Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '66.51.217.0'
+132
ERRNo PTR record availible DNS server 'ns1.dslextreme.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.217.51.66.in-addr.arpa'.