Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '103.13.80.0'
+233
ERRNo PTR record availible DNS server 'auth22.ns.gin.ntt.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.80.13.103.in-addr.arpa'.