Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '203.17.138.0'
+1.454
ERRNo PTR record availible DNS server 'poodle.mpx.com.au' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.138.17.203.in-addr.arpa'.