📝 Whose.Domains Blog

DNS CNAME Flattening Explained: How to Use Apex Domains with CDNs and Cloud Services

CNAME flattening lets you point your root domain (like example.com) to CDNs and cloud services by resolving CNAME records at the DNS provider level and returning standard A/AAAA records. This article explains how it works, why it matters, and how to avoid common pitfalls like email conflicts and SSL misconfigurations.