Searching for 172.139.217.180.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 172.139.217.180.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 156 ms
Searching for 172.139.217.180.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 156 ms
Searching for apnic.authdns.ripe.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for apnic.authdns.ripe.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 15 ms
Searching for 172.139.217.180.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 12 msSearching for apnic.authdns.ripe.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 15 ms
Searching for rns2.twnic.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for rns2.twnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for 172.139.217.180.in-addr.arpa. PTR record at rns2.twnic.net. [202.133.247.196]
...took 336 msSearching for rns2.twnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for dns2.twnic.net.tw. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for dns2.twnic.net.tw. A record at h.dns.tw. [204.61.216.119] ...took 12 ms
Searching for dns2.twnic.net.tw. A record at dns1.twnic.net.tw. [210.65.47.29]
Searching for dns2.twnic.net.tw. A record at dns2.twnic.net.tw. [103.235.88.2] ...took 265 ms
Searching for rns2.twnic.net. A record at dns2.twnic.net.tw. [103.235.88.2]
...took 258 msSearching for dns2.twnic.net.tw. A record at h.dns.tw. [204.61.216.119] ...took 12 ms
Searching for dns2.twnic.net.tw. A record at dns1.twnic.net.tw. [210.65.47.29]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for dns2.twnic.net.tw. A record at dns2.twnic.net.tw. [103.235.88.2] ...took 265 ms
Nameserver rns2.twnic.net. reports: No such host 172.139.217.180.in-addr.arpa.
Total elapsed query time: 3,121 ms