Searching for 29.79.172.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 29.79.172.121.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for 29.79.172.121.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for ns1.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns1.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 29.79.172.121.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 256 msSearching for ns1.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for b.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for b.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 289 ms
Searching for 29.79.172.121.in-addr.arpa. PTR record at b.dns.kr. [210.101.60.1]
...took 284 msSearching for b.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 289 ms
Searching for rev1.kornet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for rev1.kornet.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 289 ms
Searching for 29.79.172.121.in-addr.arpa. PTR record at rev1.kornet.net. [211.216.50.170]
...took 288 msSearching for rev1.kornet.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 289 ms
Nameserver rev1.kornet.net. reports: No such host 29.79.172.121.in-addr.arpa.
Total elapsed query time: 1,516 ms