Host Error (Error 521)

I have a problem with DNS, I have setup a “A” record, which points to my vps ip address. Where I host the web. But when I try to enter it gives me Error 521. The ports are open, ip are not blocked and etc. The vps web itself is working (“”), but the site: (“”) doesn’t.
I host vps on hetzner cloud, any help?

Before you added the site to Cloudflare, was it working with HTTPS at that hostname?

I didn’t have HTTPS, but it was working

Your domain redirects to HTTPS, so that’s probably the problem. You need to configure your server for HTTPS. If you need an SSL certificate for your server, you can use an Origin Cert from Cloudflare:

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