Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '170.89.146.0'
+349
ERRNo PTR record availible DNS server 'nsc.nuskin.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.146.89.170.in-addr.arpa'.