In lieu of using Kentik’s on-the-fly reverse DNS, customers can leverage kproxy and have it query their own DNS and insert rDNS values into the Kflow data. Among other things, it allows resolution of private IPs reverse DNS, but the initial tradeoff was that it cost customers two of their own custom dimensions. Upon rollout of this feature, native Kentik dimensions will be used.

How can I use this feature?
The following Knowledge Base Article will help you configure kproxy to perform this task.