Searching for 172.220.154.218.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 172.220.154.218.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 125 ms
Searching for 172.220.154.218.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 125 ms
Searching for ns1.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns1.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for 172.220.154.218.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 241 msSearching for ns1.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for f.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for f.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 7 ms
Searching for 172.220.154.218.in-addr.arpa. PTR record at f.dns.kr. [210.101.62.1]
...took 225 msSearching for f.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 7 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 j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 282 ms
Searching for 172.220.154.218.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 281 msSearching for rev2.kornet.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 282 ms
Nameserver rev2.kornet.net. reports: No such host 172.220.154.218.in-addr.arpa.
Total elapsed query time: 1,261 ms