Searching for 120.187.153.218.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for 120.187.153.218.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 15 ms
Searching for 120.187.153.218.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 15 ms
Searching for ns2.apnic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for ns2.apnic.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Searching for 120.187.153.218.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 5 msSearching for ns2.apnic.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Searching for c.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for c.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 284 ms
Searching for 120.187.153.218.in-addr.arpa. PTR record at c.dns.kr. [210.101.61.1]
...took 335 msSearching for c.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 284 ms
Searching for rev1.kornet.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for rev1.kornet.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 280 ms
Searching for 120.187.153.218.in-addr.arpa. PTR record at rev1.kornet.net. [211.216.50.170]
...took 285 msSearching for rev1.kornet.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 280 ms
Nameserver rev1.kornet.net. reports: No such host 120.187.153.218.in-addr.arpa.
Total elapsed query time: 1,300 ms