But recently I’ve been able to use the site even while browsing via Cloudflare WARP.
Either my DNS is misconfigured (leaking) or the issue is resolved. Does anyone know the details? Did archive.is back down on their eDNS requirements, or did Cloudflare start sending the client subnet?
[0] https://en.wikipedia.org/wiki/Archive.today#Cloudflare_DNS_availability