Set up a CNAME on your 1and1 Web Hosting provider

Properly setting up CNAMES for your hosting provider helps ensure that any changes required for your custom domain can be carried out with maximum efficiency and minimum disruption. Setting up a CNAME for your 1and1 Web provider is a fairly simple process, let's see how it's done:

  1. Log in to your 1and1 account.
  2. Click on the gear symbol next to your desired domain and select Manage Subdomains.
  3. Click on the gear symbol next to your desired subdomain and select DNS.
  4. Click on the ADD RECORD and select CNAME.
  5. Enter your subdomain in the Hostname field. For example, www if your domain is, or newsletter if it is
  6. Under Point toenter the URL of your login page in our platform.
    If your site address is then your login page in our platform is You have to add a CNAME record to your DNS for your domain, a subdomain similar to the example. Whatever your CNAME record is, it will need to point to
  7. Click Save to complete the process.

Tip: It takes 30 minutes or more to apply any changes you have made.

Important: To secure your added CNAME, you can export your personal information exchange (PFX) file in Windows format and send it to We will then add the certificate to your CNAME on your behalf, ensuring that it uses a secure HTTPS connection. To ensure the ongoing security of your CNAME, you will need to send us a new PFX file in Windows format if your current one expires.