Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '185.120.173.0'
+419
ERRNo PTR record availible DNS server 'dns3.custdc.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.173.120.185.in-addr.arpa'.