Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '188.191.103.0'
+141
ERRNo PTR record availible DNS server 'ns3.afrinic.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.103.191.188.in-addr.arpa'.