Actually we can, but that's a professional DNS service that includes other stuff besides DNS. But when we used CNAME for the root, some email services stopped w

Actually we can, but that's a professional DNS service that includes other stuff besides DNS. But when we used CNAME for the root, some email services stopped working. They were trying to send the email to the CNAME resolved address which was the ELB itself. Did you find a solution for that?