CName Information Print

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What is a CNAME?

CNAME-Records (Canonical name for an alias)
CNAME-records are domain name aliases.

Often computers on the Internet have multiple functions such as web-server, ftp-server, chat-server etc.

To mask this, CNAME-records can be used to give a single computer multiple names (aliases).
For example computer may be both a web-server and an ftp-server, so two CNAME-records are defined: = and =

Sometimes a single computer hosts many different domain names (take ISPs), and so CNAME-records may be defined such as =

The most popular use the CNAME-record type is to provide access to a web-server using both the standard and (without the www).
This is usually done by creating an A-record for the short name (without www), and a CNAME-record for the www name pointing to the short name.

CNAME-records can also be used when a computer or service needs to be renamed, to temporarily allow access through both the old and new name.

A CNAME-record should always point to an A-record to avoid circular references.


Now should point to an A Record


You can also always use @ instead of the domain name in the \"host name\" field. The @ means the same thing as

How does it work?
A CNAME (Alias) can be either a host name under this domain name (for example, mail or ftp). Note: When using a domain name, it should end with a period .. Example:


Now when someone types in they will be able to access such a page if it exists.

How long will it be before I can see my changes?
Allow 12 to 24 hours for external networks to update It is important to remember that information about your domain's web features may be retained by other networks across the Internet for a period longer then 12 to 24 hours.

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