Domain ownership verification is a fundamental security mechanism that proves you control a specific domain. Whether you’re setting up email authentication, SSL certificates, or integrating third-party services, understanding domain verification methods is essential for modern web development.
In this article, we’ll explore the three most common verification methods, their trade-offs, and practical implementation patterns. I recently built domain verification for allscreenshots.com, a screenshot API I work on, to enable automatic OG image generation — and I’ll share what I learned along the way.