Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '147.28.36.0'
+307
ERRNo PTR record availible DNS server 'dns03.mimecast.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.36.28.147.in-addr.arpa'.