Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '199.65.252.0'
+211
ERRNo PTR record availible DNS server 'dns1.p01.nsone.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.252.65.199.in-addr.arpa'.