Searching for 20.14.133.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 117 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 117 ms
Searching for apnic.authdns.ripe.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for apnic.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 92 ms
Searching for 20.14.133.121.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 a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 92 ms
Searching for g.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for g.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 224 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at g.dns.kr. [202.31.190.1]
...took 7 msSearching for g.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 224 ms
Searching for rev2.kornet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for rev2.kornet.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 296 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 291 msSearching for rev2.kornet.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 296 ms
Nameserver rev2.kornet.net. reports: No such host 20.14.133.121.in-addr.arpa.
Total elapsed query time: 1,127 ms