Searching for 106.158.154.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 93 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 93 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 k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for ns2.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 ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for f.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for f.dns.kr. A record at e.dns.kr. [202.30.124.100] ...took 283 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at f.dns.kr. [210.101.62.1]
...took 226 msSearching for f.dns.kr. A record at e.dns.kr. [202.30.124.100] ...took 283 ms
Searching for rev2.kornet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 17 ms
Searching for rev2.kornet.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 288 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 295 msSearching for rev2.kornet.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for rev2.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 288 ms
Nameserver rev2.kornet.net. reports: No such host 106.158.154.121.in-addr.arpa.
Total elapsed query time: 1,292 ms