Searching for 158.250.140.121.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for ns1.apnic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for ns1.apnic.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 23 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 167 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 167 msSearching for ns1.apnic.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 23 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 167 ms
Searching for b.dns.kr. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 38 ms
Searching for b.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 247 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at b.dns.kr. [210.101.60.1]
...took 293 msSearching for b.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 247 ms
Searching for rev2.kornet.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for rev2.kornet.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 21 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 287 ms
Searching for 158.250.140.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 301 msSearching for rev2.kornet.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 21 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 287 ms
Nameserver rev2.kornet.net. reports: No such host 158.250.140.121.in-addr.arpa.
Total elapsed query time: 1,831 ms