1. Log in to your 1&1 account at https://www.1and1.com/login.1
  2. Once logged into the 1&1 Control Panel, click “Domain Centre” in the Domains column on the left.2
  3. Click on the subdomain name underneath the domain you want to set up..3
  4. Under DNS Settings click Edit.4
  5. Under Advanced DNS Settings select CNAME option and fill in the “Alias” field with the following information:Alias: apps1.webcrumbz.net


  6. Agree with the changes and press “Save”, and then press “Yes” to confirm.6
  7. This change can take up to 48 hours to propagate, but will usually propagate sooner. Check back to see your mobile web application.