Preferences Menu

1. In menu, navigate to Tools > Preferences > General > Settings > Network Settings.

2. Select Enable DNS over HTTPS.

3. Choose any of the following to set DNS resolver:

   (Default) Set Cloudfare.

   Set a custom DNS resolver.

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Configuration Panel

1. Type about:config in the URL bar.

2. In the search area, type network.ttr.mode and set any of the following values:

   2:Turns on DoH and keeps the regular DNS only as a backup.

   3: Turns on DoH with no regular DNS support.

3. In the search area, type network.ttr.uri to set the domain name of the DNS resolver.

   • The default Cloudfare URI is https://mozilla.cloudflare-dns.com/dns-query​

4. (Optional). In the search area, type network.ttr.bootstrapAddress to set up IP address.

   Cloudfare: 1.1.1.1

   Google: 8.8.8.8

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