Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '71.152.65.0'
+229
ERRNo PTR record availible DNS server 'x4.amazonaws.org' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.65.152.71.in-addr.arpa'.