Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '196.4.30.0'
+371
ERRNo PTR record availible DNS server 'ns1.iafrica.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.30.4.196.in-addr.arpa'.