Searching for 30.29.143.121.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for 30.29.143.121.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 120 ms
Searching for 30.29.143.121.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 120 ms
Searching for ns1.apnic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for ns1.apnic.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 122 ms
Searching for 30.29.143.121.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 166 msSearching for ns1.apnic.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 122 ms
Searching for b.dns.kr. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for b.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 220 ms
Searching for 30.29.143.121.in-addr.arpa. PTR record at b.dns.kr. [210.101.60.1]
...took 307 msSearching for b.dns.kr. A record at d.dns.kr. [203.83.159.1] ...took 220 ms
Searching for rev2.kornet.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for rev2.kornet.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 40 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 290 ms
Searching for 30.29.143.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 289 msSearching for rev2.kornet.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 40 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 290 ms
Nameserver rev2.kornet.net. reports: No such host 30.29.143.121.in-addr.arpa.
Total elapsed query time: 1,737 ms