKEY 8 1 900 20240617080022 20240518080022 51277 tw. j4oD+eb+XfpxD0xlMxeO7O6oal8A9QbdKh/tvPqJ47+V8qxErSPlkv/UIyANs2+Fjfm4sp/ESqjV rYS9oREp2Rpm+sAAO1xBSvayrTsFb6iyMx51bSWL2ecsn7afT0ayJXB+MMfWtB001Qk/wSFKImjl shFVFqfitq1T1tUJfjRVp+FBdwOA/YeCjx4bjhoCteDelQE0RG6aLgf9hX8tKTHwsIJpFpnPZZN7 PoQimk/FbKbFgnmU8R5XBKk/kv3AtJiUFIIeSJP9mZO7VXpCh6x9dLB9iLvN/I/e0eAgBA0CZZos K713uniuXG3mSLxWgT8KiA7luwNchrCTCHNlrw== )`
	RRSIG=17859 and DNSKEY=17859 verifies the DNSKEY RRset
	RRSIG=51277 and DNSKEY=51277/SEP verifies the DNSKEY RRset
	DNSKEY=17859 is now in the chain-of-trust
	Query to d.dns.tw for www.nthu.edu.tw/A
	Received 912 bytes from 60.199.165.186
	;; Response received from [60.199.165.186] 912 octets ;; HEADER SECTION ;; id = 52595 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 12 arcount = 21 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (12 records) edu.tw. 3600 IN NS c.twnic.net.tw. edu.tw. 3600 IN NS d.twnic.net.tw. edu.tw. 3600 IN NS a.twnic.net.tw. edu.tw. 3600 IN NS b.twnic.net.tw. edu.tw. 3600 IN NS edudns-a1.edu.tw. edu.tw. 3600 IN NS edudns-c2.edu.tw. edu.tw. 3600 IN NS edudns-a2.edu.tw. edu.tw. 3600 IN NS edudns-a3.edu.tw. edu.tw. 3600 IN NS edudns-c1.edu.tw. edu.tw. 300 IN DS ( 24025 8 2 7dfe1d2793b0905653a457a3b916d5f5bcd1bc84afeeb36daaac855d15b1e847 ) edu.tw. 300 IN DS ( 11734 8 2 ef2a91584b1949b95e76e05342e6ff6feadb12a1e93697ffe7d1cad5dbc8097a ) edu.tw. 300 IN RRSIG ( DS 8 2 300 20240617080022 20240518080022 17859 tw. AixihOyWvBlgK1Ejq8HThpnIQCUgYXeZQV7R5lBOY/lVRb7u6p1Q/TySMzeU1rjhvVLXyeMwnr4j 94nNy9u84ttaMTQs3W4Wpdtg03Sy1LknDErTt2qfbRfvGIDPTGJ2zM7cWlJRMnGRASgfVeYy/odv SwpyfC6XhFgPgRDwr14= ) ;; ADDITIONAL SECTION (21 records) a.twnic.net.tw. 3600 IN A 211.73.64.22 a.twnic.net.tw. 3600 IN A 130.211.241.105 b.twnic.net.tw. 3600 IN A 203.73.24.24 b.twnic.net.tw. 3600 IN A 103.235.88.1 c.twnic.net.tw. 3600 IN A 168.95.192.10 d.twnic.net.tw. 3600 IN A 60.199.165.187 d.twnic.net.tw. 3600 IN A 202.169.175.130 edudns-a1.edu.tw. 3600 IN A 192.83.166.18 edudns-a2.edu.tw. 3600 IN A 140.111.34.133 edudns-a3.edu.tw. 3600 IN A 140.111.34.134 edudns-c1.edu.tw. 3600 IN A 140.111.233.3 edudns-c2.edu.tw. 3600 IN A 140.111.233.4 b.twnic.net.tw. 3600 IN AAAA 2001:45b1:0:5::24 d.twnic.net.tw. 3600 IN AAAA 2001:4541:9010:7::187 d.twnic.net.tw. 3600 IN AAAA 2001:c08:175:128::175:128 edudns-a1.edu.tw. 3600 IN AAAA 2001:288:1:1006:192:83:166:18 edudns-a2.edu.tw. 3600 IN AAAA 2001:288:0:34::133 edudns-a3.edu.tw. 3600 IN AAAA 2001:288:0:34::134 edudns-c1.edu.tw. 3600 IN AAAA 2001:288:0:233::3 edudns-c2.edu.tw. 3600 IN AAAA 2001:288:0:233::4 ;; { "EDNS-VERSION": 0 }
	Query to c.dns.tw for edu.tw/DNSKEY
	Received 905 bytes from 203.66.87.201
	;; Response received from [203.66.87.201] 905 octets ;; HEADER SECTION ;; id = 48000 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 12 arcount = 21 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu.tw. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (12 records) edu.tw. 3600 IN NS edudns-c2.edu.tw. edu.tw. 3600 IN NS d.twnic.net.tw. edu.tw. 3600 IN NS c.twnic.net.tw. edu.tw. 3600 IN NS edudns-a2.edu.tw. edu.tw. 3600 IN NS b.twnic.net.tw. edu.tw. 3600 IN NS edudns-c1.edu.tw. edu.tw. 3600 IN NS a.twnic.net.tw. edu.tw. 3600 IN NS edudns-a1.edu.tw. edu.tw. 3600 IN NS edudns-a3.edu.tw. edu.tw. 300 IN DS ( 11734 8 2 ef2a91584b1949b95e76e05342e6ff6feadb12a1e93697ffe7d1cad5dbc8097a ) edu.tw. 300 IN DS ( 24025 8 2 7dfe1d2793b0905653a457a3b916d5f5bcd1bc84afeeb36daaac855d15b1e847 ) edu.tw. 300 IN RRSIG ( DS 8 2 300 20240617080022 20240518080022 17859 tw. AixihOyWvBlgK1Ejq8HThpnIQCUgYXeZQV7R5lBOY/lVRb7u6p1Q/TySMzeU1rjhvVLXyeMwnr4j 94nNy9u84ttaMTQs3W4Wpdtg03Sy1LknDErTt2qfbRfvGIDPTGJ2zM7cWlJRMnGRASgfVeYy/odv