Searching for 237.91.156.221.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 237.91.156.221.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 258 ms
Searching for 237.91.156.221.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 258 ms
Searching for apnic.authdns.ripe.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for apnic.authdns.ripe.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 12 ms
Searching for 237.91.156.221.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 12 msSearching for apnic.authdns.ripe.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 12 ms
Searching for g.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for g.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 7 ms
Searching for 237.91.156.221.in-addr.arpa. PTR record at g.dns.kr. [202.31.190.1]
...took 7 msSearching for g.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 13 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 289 ms
Searching for 237.91.156.221.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 289 msSearching for rev2.kornet.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 13 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 289 ms
Nameserver rev2.kornet.net. reports: No such host 237.91.156.221.in-addr.arpa.
Total elapsed query time: 971 ms