What is the advance feature of RPZ (Response Policy Zones) , RRL (Response Rate Limiting) & NXdomain in BIND?

Solution Unverified - Updated -

Issue

  • Building DNS Firewalls with Response Policy Zones (RPZ)
  • RRL - Response Rate Limiting ( Good one for avoiding DNS amplification attack)
  • NXdomain redirection

Environment

  • Red Hat Enterprise Linux 6

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