To enable Registrar-Lock on all your existing domain names, log in and click "Management Tools" for the relevant domain. Click Nameservers and at the bottom of the page select "Registrar-Lock" and click "next". Select "All Domains" and click "Save Changes".
To enable Registrar-Lock on all your existing domain names, log in and click "Management Tools" for the relevant domain. Click Nameservers and at the bottom of the page select "Registrar-Lock" and click "next". Select "All Domains" and click "Save Changes".