I have just set up the Cloudflare on site. And I have already changed nameservers on my domain provider. But I still see this in speed check section:
The Speed test could not run. example.com returned a status 404. Try the options below to fix the issue.
1 Review the configuration between your origin server and Cloudflare and ensure that the origin resolves requests successfully
2 Review any existing Firewall Rules applied to your website which may be blocking access to ‘Known Bots’
It looks good to me, so maybe Support can run it again.
In testing, though, I see what ‘www’ gives a 526 error for SSL. You can fix it by adding the Page Rule shown in this tutorial (no need to do the DNS part since you already have the record):