Custom Domains for Next.js: The Cloudflare + Vercel Setup That Works in 2026

You shipped a Next.js app to Vercel. It's live at your-project-xxx.vercel.app\ . Everything works, but the URL looks like a throwaway demo. Getting a real domain is a 30-minute task, but it's easy to make mistakes that cost you SSL certificates, SEO, or deliverability. Here's the exact flow I used to move my template business from a vercel.app URL to my own domain. Production-tested, 2026-current. The Stack Registrar : Cloudflare Registrar (at-cost pricing) DNS : Cloudflare DNS (free, fastest pr