Searching for 231.48.123.131.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for 231.48.123.131.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 231.48.123.131.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for y.arin.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for y.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 41 ms
Searching for y.arin.net. A record at u.arin.net. [204.61.216.50] ...took 16 ms
Searching for 231.48.123.131.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 7 msSearching for y.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 41 ms
Searching for y.arin.net. A record at u.arin.net. [204.61.216.50] ...took 16 ms
Nameserver y.arin.net. reports: No such host 231.48.123.131.in-addr.arpa.
Total elapsed query time: 153 ms