SwpyfC6XhFgPgRDwr14= ) ;; ADDITIONAL SECTION (21 records) edudns-c2.edu.tw. 3600 IN A 140.111.233.4 edudns-c1.edu.tw. 3600 IN A 140.111.233.3 edudns-a3.edu.tw. 3600 IN A 140.111.34.134 edudns-a2.edu.tw. 3600 IN A 140.111.34.133 edudns-a1.edu.tw. 3600 IN A 192.83.166.18 d.twnic.net.tw. 3600 IN A 60.199.165.187 d.twnic.net.tw. 3600 IN A 202.169.175.130 c.twnic.net.tw. 3600 IN A 168.95.192.10 b.twnic.net.tw. 3600 IN A 103.235.88.1 b.twnic.net.tw. 3600 IN A 203.73.24.24 a.twnic.net.tw. 3600 IN A 130.211.241.105 a.twnic.net.tw. 3600 IN A 211.73.64.22 edudns-c2.edu.tw. 3600 IN AAAA 2001:288:0:233::4 edudns-c1.edu.tw. 3600 IN AAAA 2001:288:0:233::3 edudns-a3.edu.tw. 3600 IN AAAA 2001:288:0:34::134 edudns-a2.edu.tw. 3600 IN AAAA 2001:288:0:34::133 edudns-a1.edu.tw. 3600 IN AAAA 2001:288:1:1006:192:83:166:18 d.twnic.net.tw. 3600 IN AAAA 2001:c08:175:128::175:128 d.twnic.net.tw. 3600 IN AAAA 2001:4541:9010:7::187 b.twnic.net.tw. 3600 IN AAAA 2001:45b1:0:5::24 ;; { "EDNS-VERSION": 0 }
	Found child zone edu.tw

edu.tw

	Checking DS between tw and edu.tw
	Query to anytld.apnic.net for edu.tw/DS
	Received 293 bytes from 202.12.31.53
	;; Response received from [202.12.31.53] 293 octets ;; HEADER SECTION ;; id = 30891 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 3 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu.tw. IN DS ;; ANSWER SECTION (3 records) edu.tw. 300 IN DS ( 24025 8 2 7dfe1d2793b0905653a457a3b916d5f5bcd1bc84afeeb36daaac855d15b1e847 ) edu.tw. 300 IN DS ( 11734 8 2 ef2a91584b1949b95e76e05342e6ff6feadb12a1e93697ffe7d1cad5dbc8097a ) edu.tw. 300 IN RRSIG ( DS 8 2 300 20240617080022 20240518080022 17859 tw. AixihOyWvBlgK1Ejq8HThpnIQCUgYXeZQV7R5lBOY/lVRb7u6p1Q/TySMzeU1rjhvVLXyeMwnr4j 94nNy9u84ttaMTQs3W4Wpdtg03Sy1LknDErTt2qfbRfvGIDPTGJ2zM7cWlJRMnGRASgfVeYy/odv SwpyfC6XhFgPgRDwr14= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DS records for edu.tw in the tw zone
	DS=24025/SHA-256 has algorithm RSASHA256
	DS=11734/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`edu.tw. 300 IN RRSIG ( DS 8 2 300 20240617080022 20240518080022 17859 tw. AixihOyWvBlgK1Ejq8HThpnIQCUgYXeZQV7R5lBOY/lVRb7u6p1Q/TySMzeU1rjhvVLXyeMwnr4j 94nNy9u84ttaMTQs3W4Wpdtg03Sy1LknDErTt2qfbRfvGIDPTGJ2zM7cWlJRMnGRASgfVeYy/odv SwpyfC6XhFgPgRDwr14= )`
	RRSIG=17859 and DNSKEY=17859 verifies the DS RRset
	DS=24025/SHA-256 is now in the chain-of-trust
	DS=11734/SHA-256 is now in the chain-of-trust
	`edu.tw. 300 IN DS ( 24025 8 2 7dfe1d2793b0905653a457a3b916d5f5bcd1bc84afeeb36daaac855d15b1e847 )`
	`edu.tw. 300 IN DS ( 11734 8 2 ef2a91584b1949b95e76e05342e6ff6feadb12a1e93697ffe7d1cad5dbc8097a )`
	Query to c.twnic.net.tw for edu.tw/DNSKEY
	Received 1785 bytes from 168.95.192.10
	;; Response received from [168.95.192.10] 1785 octets ;; HEADER SECTION ;; id = 52301 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 8 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu.tw. IN DNSKEY ;; ANSWER SECTION (8 records) edu.tw. 172800 IN DNSKEY ( 256 3 8 AwEAAdPrbPBWs1Q/ajbcrFwrU6VMe6ahVZDR4h2Wo/GY842PlmJ8CsgrK78loOr1S9mLC3tJaTxD X4o87k5mdbPPkTIHVaTDgGU0dJ9g0oq561ATD+e/Plc0sxoEkGC1k7P7s6LUHlenujoeeXuaPjUq zb/4nCFhLEd1YMKgXjh+9JvF ) ; Key ID = 33219 edu.tw. 172800 IN DNSKEY ( 256 3 8 AwEAAZ6OlX4gOCs5pvT6DB+tQ1KISdx6STs0NK+RLzskpLks/Lb39A6wAHmqUycg0UfE9wZelB4g +uK4TuDGFgbD66UdmFGuk9ruVE2Z6UH3+zdZ/MxHPK45oc9aR+e3QhvUeFb1XEAJpgT+HA170F9W 2yIGtoGxmTGlCkdibP0jKCEh ) ; Key ID = 53820 edu.tw. 172800 IN DNSKEY ( 256 3 8 AwEAAeqMx0njNoXTwXMdZ5B8PFXLzkClLSIf8Ht+L/HwU8SSQoJlWPJx+2fmBQyd37VBi5q1C0xa 4wMZqs3GH8wNves7LSFde1ICPvQwQstljYaQkW3KhlXoF+wUvwm4zS3IBZ/5iF59cWTJFiikLEr1 lbytCJJU+oqBlSlIWselxoNP ) ; Key ID = 47319 edu.tw. 