Searching for 25.239.122.140.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 25.239.122.140.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 25.239.122.140.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for y.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for y.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 21 ms
Searching for y.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 90 ms
Searching for 25.239.122.140.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 6 msSearching for y.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 21 ms
Searching for y.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 90 ms
Searching for dns3.ntnu.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for dns3.ntnu.edu.tw. A record at anytld.apnic.net. [202.12.31.53] ...took 16 ms
Searching for dns3.ntnu.edu.tw. A record at d.twnic.net.tw. [202.169.175.130] ...took 310 ms
Searching for dns3.ntnu.edu.tw. A record at dns4.ntnu.edu.tw. [140.122.191.4] ...took 231 ms
Searching for 25.239.122.140.in-addr.arpa. PTR record at dns3.ntnu.edu.tw. [140.122.191.21]
...took 230 msSearching for dns3.ntnu.edu.tw. A record at anytld.apnic.net. [202.12.31.53] ...took 16 ms
Searching for dns3.ntnu.edu.tw. A record at d.twnic.net.tw. [202.169.175.130] ...took 310 ms
Searching for dns3.ntnu.edu.tw. A record at dns4.ntnu.edu.tw. [140.122.191.4] ...took 231 ms
Nameserver dns3.ntnu.edu.tw. reports: No such host 25.239.122.140.in-addr.arpa.
Total elapsed query time: 960 ms