Searching for 226.87.140.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 226.87.140.121.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 226.87.140.121.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for apnic.authdns.ripe.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 56 ms
Searching for apnic.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 6 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 161 ms
Searching for 226.87.140.121.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 11 msSearching for apnic.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 6 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 161 ms
Searching for b.dns.kr. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for b.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 6 ms
Searching for 226.87.140.121.in-addr.arpa. PTR record at b.dns.kr. [210.101.60.1]
...took 283 msSearching for b.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 6 ms
Searching for rev1.kornet.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 69 ms
Searching for rev1.kornet.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 36 ms
Searching for rev1.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 278 ms
Searching for 226.87.140.121.in-addr.arpa. PTR record at rev1.kornet.net. [211.216.50.170]
...took 273 msSearching for rev1.kornet.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 36 ms
Searching for rev1.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 278 ms
Nameserver rev1.kornet.net. reports: No such host 226.87.140.121.in-addr.arpa.
Total elapsed query time: 1,216 ms