172800 IN DNSKEY ( 257 3 8 AwEAAaQ0hWVXQYh93Y7zH3AIAW5mReA7BogvGapxRBY+pX0H8SgfN+K1BUNpEQLedPzxZf48lA/4 qvW456yeMccX6OfE82NtoLt82DV3ukfB/rPK8e1xvhkdUhr5/U9uWdCZ4IwpJcj6Ky5WHw1dL83T Mmdix0Gg5i+yxcY0x9xVTcS3IIPkpDytkNvWb6aTLONtYzPe6pZaC7NUTgGYGRFKB9X5p+LFD0mH KkRUUBLFrYfoUWPqRgFJrlj0GY5myzv7W7u9Ql0yCtVyMPJCkkPQpm6GXxD50F77iYiH7J06kfoI Ku6aiyoOL6bW4chhrYAZe6tUhyl6loOBt/70+uGVHKU= ) ; Key ID = 24025 edu.tw. 172800 IN DNSKEY ( 257 3 8 AwEAAbe++9YcD6MNO91QRMWU/0vA192CUQkFPQc6zzOnvfx9b9dFItMJ96/Zfx+n4b1e8do3VUrs D/cLje7bW6bOaCe2FI5rvw6VM61XvHjR0AG6L03gXpm9mMAoqOS1mmAI/V+9/41KnCSg86wm09Vo jd7/pNCvj+mophU3MPuWJs1Bcz3Oi70aQxkwXOSy86XSb//CJ0t0RtwjDc1akQ9tI1cWwB9LuInK JVpiR+KmekriXIAnCyzHNMhzjWro7tddZtvzSe4jgPnVZKkuLXJq7p3fn98E2OTu5J6OPWQU78CX SdyLlftBf20wmQ9Sp6OU3tgiWwAIgAgYT0HoaBDNk+c= ) ; Key ID = 11734 edu.tw. 172800 IN RRSIG ( DNSKEY 8 2 172800 20240521141533 20240517133305 11734 edu.tw. ODWix7/gr1V0Jvpv51vIdE8GZwRZYA05BukYd/1kIUuProC/l4Riqcna1QWBgD0Ll7UAVyTnHRYs eF3LhLMpjkXfRGFXS5e8Q/sHBt3ltaFmKkIYIiTkfw4auN0y+Jy5v880imedf4WNxhZUiOX/e6Lt iy3Wp3bTAlDuXPKl8dMrBAOjGtHCQw86ReslFLQIHmEHsx8zlllqpAx0MZg4CWcrXvenFlMsbGWC LBmEKpfN2HQs0UL1ptYToKagm2KrfnwTWVaKHfBB0gRThjiDtr/Vh/RLO0JV8jjp9Cz3GrvRJgsx INWJAPbgK96sLkppgITJMh22j3XrBm5wW7Ax4g== ) edu.tw. 172800 IN RRSIG ( DNSKEY 8 2 172800 20240521141533 20240517133305 24025 edu.tw. YCmsvzkcLHjS4CvAFs0xS59S52ev925ekVfj8bA+imP7Ky4I5UkybBNZp13n09RMlVUy28Ag3xUm b8FJkkMj7qN4FyBoAI0zVDCpLFZGMZy/yojHRk9jj3qnO+Dtct7FZTtrkNSEVwndAOPFAn9IIsx+ 41Sp5nBVyDyqcqF4Zey9JuuWPQtM8N6x6245I52SDwJEK0PkA/7YEY+JXIqyHUjnH8n9hPp/Ngun xghRl0i/qDA2LeOWIyoLUQmz25vhQUW00nFILTGU4kEnI6pYUEC7PxiHfLELXBY/W/k5LNYTfuyw 03KnTUAohgz09JCEWKFGxAv56ByX6khW8YpMJw== ) edu.tw. 172800 IN RRSIG ( DNSKEY 8 2 172800 20240521141533 20240517133305 47319 edu.tw. PHCW4dbLlTUu8oKmhDdecbSc9KjtevbHSxSxqvzxmyyo6XAn9ajDMvNYwvFawhsFQbDDKsVSKmNI z8WV9uXhAmSudamdytLYn0XmRJDWu+aftsZPQAAfbTi9inBGysvfjc8hdYPgiF1ZDGDE3l85I3kJ LcNZJlHj2ePfpjZAh7Y= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 5 DNSKEY records for edu.tw
	`edu.tw. 172800 IN DNSKEY ( 256 3 8 AwEAAdPrbPBWs1Q/ajbcrFwrU6VMe6ahVZDR4h2Wo/GY842PlmJ8CsgrK78loOr1S9mLC3tJaTxD X4o87k5mdbPPkTIHVaTDgGU0dJ9g0oq561ATD+e/Plc0sxoEkGC1k7P7s6LUHlenujoeeXuaPjUq zb/4nCFhLEd1YMKgXjh+9JvF ) ; Key ID = 33219`
	`edu.tw. 172800 IN DNSKEY ( 256 3 8 AwEAAZ6OlX4gOCs5pvT6DB+tQ1KISdx6STs0NK+RLzskpLks/Lb39A6wAHmqUycg0UfE9wZelB4g +uK4TuDGFgbD66UdmFGuk9ruVE2Z6UH3+zdZ/MxHPK45oc9aR+e3QhvUeFb1XEAJpgT+HA170F9W 2yIGtoGxmTGlCkdibP0jKCEh ) ; Key ID = 53820`
	`edu.tw. 172800 IN DNSKEY ( 256 3 8 AwEAAeqMx0njNoXTwXMdZ5B8PFXLzkClLSIf8Ht+L/HwU8SSQoJlWPJx+2fmBQyd37VBi5q1C0xa 4wMZqs3GH8wNves7LSFde1ICPvQwQstljYaQkW3KhlXoF+wUvwm4zS3IBZ/5iF59cWTJFiikLEr1 lbytCJJU+oqBlSlIWselxoNP ) ; Key ID = 47319`
	`edu.tw. 172800 IN DNSKEY ( 257 3 8 AwEAAaQ0hWVXQYh93Y7zH3AIAW5mReA7BogvGapxRBY+pX0H8SgfN+K1BUNpEQLedPzxZf48lA/4 qvW456yeMccX6OfE82NtoLt82DV3ukfB/rPK8e1xvhkdUhr5/U9uWdCZ4IwpJcj6Ky5WHw1dL83T Mmdix0Gg5i+yxcY0x9xVTcS3IIPkpDytkNvWb6aTLONtYzPe6pZaC7NUTgGYGRFKB9X5p+LFD0mH KkRUUBLFrYfoUWPqRgFJrlj0GY5myzv7W7u9Ql0yCtVyMPJCkkPQpm6GXxD50F77iYiH7J06kfoI Ku6aiyoOL6bW4chhrYAZe6tUhyl6loOBt/70+uGVHKU= ) ; Key ID = 24025`
	`edu.tw. 172800 IN DNSKEY ( 257 3 8 AwEAAbe++9YcD6MNO91QRMWU/0vA192CUQkFPQc6zzOnvfx9b9dFItMJ96/Zfx+n4b1e8do3VUrs D/cLje7bW6bOaCe2FI5rvw6VM61XvHjR0AG6L03gXpm9mMAoqOS1mmAI/V+9/41KnCSg86wm09Vo jd7/pNCvj+mophU3MPuWJs1Bcz3Oi70aQxkwXOSy86XSb//CJ0t0RtwjDc1akQ9tI1cWwB9LuInK JVpiR+KmekriXIAnCyzHNMhzjWro7tddZtvzSe4jgPnVZKkuLXJq7p3fn98E2OTu5J6OPWQU78CX SdyLlftBf20wmQ9Sp6OU3tgiWwAIgAgYT0HoaBDNk+c= ) ; Key ID = 11734`
	DNSKEY=24025/SEP is now in the chain-of-trust
	DS=24025/SHA-256 verifies DNSKEY=24025/SEP
	DNSKEY=11734/SEP is now in the chain-of-trust
