Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '8.3.80.0'
+357
ERRNo PTR record availible DNS server 'ns-1398.awsdns-46.org' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.80.3.8.in-addr.arpa'.