Hi,
I made a few requests to your root domain, and at least one of them returned this header:
cf-railgun: abe011cbad 0000 57da error
Though I couldn’t find this specific error in it, the documentation for Railgun mentions the possibility of 523 and 524 errors, and give some guidance as to how to troubleshoot and possibly report the issue to support.
Railgun is available on Business Plan or higher, or via partner setup. If you are on a partner setup, please contact your provider for support. If you have Business or Enterprise Plan, you can reach Cloudflare Support via chat or email.