Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '170.72.238.0'
+316
ERRNo PTR record availible DNS server 'ns1.as13445.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.238.72.170.in-addr.arpa'.