Searching for 31.21.141.71.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 31.21.141.71.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 31.21.141.71.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for r.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for r.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for r.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 152 ms
Searching for 31.21.141.71.in-addr.arpa. PTR record at r.arin.net. [199.180.180.63]
...took 94 msSearching for r.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for r.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 152 ms
Nameserver r.arin.net. reports: No such host 31.21.141.71.in-addr.arpa.
Total elapsed query time: 295 ms