For anyone else hyperventilating at the #Firefox testing of the new #IETF standard recommendation: #DoH
You might like to hear about options to still use DoH and NOT #Cloudflare #Mozilla is not about to introduce a Single Point of Failure. It's testing a new standard via one of the early adopting DNS providers.
Anyways, here's a list of alternative DoH end-points! https://github.com/curl/curl/wiki/DNS-over-HTTPS#publicly-available-servers