Searching for 158.250.140.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 249 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 249 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 a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 270 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 256 msSearching for ns1.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 270 ms
Searching for f.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for f.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 7 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at f.dns.kr. [210.101.62.1]
...took 225 msSearching for f.dns.kr. A record at g.dns.kr. [202.31.190.1] ...took 7 ms
Searching for rev1.kornet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for rev1.kornet.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 13 ms
Searching for rev1.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 291 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at rev1.kornet.net. [211.216.50.170]
...took 288 msSearching for rev1.kornet.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 13 ms
Searching for rev1.kornet.net. A record at ns2.kornet.net. [211.216.50.160] ...took 291 ms
Nameserver rev1.kornet.net. reports: No such host 158.250.140.121.in-addr.arpa.
Total elapsed query time: 1,679 ms