Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '202.236.109.0'
+903
ERRNo PTR record availible DNS server 'ryusei.momat.go.jp' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.109.236.202.in-addr.arpa'.