Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '192.230.230.0'
+134
ERRNo PTR record availible DNS server 'ns-1627.awsdns-11.co.uk' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.230.230.192.in-addr.arpa'.