Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '158.115.147.0'
+214
ERRNo PTR record availible DNS server 'ns-603.awsdns-11.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.147.115.158.in-addr.arpa'.