Searching for 209.237.141.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 209.237.141.121.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 209.237.141.121.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for rirns.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 152 ms
Searching for 209.237.141.121.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 93 msSearching for rirns.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 152 ms
Searching for b.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for b.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 225 ms
Searching for 209.237.141.121.in-addr.arpa. PTR record at b.dns.kr. [210.101.60.1]
...took 297 msSearching for b.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 a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 300 ms
Searching for 209.237.141.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 301 msSearching for rev2.kornet.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 300 ms
Nameserver rev2.kornet.net. reports: No such host 209.237.141.121.in-addr.arpa.
Total elapsed query time: 1,471 ms