Searching for 106.158.154.121.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 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 d.gtld-servers.net. [192.31.80.30] ...took 20 ms
Searching for ns1.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 187 msSearching for ns1.apnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 20 ms
Searching for ns1.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Searching for d.dns.kr. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for d.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 347 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at d.dns.kr. [203.83.159.1]
...took 283 msSearching for d.dns.kr. A record at c.dns.kr. [210.101.61.1] ...took 347 ms
Searching for rev2.kornet.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for rev2.kornet.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 19 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 279 ms
Searching for 106.158.154.121.in-addr.arpa. PTR record at rev2.kornet.net. [211.216.50.180]
...took 281 msSearching for rev2.kornet.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 19 ms
Searching for rev2.kornet.net. A record at ns.kornet.net. [211.216.50.150] ...took 279 ms
Nameserver rev2.kornet.net. reports: No such host 106.158.154.121.in-addr.arpa.
Total elapsed query time: 1,489 ms