Searching for 72.138.122.220.in-addr.arpa. PTR record at E.ROOT-SERVERS.NET. [192.203.230.10]
...took 6 ms
Searching for 72.138.122.220.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 135 ms
Searching for 72.138.122.220.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 135 ms
Searching for ns2.apnic.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 11 ms
Searching for ns2.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 15 ms
Searching for 72.138.122.220.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 15 ms
Searching for d.dns.kr. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 10 ms
Searching for d.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 285 ms
Searching for 72.138.122.220.in-addr.arpa. PTR record at d.dns.kr. [203.83.159.1]
...took 266 msSearching for d.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 285 ms
Searching for rev2.kornet.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 11 ms
Searching for rev2.kornet.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 276 ms
Searching for 72.138.122.220.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 280 msSearching for rev2.kornet.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 276 ms
Nameserver rev2.kornet.net. reports: No such host 72.138.122.220.in-addr.arpa.
Total elapsed query time: 1,323 ms