Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '83.217.224.0'
+925
ERRNo PTR record availible DNS server 'ns1.ntt.eu' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.224.217.83.in-addr.arpa'.