How can solve Error 521server down
Im facing this issue on my newly registered domain name. however my old domain which is in the same machine with the same ip and settings is not affected. Plus, I’m able to access the page without https. How to fix this issue? pls advice. thanks
A 520 means your web server isn’t responding to Cloudflare. You would have to check your server logs to see why.
Cache duration in Cloudflare depends on how often your content changes.