Cloudflare Error 521: Web server is down.

Hi. I have a website on here. It’s great hosting on here but suddenly the last couple of days the web server has repeatedly gone offline. This is very disturbing. If you could possibly fix this here is the info you need staff!
Link To Site Here! https://www.cosmosmc.ga/
Hosting Account name: epiz_23218126

I checked your website but it seems to be working fine now.

Admin said:
I checked your website but it seems to be working fine now.
Thanks. It still does 502: Bad gateway aswell. It just happened to me when I tried to enter the site.

It’s working of me, about 502; https://infinityfree.net/support/502-bad-gateway/