All domain are all redirecting to

Entire all my domains are redirected to only when Windows user agent is found. If you use another user agent (even same browser on a different platform) everything works correctly.
Honestly we made all tests and check we can. We think the problem is on Cloudflare but we didn’t find any option that fix the problem

It sounds like your Cloudflare account may have been compromised. There have been a few cases where malicious Redirect Rules have been added to accounts that trigger a redirect only with Windows user agents.

You should secure your account by resetting your password, configuring 2FA and rotating your API keys & tokens.

You should also review the audit log to see what malicious configuration has been added and revert it.

In previous cases it has been a Redirect Rule such as this that has been added: