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With Firefox, you can send DNS queries using the DNS over HTTPS protocol.

  • Open Preferences and scroll to the bottom.

  • Click on Settings inside Network Settings.

  • Check Enable DNS over HTTPS.

  • Using the dropdown for Use Provider, choose Custom.

  • In the Custom field enter and click OK.

  • Enter about:config in the address bar.

  • Click on Accept the risk! if you see a prompt from Firefox.

  • Set network.trr.bootstrapAddress to

  • Set network.trr.mode to 3