I can not add mobi-dengi.com domain to my account

Hello, I can’t add the domain: mobi-dengi.com, which I recently bought, when adding the domain to the cloudflare website, writes: (This zone is banned and cannot be added to Cloudflare at this time, please contact Cloudflare Support.) What should I do? Where should i write? please help solve the problem.
How to write in support? There is only this blog, I did not find support contacts, how to solve the problem? Only this error throws This zone is banned and cannot be added to Cloudflare at this time, please contact Cloudflare Support.

Try this:
Login to Cloudflare and then contact Cloudflare Support by clicking on the Get More Help button.