Searching for 172.220.154.218.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 172.220.154.218.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 172.220.154.218.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for ns3.lacnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns3.lacnic.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 19 ms
Searching for ns3.lacnic.net. A record at ns2.lacnic.net. [200.3.13.11] ...took 207 ms
Searching for 172.220.154.218.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 207 msSearching for ns3.lacnic.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 19 ms
Searching for ns3.lacnic.net. A record at ns2.lacnic.net. [200.3.13.11] ...took 207 ms
Searching for c.dns.kr. A record at E.ROOT-SERVERS.NET. [192.203.230.10]
...took 32 ms
Searching for c.dns.kr. A record at e.dns.kr. [202.30.124.100] ...took 294 ms
Searching for 172.220.154.218.in-addr.arpa. PTR record at c.dns.kr. [210.101.61.1]
...took 264 msSearching for c.dns.kr. A record at e.dns.kr. [202.30.124.100] ...took 294 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 b.gtld-servers.net. [192.33.14.30] ...took 32 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 301 ms
Searching for 172.220.154.218.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 302 msSearching for rev2.kornet.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 32 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 301 ms
Nameserver rev2.kornet.net. reports: No such host 172.220.154.218.in-addr.arpa.
Total elapsed query time: 1,714 ms