Searching for 158.250.140.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 282 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 282 ms
Searching for ns1.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns1.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 13 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 247 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 253 msSearching for ns1.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 13 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 247 ms
Searching for c.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for c.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 c.dns.kr. [210.101.61.1]
...took 232 msSearching for c.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 15 ms
Searching for rev1.kornet.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 289 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at rev1.kornet.net. [211.216.50.170]
...took 286 msSearching for rev1.kornet.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 24 ms
Searching for rev1.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 289 ms
Nameserver rev1.kornet.net. reports: No such host 158.250.140.121.in-addr.arpa.
Total elapsed query time: 1,692 ms