I have added my website to cloudflare but it is showing error 521 since yesterday

I have added my website to cloudflare but it is showing error 521 since yesterday.

Are you still encountering this?

A 521 error happens when Cloudflare is unable to make a TCP connection to your origin server. Review the suggestions in this Community Tip for Quick Fix Ideas.

Still encountering this

I show two zones in your account, one deleted and the other deleted and purged, can you share the name of the domain causing issues?

My Domain: https://iforumbd.store

I removed Cloudfare because it was down