Searching for 10.210.247.203.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for 10.210.247.203.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 16 ms
Searching for 10.210.247.203.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 16 ms
Searching for apnic.authdns.ripe.net. A record at F.ROOT-SERVERS.NET. [192.5.5.241]
...took 7 ms
Searching for apnic.authdns.ripe.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 16 ms
Searching for 10.210.247.203.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 16 msSearching for apnic.authdns.ripe.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 16 ms
Searching for b.dns.kr. A record at G.ROOT-SERVERS.NET. [192.112.36.4]
...took 25 ms
Searching for b.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 7 ms
Searching for 10.210.247.203.in-addr.arpa. PTR record at b.dns.kr. [210.101.60.1]
...took 275 msSearching for b.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 7 ms
Nameserver b.dns.kr. reports: No such host 10.210.247.203.in-addr.arpa.
Total elapsed query time: 405 ms