Letsencrypt Redirect loop detected

Getting this on all of my users/domains.

example

Error: Let's Encrypt validation status 400 (.com). Details: 400:"x.x.x.x: Fetching http://.com/.well-known/acme-challenge/qz8TbWBrSxxxxxxxxxx1k3oaAouiyofmc9VHY7Ji-_7eg4: Redirect loop detected"

If you are using Cloudflare disable proxy for the moment …

Straight pipe into webserver, no CDN or WAF.

Domain with the issue

Multiple domains. I can PM them.

Please send a DM …