WordPress Sandbox with subdomain integrate with Cloudflare free account

Hi all,

I have created a free account on wpsandbox.org and got a WordPress sandbox. I would like to integrate this account (a subdomain) with Cloudflare free. How can I achieve this? Should I register with wpsandbox.org and then add A name with subdomain? Will that work?

Regards,
Vlad Sandu

That wouldnt work. You can only add domains which are direct children of publicly recognised domains.