Searching for 20.14.133.121.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 168 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 168 ms
Searching for ns1.apnic.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for ns1.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for ns1.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 188 msSearching for ns1.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for ns1.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for e.dns.kr. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for e.dns.kr. A record at f.dns.kr. [210.101.62.1] ...took 264 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at e.dns.kr. [202.30.124.100]
...took 282 msSearching for e.dns.kr. A record at f.dns.kr. [210.101.62.1] ...took 264 ms
Searching for rev2.kornet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for rev2.kornet.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 280 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 283 msSearching for rev2.kornet.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 280 ms
Nameserver rev2.kornet.net. reports: No such host 20.14.133.121.in-addr.arpa.
Total elapsed query time: 1,562 ms