Searching for 20.14.133.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 303 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 303 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 i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 6 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 i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 6 ms
Searching for g.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for g.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 225 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 225 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 j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 290 ms
Searching for 20.14.133.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 289 msSearching for rev2.kornet.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 290 ms
Nameserver rev2.kornet.net. reports: No such host 20.14.133.121.in-addr.arpa.
Total elapsed query time: 1,204 ms