There are various ways to redirect a domain to a different domain or subdomain and one of them is by setting up a CNAME record. If you own a domain name and you've set up a site through some on-line service which supplies you with a service subdomain, you could easily link the two by creating a CNAME record for your-domain.com that directs to subdomain.provider.com. What you're going to achieve in this way is that www.your-domain.com will be in the browser address bar while it opens the already mentioned Internet site from the servers of the third-party provider. It is important to know that if you set up a CNAME record, any other records your domain name may have will stop working, so you cannot have both a CNAME record directing to one company and working email addresses with another one. The CNAME record is always an alpha string, not a number, and sometimes more configuration may be required with the other provider.