Issues with Error 521 on my site

Hi all,

Hoping someone can assist with [website](https:// livelearnbazi.com/) issues with error 521
It’s showing my web server is down after Cloudflare CDN certificate was renewed last evening.

I’m on bluehost.
I’m currently on SSL flexible settings.
I have checked the post for all solutions Community Tip - Fixing Error 521: Web server is down and to no solution.

Can someone please provide a solution?

Then you currently have a security issue.

Even on Full or Full (Strict), i’m still getting the same error 521 on my site.

Pause Cloudflare for now, make sure your site loads fine on HTTPS, and only then unpause Cloudflare.

I have paused cloudflare but it’s still showing web server is down.

Earlier today, I was advised by bluehost team to switch DNS back to them.
I switched it back to them, but later I switched it back to Cloudflare.
Does it also cause the error 521 to remain?

While using https://tools.keycdn.com/curl
Below is the error message, hope someone can help?

HTTP/2503

cf-cache-status: MISS

cf-ray: 68f0d6abadb14db2-FRA

content-type: text/plain; charset=utf-8

date: Wed, 15 Sep 2021 09:30:50 GMT

display: staticcontent_sol, orig_site_sol

expect-ct: max-age=604800, report-uri=“https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct

expires: Tue, 14 Sep 2021 09:30:50 GMT

response: 521

server: nginx

vary: Accept-Encoding

vary: Origin,Accept-Encoding

x-ezoic-cdn: Miss

x-middleton-display: staticcontent_sol, orig_site_sol

x-middleton-response: 521

x-origin-cache-control: no-store, no-cache

x-sol: orig

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