Searching for 72.138.122.220.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 72.138.122.220.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 129 ms
Searching for 72.138.122.220.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 129 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 l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 93 ms
Searching for 72.138.122.220.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 93 msSearching for rirns.arin.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 93 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 e.dns.kr. [202.30.124.100] ...took 287 ms
Searching for 72.138.122.220.in-addr.arpa. PTR record at b.dns.kr. [210.101.60.1]
...took 289 msSearching for b.dns.kr. A record at e.dns.kr. [202.30.124.100] ...took 287 ms
Searching for rev2.kornet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for rev2.kornet.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 23 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 292 ms
Searching for 72.138.122.220.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 281 msSearching for rev2.kornet.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 23 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 292 ms
Nameserver rev2.kornet.net. reports: No such host 72.138.122.220.in-addr.arpa.
Total elapsed query time: 1,556 ms