DoH and DoT
FireFox
Setting up DOH
Menu -> Preferences -> Scroll down to Network Setting... -> Scroll down and tick 'Enable DNS over HTTPS' and enter in a Custom provider
Checking your browser
Firefox: in your URL bar, type: about:networking#dns
This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!
Menu -> Preferences -> Scroll down to Network Setting... -> Scroll down and tick 'Enable DNS over HTTPS' and enter in a Custom provider
Firefox: in your URL bar, type: about:networking#dns