Definition

CNAME

A CNAME specifies an alias or nickname for a canonical name record in a domain name system (DNS) database.

Every alias for a computer or server is associated with a specific CNAME in the DNS database. Consider, for example, a set of URLs (Uniform Resource Locators) that all belong to a single organization and that all direct online visitors to the same Web site. Each of these URLs is an alias for a single canonical name that is associated with an IP address in the DNS database.

In addition to facilitating the use of multiple URLs for a single Web site, CNAMEs can be convenient when a well-known organization changes its canonical name. The CNAME will then redirect people who enter an old URL to the correct Web site, even if the old URL is no longer official.

This was last updated in July 2007
Posted by: Margaret Rouse

Email Alerts

Register now to receive SearchWindowsServer.com-related news, tips and more, delivered to your inbox.
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

More News and Tutorials

Do you have something to add to this definition? Let us know.

Send your comments to techterms@whatis.com

There are Comments. Add yours.

 
TIP: Want to include a code block in your comment? Use <pre> or <code> tags around the desired text. Ex: <code>insert code</code>

REGISTER or login:

Forgot Password?
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy
Sort by: OldestNewest

Forgot Password?

No problem! Submit your e-mail address below. We'll send you an email containing your password.

Your password has been sent to: