Searching for 106.158.154.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 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 f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 248 msSearching for ns1.apnic.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for g.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for g.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 283 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at g.dns.kr. [202.31.190.1]
...took 8 msSearching for g.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 283 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 286 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 291 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 286 ms
Nameserver rev2.kornet.net. reports: No such host 106.158.154.121.in-addr.arpa.
Total elapsed query time: 1,231 ms