This domain is not supported or already registered with zoho

This domain is not supported or already registered with zoho

I  was trying to setup the following domain  tamarozzi.com  in the process it asked me for OTP verification, but I waited for 30 minutes and I didn't receive any OTP in my mobile. During the process I initially gave   samuel@tamarozzi.com     as email for admin account.

Now when I am trying to initiate the process again it says that "this domain is not supported or already registered with zoho" and if I am trying to login with the administrator email account it says that it is not registered, please help me.