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I have deployed a Raspberry Pi and I am running Pi Hole as a network wide ad blocker. I have logged on to my Vodafone Broadband router and set the DNS to manual, in the server 1 field, I entered the IP address of the Pi and clicked save but I get the error in the attached picture.
Any ideas on how to change this?
The Pi is working as if I manually set the DNS on my phone, it runs through the Pi with no issues.