DoH and DoT
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DNS over HTTP and DNS over TLS
Andrews & Arnold does not yet support DoH or DoT. This page is work in progress.
Help with browsers and devices
FireFox
Menu -> Preferences -> Scroll down to Network Setting... -> Scroll down and tick 'Enable DNS over HTTPS' and enter in a Custom provider

Checking your browser
In your URL bar, type:  about:networking#dns
Chrome
DoH is expected to be a feature in Chrome version 78
Android (DoT)
DoT is supported in Android version 9 and up

- Settings
 - Search for “DNS” in settings search bar
 - Go to PrivateDNS setting screen
 - Tap 'Private DNS provider hostname', and Set: dns.aa.net.uk
 - Click Save
 
Using DOH with curl
Note: curl version 7.62.0 or above is required, here's an example:
curl --doh-url https://dns.aa.net.uk/dns-query https://www.aa.net.uk
This will download the www.aa.net.uk webpage but would have used the DOH server to resolve the DNS.