Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '120.56.32.0'
+189
ERRNo PTR record availible DNS server 'apnic.authdns.ripe.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.32.56.120.in-addr.arpa'.