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Enter a CNAME Record for Your Domain

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The following steps will teach you how to enter a CNAME Record for your domain or subdomain.

CNAMEs can only be set for domains that are registered with 1&1. It is recommended that you read the Explanation of CNAMEs first.

If using a CNAME, all DNS settings configured through the 1&1 Control Panel will be discarded. A CNAME can be thought of as a kind of pointer for DNS. Instead of specifying DNS settings for a domain in the Control Panel, using a CNAME indicates that the DNS settings for the domain should be exactly the same as the DNS settings for the CNAME address.

Step 1
Log in to the 1&1 Control Panel using your Customer ID OR domain name and your password.

If you have only one package, you will land on the Administration page. If you have more than one package, select the package in question to reach its Administration page.

Package overview
Package overview

Step 2
Click Manage Domains from the Domains panel.
Domains > Manage domains
Domains > Manage domains

Step 3
Locate the domain that contains the subdomain you want to modify and then click Manage Subdomains. Domain Center home page
Domain Center home page
Step 4
Check the box next to the subdomain to select it. Then click Edit DNS Settings from the Subdomain Settings drop-down menu. Subdomain Overview
Subdomain Overview
Step 5
  • Select the CNAME option. (A)
  • Enter the CNAME address in the Alias text box (The CNAME cannot exceed 250 characters). (B)
  • Check the box to acknowledge that you are aware all current DNS settings will be disabled by using a CNAME instead. (C)
  • Click the Save button to continue.
IP Addresses section
IP Addresses section
Please note:
All DNS changes (such as a CNAME) may take 1 hour until the changes are recognized by all servers/computers on the Internet.