How to flush/clear the pfsense DNS forwarder cache

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To flush the DNS forwarder cache in pfSense, you can follow these steps:

  1. Log in to the pfSense web interface.
  2. Navigate to Services > DNS Forwarder.
  3. Click the “Clear Cache” button located at the top of the page.

The DNS forwarder cache is now cleared and any changes to the DNS records will be immediately reflected in the forwarder.

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