Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '200.15.0.0'
+334
ERRNo PTR record availible DNS server 'AUTH22.NS.GIN.NTT.NET' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.15.200.in-addr.arpa'.