Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '203.201.30.0'
+157
ERRNo PTR record availible DNS server 'ns-1877.awsdns-42.co.uk' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.30.201.203.in-addr.arpa'.