Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '104.249.161.0'
+346
ERRNo PTR record availible DNS server 'ns-283.awsdns-35.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.161.249.104.in-addr.arpa'.