Lost dashboard cloudflare

I created and dashboard and account long time ago. Now when I sign in the dashboard, settings and site has been disappear. Does anybody know how am I able to get the dashboard again.
Thanks

That might not be the correct account for your domains. You can certainly set up your domain again in this new account and adjust the settings as necessary.

I am 100% that is my account but How can I find if what is my email and domain that I am using in my account. I have the dns