Hostname or IP
Type
Searching for 7.24.112.140.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17] ...took 11 ms
Searching for 7.24.112.140.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for x.arin.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129] ...took 12 ms
Searching for x.arin.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for x.arin.net. A record at u.arin.net. [204.61.216.50] ...took 11 ms
Searching for 7.24.112.140.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63] ...took 151 ms
Searching for news.ntu.edu.tw. A record at K.ROOT-SERVERS.NET. [193.0.14.129] ...took 11 ms
Searching for news.ntu.edu.tw. A record at a.dns.tw. [203.73.24.25] ...took 237 ms
Searching for dns.tp1rc.edu.tw. A record at K.ROOT-SERVERS.NET. [193.0.14.129] ...took 12 ms
Searching for dns.tp1rc.edu.tw. A record at d.dns.tw. [60.199.165.186] ...took 337 ms
Searching for dns.tp1rc.edu.tw. A record at edudns-a3.edu.tw. [140.111.34.134] ...took 228 ms
Searching for dns.tp1rc.edu.tw. A record at dns.ntu.edu.tw. [140.112.254.4] ...took 257 ms
Searching for news.ntu.edu.tw. A record at dns.tp1rc.edu.tw. [163.28.16.10] ...took 230 ms
Searching for 7.24.112.140.in-addr.arpa. PTR record at news.ntu.edu.tw. [140.112.254.2]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...
Searching for 7.24.112.140.in-addr.arpa. PTR record at dns.ntu.edu.tw. [140.112.254.4] ...took 268 ms
SERVFAIL
Searching for 7.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 264 ms
SERVFAIL
Searching for 7.24.112.140.in-addr.arpa. PTR record at news.ntu.edu.tw. [140.112.254.2]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...
Searching for 7.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 262 ms
DomainTypeTTLAnswer
7.24.112.140.in-addr.arpa.PTR86400ip24-7.wifi.cc.ntu.edu.tw.



Total elapsed query time: 6,313 ms
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