A CNAME or vanity alias is used to provide a seamless transition for your prospects when visiting pages and forms that you host on your site and Marketing Cloud Account Engagement hosted campaign elements such as landing pages, search results and individually tracked links sent in your emails. This is true because a CNAME allows you to use your own domain name instead of the default go.Marketing Cloud Account Engagement.com domain name, which enhances your branding and trustworthiness.