Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '185.172.153.0'
+432
ERRNo PTR record availible DNS server 'ns2.perf1.fr' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.153.172.185.in-addr.arpa'.