How to start a fresh re-set up of my site

I had some problem with cloudflare as my host chamge ip address of my site. So, i removed my site from cloudflare and tried to reinstall my site as a fresh. But it is bringing back the old setting and statistics. Is there anyway to remove all the previous things, and start a fresh??
My domain name is

You’d have to set up a new Cloudflare account to get new settings for a pre-existing domain.

You can delete Page Rules and Firewall Rules. Most settings in your dashboard are safe, but look through them and learn what they do so you can pick the best ones.

When i am deleting a domain, does not they delete the rules??