	DS=11734/SHA-256 verifies DNSKEY=11734/SEP
	Found 3 RRSIGs over DNSKEY RRset
	`edu.tw. 172800 IN RRSIG ( DNSKEY 8 2 172800 20240521141533 20240517133305 11734 edu.tw. ODWix7/gr1V0Jvpv51vIdE8GZwRZYA05BukYd/1kIUuProC/l4Riqcna1QWBgD0Ll7UAVyTnHRYs eF3LhLMpjkXfRGFXS5e8Q/sHBt3ltaFmKkIYIiTkfw4auN0y+Jy5v880imedf4WNxhZUiOX/e6Lt iy3Wp3bTAlDuXPKl8dMrBAOjGtHCQw86ReslFLQIHmEHsx8zlllqpAx0MZg4CWcrXvenFlMsbGWC LBmEKpfN2HQs0UL1ptYToKagm2KrfnwTWVaKHfBB0gRThjiDtr/Vh/RLO0JV8jjp9Cz3GrvRJgsx INWJAPbgK96sLkppgITJMh22j3XrBm5wW7Ax4g== )`
	`edu.tw. 172800 IN RRSIG ( DNSKEY 8 2 172800 20240521141533 20240517133305 24025 edu.tw. YCmsvzkcLHjS4CvAFs0xS59S52ev925ekVfj8bA+imP7Ky4I5UkybBNZp13n09RMlVUy28Ag3xUm b8FJkkMj7qN4FyBoAI0zVDCpLFZGMZy/yojHRk9jj3qnO+Dtct7FZTtrkNSEVwndAOPFAn9IIsx+ 41Sp5nBVyDyqcqF4Zey9JuuWPQtM8N6x6245I52SDwJEK0PkA/7YEY+JXIqyHUjnH8n9hPp/Ngun xghRl0i/qDA2LeOWIyoLUQmz25vhQUW00nFILTGU4kEnI6pYUEC7PxiHfLELXBY/W/k5LNYTfuyw 03KnTUAohgz09JCEWKFGxAv56ByX6khW8YpMJw== )`
	`edu.tw. 172800 IN RRSIG ( DNSKEY 8 2 172800 20240521141533 20240517133305 47319 edu.tw. PHCW4dbLlTUu8oKmhDdecbSc9KjtevbHSxSxqvzxmyyo6XAn9ajDMvNYwvFawhsFQbDDKsVSKmNI z8WV9uXhAmSudamdytLYn0XmRJDWu+aftsZPQAAfbTi9inBGysvfjc8hdYPgiF1ZDGDE3l85I3kJ LcNZJlHj2ePfpjZAh7Y= )`
	RRSIG=11734 and DNSKEY=11734/SEP verifies the DNSKEY RRset
	RRSIG=24025 and DNSKEY=24025/SEP verifies the DNSKEY RRset
	RRSIG=47319 and DNSKEY=47319 verifies the DNSKEY RRset
	DNSKEY=33219 is now in the chain-of-trust
	DNSKEY=53820 is now in the chain-of-trust
	DNSKEY=47319 is now in the chain-of-trust
	Query to edudns-c2.edu.tw for www.nthu.edu.tw/A
	Received 509 bytes from 140.111.233.4
	;; Response received from [140.111.233.4] 509 octets ;; HEADER SECTION ;; id = 17643 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 7 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) nthu.edu.tw. 300 IN NS dns3.nthu.edu.tw. nthu.edu.tw. 300 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 300 IN NS dns2.nthu.edu.tw. nthu.edu.tw. 300 IN NS dns3.twaren.net. KMG8S0ALTUQLF0FL6SU0DJR4S680IBDS.edu.tw. 300 IN NSEC3 ( 1 0 10 147651eb8e4e8c kmpp2jcos2c4gbpelkjn2r16te0ur2e3 NS ) KMG8S0ALTUQLF0FL6SU0DJR4S680IBDS.edu.tw. 300 IN RRSIG ( NSEC3 8 3 300 20240521112932 20240517104840 47319 edu.tw. YXpSkU1o5y48VxkuEDpXO0RGxLNoLzhJ92bX32um2qY2naTeSALXjfVY70hJqNZk9wpVBrdfihbG 269/GkYOfwprDwwkC9woEaq/E/ju0rC0f2jjct2REaHl1meT7ejdzWFIK1hBNKxst3P9pkfm2LEX MFnwuj4LsTIOI/Ons8M= ) ;; ADDITIONAL SECTION (7 records) dns2.nthu.edu.tw. 300 IN A 140.114.63.10 dns3.nthu.edu.tw. 300 IN A 140.114.63.20 dns1.nthu.edu.tw. 300 IN A 140.114.64.10 dns2.nthu.edu.tw. 300 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 300 IN AAAA 2001:288:e001:63::20 dns1.nthu.edu.tw. 300 IN AAAA 2001:288:e001:64::10 ;; { "EDNS-VERSION": 0 }
	Query to edudns-c2.edu.tw for nthu.edu.tw/DNSKEY
	Received 505 bytes from 140.111.233.4
	;; Response received from [140.111.233.4] 505 octets ;; HEADER SECTION ;; id = 58745 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 7 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nthu.edu.tw. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) nthu.edu.tw. 300 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 300 IN NS dns2.nthu.edu.tw. nthu.edu.tw. 300 IN NS dns3.twaren.net. nthu.edu.tw. 300 IN NS dns3.nthu.edu.tw. KMG8S0ALTUQLF0FL6SU0DJR4S680IBDS.edu.tw. 300 IN NSEC3 ( 1 0 10 147651eb8e4e8c kmpp2jcos2c4gbpelkjn2r16te0ur2e3 NS ) KMG8S0ALTUQLF0FL6SU0DJR4S680IBDS.edu.tw. 300 IN RRSIG ( NSEC3 8 3 300 20240521112932 20240517104840 47319 edu.tw. YXpSkU1o5y48VxkuEDpXO0RGxLNoLzhJ92bX32um2qY2naTeSALXjfVY70hJqNZk9wpVBrdfihbG 269/GkYOfwprDwwkC9woEaq/E/ju0rC0f2jjct2REaHl1meT7ejdzWFIK1hBNKxst3P9pkfm2LEX MFnwuj4LsTIOI/Ons8M= ) ;; ADDITIONAL SECTION (7 records) dns2.nthu.edu.tw. 300 IN A 140.114.63.10 dns3.nthu.edu.tw. 300 IN A 140.114.63.20 dns1.nthu.edu.tw. 300 IN A 140.114.64.10 dns2.nthu.edu.tw. 300 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 300 IN AAAA 2001:288:e001:63::20 dns1.nthu.edu.tw. 300 IN AAAA 2001:288:e001:64::10 ;; { "EDNS-VERSION": 0 }
