Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '134.224.168.0'
+230
ERRNo PTR record availible DNS server 'ns-1803.awsdns-33.co.uk' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.168.224.134.in-addr.arpa'.