Run the cloudflared proxy-dns using the DNS over HTTPS endpoints from quad9. The proxy-dns listens on port 5054 by default but can be changed using the PORT environment variable.

This docker image is a simple configuration of the visibilityspots/cloudflared image to use the quad9 DNS over HTTPS endpoints.

The docker image is published to ajhewett/quad9d on Docker Hub.

docker run --name quad9d --rm --net host ajhewett/quad9d

The following environment variables are available (together with defaults):

ENV PORT 5054

ENV UPSTREAM1 https://9.9.9.9/dns-query
ENV UPSTREAM2 https://149.112.112.112/dns-query

You can set these variables to run a container with different DoH servers.

Distributed under the MIT license.