Searching for 3.51.7.39.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 3.51.7.39.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for 3.51.7.39.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for ns3.lacnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns3.lacnic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for ns3.lacnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 3.51.7.39.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 204 msSearching for ns3.lacnic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for ns3.lacnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for f.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for f.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 6 ms
Searching for 3.51.7.39.in-addr.arpa. PTR record at f.dns.kr. [210.101.62.1]
...took 225 msSearching for f.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 6 ms
Nameserver f.dns.kr. reports: No such host 3.51.7.39.in-addr.arpa.
Total elapsed query time: 531 ms