Searching for 17.126.140.58.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 17.126.140.58.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 17.126.140.58.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for rirns.arin.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 157 ms
Searching for 17.126.140.58.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 92 msSearching for rirns.arin.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 157 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 f.dns.kr. [210.101.62.1] ...took 225 ms
Searching for 17.126.140.58.in-addr.arpa. PTR record at b.dns.kr. [210.101.60.1]
...took 285 msSearching for b.dns.kr. A record at f.dns.kr. [210.101.62.1] ...took 225 ms
Nameserver b.dns.kr. reports: No such host 17.126.140.58.in-addr.arpa.
Total elapsed query time: 822 ms