Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '165.85.68.0'
+166
ERRNo PTR record availible DNS server 'ns-532.awsdns-02.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.68.85.165.in-addr.arpa'.