	Found child zone nthu.edu.tw

nthu.edu.tw

	Checking DS between edu.tw and nthu.edu.tw
	Query to edudns-c2.edu.tw for nthu.edu.tw/DS
	Received 509 bytes from 140.111.233.4
	;; Response received from [140.111.233.4] 509 octets ;; HEADER SECTION ;; id = 31823 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 4 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nthu.edu.tw. IN DS ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) edu.tw. 300 IN SOA ( edudns-m1.edu.tw. abuse.moe.edu.tw. 2013410794 ;serial 14400 ;refresh 1440 ;retry 3600000 ;expire 300 ;minimum ) edu.tw. 300 IN RRSIG ( SOA 8 2 300 20240522101906 20240518091906 47319 edu.tw. XeWc7r4qned8h3ULBhLWxYXonk7aLL7VPU4rhGif1kvzA0VHVoRfWiGmdnS2AvYboWVg4SN3EMV0 /kj+unwOQslUmgPksXanGB2U4OPqBfL1rKzTVv4Kioh8oKWwlbCStJ6i//c8puLW03WqkKzSqPT+ HyUmkszS9P6Nqrwh+D0= ) KMG8S0ALTUQLF0FL6SU0DJR4S680IBDS.edu.tw. 300 IN NSEC3 ( 1 0 10 147651eb8e4e8c kmpp2jcos2c4gbpelkjn2r16te0ur2e3 NS ) KMG8S0ALTUQLF0FL6SU0DJR4S680IBDS.edu.tw. 300 IN RRSIG ( NSEC3 8 3 300 20240521112932 20240517104840 47319 edu.tw. YXpSkU1o5y48VxkuEDpXO0RGxLNoLzhJ92bX32um2qY2naTeSALXjfVY70hJqNZk9wpVBrdfihbG 269/GkYOfwprDwwkC9woEaq/E/ju0rC0f2jjct2REaHl1meT7ejdzWFIK1hBNKxst3P9pkfm2LEX MFnwuj4LsTIOI/Ons8M= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for nthu.edu.tw in the edu.tw zone
	Query to dns1.nthu.edu.tw for nthu.edu.tw/DNSKEY
	Received 86 bytes from 140.114.64.10
	;; Response received from [140.114.64.10] 86 octets ;; HEADER SECTION ;; id = 16314 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 1 arcount = 1 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nthu.edu.tw. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) nthu.edu.tw. 86400 IN SOA ( nthu.edu.tw. dnsmaster.nthu.edu.tw. 2024051700 ;serial 28800 ;refresh 7200 ;retry 2592000 ;expire 86400 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to dns1.nthu.edu.tw for www.nthu.edu.tw/A
	Received 278 bytes from 140.114.64.10
	;; Response received from [140.114.64.10] 278 octets ;; HEADER SECTION ;; id = 64659 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 4 arcount = 7 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN A ;; ANSWER SECTION (1 record) www.nthu.edu.tw. 86400 IN A 140.114.69.135 ;; AUTHORITY SECTION (4 records) nthu.edu.tw. 86400 IN NS dns2.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.twaren.net. ;; ADDITIONAL SECTION (7 records) dns1.nthu.edu.tw. 86400 IN A 140.114.64.10 dns2.nthu.edu.tw. 86400 IN A 140.114.63.10 dns3.nthu.edu.tw. 86400 IN A 140.114.63.20 dns1.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:64::10 dns2.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::20 ;; { "EDNS-VERSION": 0 }
	dns1.nthu.edu.tw is authoritative for www.nthu.edu.tw
	Query to dns2.nthu.edu.tw for www.nthu.edu.tw/DNSKEY
	Received 90 bytes from 140.114.63.10
	;; Response received from [140.114.63.10] 90 octets ;; HEADER SECTION ;; id = 15797 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 1 arcount = 1 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) nthu.edu.tw. 86400 IN SOA ( nthu.edu.tw. dnsmaster.nthu.edu.tw. 2024051700 ;serial 28800 ;refresh 7200 ;retry 2592000 ;expire 86400 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns3.twaren.net for nthu.edu.tw/SOA
	Received 304 bytes from 211.79.61.47
