Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '188.141.0.0'
+432
ERRNo PTR record availible DNS server 'ns1.upc.biz' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.141.188.in-addr.arpa'.