Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '200.30.0.0'
+407
ERRNo PTR record availible DNS server 'NS3.GIP.NET' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.30.200.in-addr.arpa'.