Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '68.64.5.0'
+155
ERRNo PTR record availible DNS server 'ns2.getgo.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.5.64.68.in-addr.arpa'.