Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '151.122.208.0'
+202
ERRNo PTR record availible DNS server 'ns-351.awsdns-43.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.208.122.151.in-addr.arpa'.