If you'd like to point a domain address that you have to a different domain or subdomain, one way to do this would be to use a CNAME record. By creating such a record, the domain name being forwarded loses all of its records (A, MX, and so forth) and instead, it takes the A record of the domain name it's directed to. In this way, if you are using a web design service by some company that gives you a subdomain, you can use an actual domain and not only will it be forwarded to the website which you have created, but it'll also appear in the web browser address bar at all times. Some other possible uses of a CNAME record are to direct all the visitors from various subdomains to their main domain, or to use the webmail service of your hosting company by using webmail.your-doman.com, for example. The latter will work only by creating a CNAME record for a subdomain because this type of a record set up for the main domain name makes it impossible to use email addresses.