Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '176.236.16.0'
+530
ERRNo PTR record availible DNS server 'ns4.superonline.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.16.236.176.in-addr.arpa'.