Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '67.220.240.0'
+125
ERRNo PTR record availible DNS server 'x4.amazonaws.org' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.240.220.67.in-addr.arpa'.