I am the owner of this domain http://construequipos.com.co/

I am the owner of this domain http://construequipos.com.co/

Hello could you help me. zoho is fabulous, thanks first of all.  
My case is> I am the owner of this domain  http://construequipos.com.co/  and this domain has an account already in zoho.
I cant create an account in zoho with that domain but I can prove that I am the owner.

Please, I hope answer thanks