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 b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for 158.250.140.121.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 15 ms
Searching for ns1.apnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 244 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 246 msSearching for ns1.apnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 244 ms
Searching for g.dns.kr. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for g.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 285 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at g.dns.kr. [202.31.190.1]
...took 7 msSearching for g.dns.kr. A record at b.dns.kr. [210.101.60.1] ...took 285 ms
Searching for rev2.kornet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for rev2.kornet.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 286 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 296 msSearching for rev2.kornet.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 286 ms
Nameserver rev2.kornet.net. reports: No such host 158.250.140.121.in-addr.arpa.
Total elapsed query time: 1,460 ms