How to flush/clear the pfsense DNS forwarder cache
Your firewall comes with Unbound DNS caching system. It is a very secure validating, recursive, and caching DNS server. This tutorial shows you how to clear the Unbound DNS forwarder cache, restart the Unbound daemon on pfSense.
How do I clear or flush the DNS cache
Fire a web-browser and type your firewall IP-address or hostname. For example:
Next click on the Status > Services:
https://192.168.2.254
Next click on the Status > Services:
Locate unbound in the list:
Click on “restart” icon.
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