Searching for 157.251.192.211.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 157.251.192.211.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 184 ms
Searching for 157.251.192.211.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 184 ms
Searching for ns2.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns2.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 6 ms
Searching for 157.251.192.211.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 6 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 c.dns.kr. [210.101.61.1] ...took 222 ms
Searching for 157.251.192.211.in-addr.arpa. PTR record at g.dns.kr. [202.31.190.1]
...took 7 msSearching for g.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 222 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 24 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 289 ms
Searching for 157.251.192.211.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 288 msSearching for rev2.kornet.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 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 157.251.192.211.in-addr.arpa.
Total elapsed query time: 1,091 ms