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 e.in-addr-servers.arpa. [203.119.86.101] ...took 274 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 274 ms
Searching for ns2.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns2.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for ns2.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 ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for f.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for f.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 284 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at f.dns.kr. [210.101.62.1]
...took 226 msSearching for f.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 284 ms
Searching for rev1.kornet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for rev1.kornet.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 285 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at rev1.kornet.net. [211.216.50.170]
...took 287 msSearching for rev1.kornet.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 285 ms
Nameserver rev1.kornet.net. reports: No such host 20.14.133.121.in-addr.arpa.
Total elapsed query time: 1,462 ms