Searching for 18.68.210.175.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 18.68.210.175.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 92 ms
Searching for 18.68.210.175.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 92 ms
Searching for ns1.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns1.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 18.68.210.175.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 249 msSearching for ns1.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for d.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for d.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 7 ms
Searching for 18.68.210.175.in-addr.arpa. PTR record at d.dns.kr. [203.83.159.1]
...took 225 msSearching for d.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 7 ms
Nameserver d.dns.kr. reports: No such host 18.68.210.175.in-addr.arpa.
Total elapsed query time: 656 ms