A digital certificate enabling HTTPS encryption that protects data transmitted between browsers and servers. SSL certificates are now essential for security, user trust, and SEO rankings. Framer provides free SSL certificates automatically for all hosted sites. See Do I need to set up SSL for a custom domain?.

Domain Name System—the internet’s phone book that translates human-readable domain names into numerical IP addresses computers use. DNS propagation can take 24-48 hours when pointing a domain to new hosting, though it often completes much faster. Proper DNS configuration is essential for connecting custom domains to your Framer site.

A registrar is the company that manages domain registration, renewals, and DNS control for your domain name. Choose a reliable registrar with clear pricing, DNS tooling, and strong support. Common options include Namecheap, Cloudflare Registrar, and Squarespace Domains. See Is Framer a domain registrar?.

A prefix before the main domain name creating separate sections, like blog.example.com or shop.example.com. Subdomains can isolate different applications while maintaining brand association. Consider whether subdomains or subdirectories better serve your SEO strategy.

Top-Level Domain—the suffix at the end of domain names like .com, .org, .io, or country codes like .uk. Different TLDs carry different connotations and trust levels. Choose TLDs appropriate for your audience and purpose.

A server setup that forwards incoming requests to another origin while keeping your public domain unchanged. Reverse proxies are used for migrations, custom routing, security policies, and integrating Framer with existing infrastructure. See How to self host using a reverse proxy.

A DNS record that maps a hostname to an IPv6 address. It is the IPv6 equivalent of an A record and is used when your domain should resolve directly to an IPv6 endpoint.

A Production Domain is the primary public hostname connected to a live site deployment for real user traffic.

Framer custom domains let teams publish production websites on their own domain, keeping collaboration, hosting, and launch workflows in one place.