	;; Response received from [211.79.61.47] 304 octets ;; HEADER SECTION ;; id = 18454 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 4 arcount = 7 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nthu.edu.tw. IN SOA ;; ANSWER SECTION (1 record) nthu.edu.tw. 86400 IN SOA ( nthu.edu.tw. dnsmaster.nthu.edu.tw. 2024051700 ;serial 28800 ;refresh 7200 ;retry 2592000 ;expire 86400 ;minimum ) ;; AUTHORITY SECTION (4 records) nthu.edu.tw. 86400 IN NS dns3.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns2.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.twaren.net. ;; ADDITIONAL SECTION (7 records) dns1.nthu.edu.tw. 86400 IN A 140.114.64.10 dns2.nthu.edu.tw. 86400 IN A 140.114.63.10 dns3.nthu.edu.tw. 86400 IN A 140.114.63.20 dns1.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:64::10 dns2.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::20 ;; { "EDNS-VERSION": 0 }
	Query to dns3.nthu.edu.tw for nthu.edu.tw/SOA
	Received 304 bytes from 140.114.63.20
	;; Response received from [140.114.63.20] 304 octets ;; HEADER SECTION ;; id = 17371 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 4 arcount = 7 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nthu.edu.tw. IN SOA ;; ANSWER SECTION (1 record) nthu.edu.tw. 86400 IN SOA ( nthu.edu.tw. dnsmaster.nthu.edu.tw. 2024051700 ;serial 28800 ;refresh 7200 ;retry 2592000 ;expire 86400 ;minimum ) ;; AUTHORITY SECTION (4 records) nthu.edu.tw. 86400 IN NS dns3.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.twaren.net. nthu.edu.tw. 86400 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns2.nthu.edu.tw. ;; ADDITIONAL SECTION (7 records) dns1.nthu.edu.tw. 86400 IN A 140.114.64.10 dns2.nthu.edu.tw. 86400 IN A 140.114.63.10 dns3.nthu.edu.tw. 86400 IN A 140.114.63.20 dns1.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:64::10 dns2.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::20 ;; { "EDNS-VERSION": 0 }
	Query to dns2.nthu.edu.tw for nthu.edu.tw/SOA
	Received 304 bytes from 140.114.63.10
	;; Response received from [140.114.63.10] 304 octets ;; HEADER SECTION ;; id = 38466 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 4 arcount = 7 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nthu.edu.tw. IN SOA ;; ANSWER SECTION (1 record) nthu.edu.tw. 86400 IN SOA ( nthu.edu.tw. dnsmaster.nthu.edu.tw. 2024051700 ;serial 28800 ;refresh 7200 ;retry 2592000 ;expire 86400 ;minimum ) ;; AUTHORITY SECTION (4 records) nthu.edu.tw. 86400 IN NS dns2.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.twaren.net. nthu.edu.tw. 86400 IN NS dns3.nthu.edu.tw. ;; ADDITIONAL SECTION (7 records) dns1.nthu.edu.tw. 86400 IN A 140.114.64.10 dns2.nthu.edu.tw. 86400 IN A 140.114.63.10 dns3.nthu.edu.tw. 86400 IN A 140.114.63.20 dns1.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:64::10 dns2.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::20 ;; { "EDNS-VERSION": 0 }
	Query to dns1.nthu.edu.tw for www.nthu.edu.tw/A
	Received 278 bytes from 140.114.64.10
	;; Response received from [140.114.64.10] 278 octets ;; HEADER SECTION ;; id = 2863 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 4 arcount = 7 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN A ;; ANSWER SECTION (1 record) www.nthu.edu.tw. 86400 IN A 140.114.69.135 ;; AUTHORITY SECTION (4 records) nthu.edu.tw. 86400 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns2.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.twaren.net. ;; ADDITIONAL SECTION (7 records) dns1.nthu.edu.tw. 86400 IN A 140.114.64.10 dns2.nthu.edu.tw. 86400 IN A 140.114.63.10 dns3.nthu.edu.tw. 86400 IN A 140.114.63.20 dns1.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:64::10 dns2.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::20 ;; { "EDNS-VERSION": 0 }
