Searching for 31.137.47.75.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for 31.137.47.75.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 169 ms
Searching for 31.137.47.75.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 169 ms
Searching for y.arin.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 69 ms
Searching for y.arin.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for y.arin.net. A record at u.arin.net. [204.61.216.50] ...took 11 ms
Searching for 31.137.47.75.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 5 msSearching for y.arin.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for y.arin.net. A record at u.arin.net. [204.61.216.50] ...took 11 ms
Nameserver y.arin.net. reports: No such host 31.137.47.75.in-addr.arpa.
Total elapsed query time: 279 ms