Searching for 221.96.105.61.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 221.96.105.61.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 7 ms
Searching for 221.96.105.61.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 7 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 f.gtld-servers.net. [192.35.51.30] ...took 26 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 221.96.105.61.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 26 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for c.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for c.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 225 ms
Searching for 221.96.105.61.in-addr.arpa. PTR record at c.dns.kr. [210.101.61.1]
...took 229 msSearching for c.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 225 ms
Nameserver c.dns.kr. reports: No such host 221.96.105.61.in-addr.arpa.
Total elapsed query time: 554 ms