	www.nthu.edu.tw A RR has value 140.114.69.135
	No RRSIGs found

nthu.edu.tw

	Query to dns3.twaren.net for www.nthu.edu.tw/A
	Received 278 bytes from 211.79.61.47
	;; Response received from [211.79.61.47] 278 octets ;; HEADER SECTION ;; id = 19850 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 4 arcount = 7 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN A ;; ANSWER SECTION (1 record) www.nthu.edu.tw. 86400 IN A 140.114.69.135 ;; AUTHORITY SECTION (4 records) nthu.edu.tw. 86400 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns2.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.twaren.net. ;; ADDITIONAL SECTION (7 records) dns1.nthu.edu.tw. 86400 IN A 140.114.64.10 dns2.nthu.edu.tw. 86400 IN A 140.114.63.10 dns3.nthu.edu.tw. 86400 IN A 140.114.63.20 dns1.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:64::10 dns2.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::20 ;; { "EDNS-VERSION": 0 }
	dns3.twaren.net is authoritative for www.nthu.edu.tw
	Query to dns3.twaren.net for www.nthu.edu.tw/DNSKEY
	Received 90 bytes from 211.79.61.47
	;; Response received from [211.79.61.47] 90 octets ;; HEADER SECTION ;; id = 62155 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 1 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) nthu.edu.tw. 86400 IN SOA ( nthu.edu.tw. dnsmaster.nthu.edu.tw. 2024051700 ;serial 28800 ;refresh 7200 ;retry 2592000 ;expire 86400 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns3.twaren.net for www.nthu.edu.tw/A
	Received 278 bytes from 211.79.61.47
	;; Response received from [211.79.61.47] 278 octets ;; HEADER SECTION ;; id = 8918 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 4 arcount = 7 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN A ;; ANSWER SECTION (1 record) www.nthu.edu.tw. 86400 IN A 140.114.69.135 ;; AUTHORITY SECTION (4 records) nthu.edu.tw. 86400 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns2.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.twaren.net. ;; ADDITIONAL SECTION (7 records) dns1.nthu.edu.tw. 86400 IN A 140.114.64.10 dns2.nthu.edu.tw. 86400 IN A 140.114.63.10 dns3.nthu.edu.tw. 86400 IN A 140.114.63.20 dns1.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:64::10 dns2.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::20 ;; { "EDNS-VERSION": 0 }
	www.nthu.edu.tw A RR has value 140.114.69.135
	No RRSIGs found

nthu.edu.tw

	Query to dns3.nthu.edu.tw for www.nthu.edu.tw/A
	Received 278 bytes from 140.114.63.20
	;; Response received from [140.114.63.20] 278 octets ;; HEADER SECTION ;; id = 25962 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 4 arcount = 7 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN A ;; ANSWER SECTION (1 record) www.nthu.edu.tw. 86400 IN A 140.114.69.135 ;; AUTHORITY SECTION (4 records) nthu.edu.tw. 86400 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns2.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.twaren.net. ;; ADDITIONAL SECTION (7 records) dns1.nthu.edu.tw. 86400 IN A 140.114.64.10 dns2.nthu.edu.tw. 86400 IN A 140.114.63.10 dns3.nthu.edu.tw. 86400 IN A 140.114.63.20 dns1.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:64::10 dns2.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::20 ;; { "EDNS-VERSION": 0 }
	dns3.nthu.edu.tw is authoritative for www.nthu.edu.tw
	Query to dns2.nthu.edu.tw for www.nthu.edu.tw/DNSKEY
	Received 90 bytes from 140.114.63.10
