Searching for 138.209.120.175.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 138.209.120.175.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 187 ms
Searching for 138.209.120.175.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 187 ms
Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for rirns.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 21 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 146 ms
Searching for 138.209.120.175.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 90 msSearching for rirns.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 21 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 146 ms
Searching for b.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for b.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 287 ms
Searching for 138.209.120.175.in-addr.arpa. PTR record at b.dns.kr. [210.101.60.1]
...took 289 msSearching for b.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 287 ms
Nameserver b.dns.kr. reports: No such host 138.209.120.175.in-addr.arpa.
Total elapsed query time: 1,062 ms