Searching for 249.86.112.140.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 249.86.112.140.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 298 ms
Searching for 249.86.112.140.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 298 ms
Searching for arin.authdns.ripe.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for arin.authdns.ripe.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for arin.authdns.ripe.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 6 ms
Searching for 249.86.112.140.in-addr.arpa. PTR record at arin.authdns.ripe.net. [193.0.9.10]
...took 11 msSearching for arin.authdns.ripe.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for arin.authdns.ripe.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 6 ms
Searching for ntu3.ntu.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ntu3.ntu.edu.tw. A record at h.dns.tw. [204.61.216.119] ...took 6 ms
Searching for ntu3.ntu.edu.tw. A record at d.twnic.net.tw. [60.199.165.187] ...took 226 ms
Searching for ntu3.ntu.edu.tw. A record at dns.ntu.edu.tw. [140.112.254.4] ...took 260 ms
Searching for 249.86.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2]
...took 257 msSearching for ntu3.ntu.edu.tw. A record at h.dns.tw. [204.61.216.119] ...took 6 ms
Searching for ntu3.ntu.edu.tw. A record at d.twnic.net.tw. [60.199.165.187] ...took 226 ms
Searching for ntu3.ntu.edu.tw. A record at dns.ntu.edu.tw. [140.112.254.4] ...took 260 ms
Searching for ntuns.ntu.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ntuns.ntu.edu.tw. A record at e.dns.tw. [211.20.231.11] ...took 220 ms
Searching for ntuns.ntu.edu.tw. A record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 263 ms
Searching for 249.86.112.140.in-addr.arpa. PTR record at ntuns.ntu.edu.tw. [140.112.254.68]
...took 256 msSearching for ntuns.ntu.edu.tw. A record at e.dns.tw. [211.20.231.11] ...took 220 ms
Searching for ntuns.ntu.edu.tw. A record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 263 ms
Nameserver ntuns.ntu.edu.tw. reports: No such host 249.86.112.140.in-addr.arpa.
Total elapsed query time: 1,871 ms