	;; Response received from [140.114.63.10] 90 octets ;; HEADER SECTION ;; id = 16896 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 1 arcount = 1 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) nthu.edu.tw. 86400 IN SOA ( nthu.edu.tw. dnsmaster.nthu.edu.tw. 2024051700 ;serial 28800 ;refresh 7200 ;retry 2592000 ;expire 86400 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns3.nthu.edu.tw for www.nthu.edu.tw/A
	Received 278 bytes from 140.114.63.20
	;; Response received from [140.114.63.20] 278 octets ;; HEADER SECTION ;; id = 25692 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 4 arcount = 7 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN A ;; ANSWER SECTION (1 record) www.nthu.edu.tw. 86400 IN A 140.114.69.135 ;; AUTHORITY SECTION (4 records) nthu.edu.tw. 86400 IN NS dns3.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.twaren.net. nthu.edu.tw. 86400 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns2.nthu.edu.tw. ;; ADDITIONAL SECTION (7 records) dns1.nthu.edu.tw. 86400 IN A 140.114.64.10 dns2.nthu.edu.tw. 86400 IN A 140.114.63.10 dns3.nthu.edu.tw. 86400 IN A 140.114.63.20 dns1.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:64::10 dns2.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::20 ;; { "EDNS-VERSION": 0 }
	www.nthu.edu.tw A RR has value 140.114.69.135
	No RRSIGs found

nthu.edu.tw

	Query to dns2.nthu.edu.tw for www.nthu.edu.tw/A
	Received 278 bytes from 140.114.63.10
	;; Response received from [140.114.63.10] 278 octets ;; HEADER SECTION ;; id = 14424 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 4 arcount = 7 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN A ;; ANSWER SECTION (1 record) www.nthu.edu.tw. 86400 IN A 140.114.69.135 ;; AUTHORITY SECTION (4 records) nthu.edu.tw. 86400 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns2.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.twaren.net. ;; ADDITIONAL SECTION (7 records) dns1.nthu.edu.tw. 86400 IN A 140.114.64.10 dns2.nthu.edu.tw. 86400 IN A 140.114.63.10 dns3.nthu.edu.tw. 86400 IN A 140.114.63.20 dns1.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:64::10 dns2.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::20 ;; { "EDNS-VERSION": 0 }
	dns2.nthu.edu.tw is authoritative for www.nthu.edu.tw
	Query to dns2.nthu.edu.tw for www.nthu.edu.tw/DNSKEY
	Received 90 bytes from 140.114.63.10
	;; Response received from [140.114.63.10] 90 octets ;; HEADER SECTION ;; id = 31405 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 1 arcount = 1 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) nthu.edu.tw. 86400 IN SOA ( nthu.edu.tw. dnsmaster.nthu.edu.tw. 2024051700 ;serial 28800 ;refresh 7200 ;retry 2592000 ;expire 86400 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns2.nthu.edu.tw for www.nthu.edu.tw/A
	Received 278 bytes from 140.114.63.10
	;; Response received from [140.114.63.10] 278 octets ;; HEADER SECTION ;; id = 11986 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 4 arcount = 7 ;; do = 0 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; www.nthu.edu.tw. IN A ;; ANSWER SECTION (1 record) www.nthu.edu.tw. 86400 IN A 140.114.69.135 ;; AUTHORITY SECTION (4 records) nthu.edu.tw. 86400 IN NS dns3.twaren.net. nthu.edu.tw. 86400 IN NS dns1.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns2.nthu.edu.tw. nthu.edu.tw. 86400 IN NS dns3.nthu.edu.tw. ;; ADDITIONAL SECTION (7 records) dns1.nthu.edu.tw. 86400 IN A 140.114.64.10 dns2.nthu.edu.tw. 86400 IN A 140.114.63.10 dns3.nthu.edu.tw. 86400 IN A 140.114.63.20 dns1.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:64::10 dns2.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::10 dns3.nthu.edu.tw. 86400 IN AAAA 2001:288:e001:63::20 ;; { "EDNS-VERSION": 0 }
	www.nthu.edu.tw A RR has value 140.114.69.135
	No RRSIGs found

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