Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '159.140.141.0'
+134
ERRNo PTR record availible DNS server 'ns3.cernerns.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.141.140.159.in-addr.arpa'.