Searching for 123.42.50.121.in-addr.arpa. PTR record at J.ROOT-SERVERS.NET. [192.58.128.30]
...took 34 ms
Searching for 123.42.50.121.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for 123.42.50.121.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for rirns.arin.net. A record at J.ROOT-SERVERS.NET. [192.58.128.30]
...took 34 ms
Searching for rirns.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 152 ms
Searching for 123.42.50.121.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 95 msSearching for rirns.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 152 ms
Searching for ns1.tsukaeru.ne.jp. A record at J.ROOT-SERVERS.NET. [192.58.128.30]
...took 34 ms
Searching for ns1.tsukaeru.ne.jp. A record at h.dns.jp. [161.232.72.25] ...took 11 ms
Searching for ns1.tsukaeru.ne.jp. A record at ns1.tsukaeru.ne.jp. [119.82.31.29] ...took 262 ms
Searching for 123.42.50.121.in-addr.arpa. PTR record at ns1.tsukaeru.ne.jp. [119.82.31.29]
...took 263 msSearching for ns1.tsukaeru.ne.jp. A record at h.dns.jp. [161.232.72.25] ...took 11 ms
Searching for ns1.tsukaeru.ne.jp. A record at ns1.tsukaeru.ne.jp. [119.82.31.29] ...took 262 ms
Nameserver ns1.tsukaeru.ne.jp. reports: No such host 123.42.50.121.in-addr.arpa.
Total elapsed query time: 903 ms