I am trying to setup the custom domain with zoho mail and having an issue  This domain is already associated with this account "*****74"

I was tried to register a couple of times ago using phone no 895 325 *** 174 for javaroma.com by clicking the referral email link and I didn't get any sms to continue to the next step.

Today, I tried to signin with the above phone no and having a problem with the password.

I also tried to signup again using phone no 813 186 *** 02 with email apps********* javaroma@gmail.com, directed to fill my domain name by choosing "Sign up with a domain I already own", and I got a message This domain is already associated with this account "*****74"

I prefer to use phone no 895 325 *** 174 and apps********* javaroma@gmail.com for the registration process. Please, help me how to setup the custom domain with zoho mail refer to the issue informed. 

Thank you.

Best regards,

/ivn