Searching for 31.137.47.75.in-addr.arpa. PTR record at H.ROOT-SERVERS.NET. [198.97.190.53]
...took 6 ms
Searching for 31.137.47.75.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 92 ms
Searching for 31.137.47.75.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 92 ms
Searching for z.arin.net. A record at H.ROOT-SERVERS.NET. [198.97.190.53]
...took 6 ms
Searching for z.arin.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 23 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 156 ms
Searching for 31.137.47.75.in-addr.arpa. PTR record at z.arin.net. [199.180.180.63]
...took 92 msSearching for z.arin.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 23 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 156 ms
Nameserver z.arin.net. reports: No such host 31.137.47.75.in-addr.arpa.
Total elapsed query time: 375 ms