Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving host 'ix.kw'
+249
IP's found: ix.kw (194.54.137.131)
+249
Resolving PTR record of '194.54.137.131'
+365
ERRNo PTR record availible DNS server 'ns3.afrinic.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '131.137.54.194.in-addr.arpa'.