Searching for 233.120.169.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 233.120.169.121.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 92 ms
Searching for 233.120.169.121.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 92 ms
Searching for ns2.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns2.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for 233.120.169.121.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for c.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for c.dns.kr. A record at f.dns.kr. [210.101.62.1] ...took 226 ms
Searching for 233.120.169.121.in-addr.arpa. PTR record at c.dns.kr. [210.101.61.1]
...took 226 msSearching for c.dns.kr. A record at f.dns.kr. [210.101.62.1] ...took 226 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 c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 280 ms
Searching for 233.120.169.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 277 msSearching for rev2.kornet.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 280 ms
Nameserver rev2.kornet.net. reports: No such host 233.120.169.121.in-addr.arpa.
Total elapsed query time: 1,218 ms