Linux Babe published a tutorial about setting up Response Policy Zone (RPZ) in BIND Resolver on CentOS or RHEL.

Set Up Response Policy Zone (RPZ) in BIND Resolver on CentOS/RHEL

This tutorial shows you how to override public DNS records in your BIND DNS resolver with response policy zone (RPZ) on CentOS/RHEL.What is Response Policy Zone?

Set Up Response Policy Zone (RPZ) in BIND Resolver on CentOS/RHEL