Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '212.83.64.0'
+406
ERRNo PTR record availible DNS server 'amsns01.chello.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.64.83.212.in-addr.arpa'.