Searching for 138.209.120.175.in-addr.arpa. PTR record at G.ROOT-SERVERS.NET. [192.112.36.4]
...took 25 ms
Searching for 138.209.120.175.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 102 ms
Searching for 138.209.120.175.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 102 ms
Searching for apnic.authdns.ripe.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for apnic.authdns.ripe.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 94 ms
Searching for 138.209.120.175.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 11 msSearching for apnic.authdns.ripe.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 94 ms
Searching for c.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for c.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 6 ms
Searching for 138.209.120.175.in-addr.arpa. PTR record at c.dns.kr. [210.101.61.1]
...took 226 msSearching for c.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 6 ms
Nameserver c.dns.kr. reports: No such host 138.209.120.175.in-addr.arpa.
Total elapsed query time: 504 ms