How do I create the www subdomain and set the CNAME in 1&1?

You’ll create a www subdomain, then point it using a CNAME.

1. In your domain’s DNS area, click New > Create Subdomain.
2. Enter www and click OK.
3. Select the checkbox next to the new www subdomain.
4. From the DNS menu, choose Edit DNS Settings.
5. Select CNAME.
6. In Alias, enter global.loadweb.com and click OK.

www CNAME → global.loadweb.com