Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '193.234.249.0'
+344
ERRNo PTR record availible DNS server 'a.portsdns.se' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.249.234.193.in-addr.arpa'.