Searching for 123.42.50.121.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 33 ms
Searching for 123.42.50.121.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 302 ms
Searching for 123.42.50.121.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 302 ms
Searching for apnic.authdns.ripe.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 34 ms
Searching for apnic.authdns.ripe.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at ns3.lacnic.net. [200.3.13.14] ...took 205 ms
Searching for 123.42.50.121.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 11 msSearching for apnic.authdns.ripe.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at ns3.lacnic.net. [200.3.13.14] ...took 205 ms
Searching for ns2.tsukaeru.ne.jp. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 33 ms
Searching for ns2.tsukaeru.ne.jp. A record at a.dns.jp. [203.119.1.1] ...took 238 ms
Searching for ns2.tsukaeru.ne.jp. A record at ns1.tsukaeru.ne.jp. [119.82.31.29] ...took 266 ms
Searching for 123.42.50.121.in-addr.arpa. PTR record at ns2.tsukaeru.ne.jp. [119.82.31.45]
...took 277 msSearching for ns2.tsukaeru.ne.jp. A record at a.dns.jp. [203.119.1.1] ...took 238 ms
Searching for ns2.tsukaeru.ne.jp. A record at ns1.tsukaeru.ne.jp. [119.82.31.29] ...took 266 ms
Nameserver ns2.tsukaeru.ne.jp. reports: No such host 123.42.50.121.in-addr.arpa.
Total elapsed query time: 1,423 ms