Update 1. Reddit contains additional information link below
Update 2. I now have confirmation that the two cloudflare ips I dug up are indeed the ticket to blocking CF DoH.
So what do you guys/gals think about putting together a list of iot doh server ip’s? We could use them to block with iptables and it might force the use of port 53 instead?
See post 8 for ip’s ↓