Searching for 171.2.40.72.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for 171.2.40.72.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 155 ms
Searching for 171.2.40.72.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 155 ms
Searching for x.arin.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 89 ms
Searching for x.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for x.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for 171.2.40.72.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63]
...took 155 msSearching for x.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for x.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Nameserver x.arin.net. reports: No such host 171.2.40.72.in-addr.arpa.
Total elapsed query time: 520 ms