CloudFlare actually hosts the DNS of the domains using them, except for people who pay for the premium accounts. Then they rely on CNAMEs. You hit what I was s

CloudFlare actually hosts the DNS of the domains using them, except for people who pay for the premium accounts. Then they rely on CNAMEs. You hit what I was saying spot on. It's not just a matter of CDNs either, there are a lot of services where using CNAMEs become important.