Error 520 Ray ID: 508b5133f8c6dc37 • 2019-08-19 10:06:54 UTC

Here is the full Community Tip on 502 errors:

It’s extremely rare to get the 502 error page with a Ray ID without anything showing up at your host. In such a situation, the 502 does come from your hosting, which is why Cloudflare showed the error. Sometimes it’s a firewall doing this.

But if you want to contact Support:
Login to Cloudflare and then contact Cloudflare Support by clicking on the Get More Help button.