When Firefox was set by default like this:
I get this:
When i changed it to this:
navy army federal credit union near me
I get this:
Firefox is not using cloudflare as an "automatic proxy".
Firefox does support DNS-over-HTTPS. When enabling, you can chose which server to use. And Cloudflares DNS server is the default one. But that's not a proxy.
That's an encrypted way to resolve domains to IP addresses (without being visible for everyone).
The website does NOT know how you gathered the IP.
It is the DNS servers fault. This has nothing to do with archive.is or any other website.