Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '66.197.185.0'
+316
ERRNo PTR record availible DNS server 'pdns154.ultradns.org' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.185.197.66.in-addr.arpa'.