Searching for 250.200.131.223.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 250.200.131.223.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 192 ms
Searching for 250.200.131.223.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 192 ms
Searching for ns2.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns2.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns2.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 247 ms
Searching for 250.200.131.223.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns2.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 247 ms
Searching for b.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for b.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 8 ms
Searching for 250.200.131.223.in-addr.arpa. PTR record at b.dns.kr. [210.101.60.1]
...took 289 msSearching for b.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 8 ms
Nameserver b.dns.kr. reports: No such host 250.200.131.223.in-addr.arpa.
Total elapsed query time: 809 ms