Quick summary
- Term
- Root Domain
- Plain-English definition
- A root domain is the main registered domain without a subdomain, such as `example.com`.
- Technical definition
- A root domain is the main registered domain without a subdomain, such as `example.com`.
- Commonly confused with
- Related domain, DNS, registrar, API, or agent-infrastructure terms.
- Related terms
- Apex Domain, Subdomain, Domain
Definition
A root domain is the main registered domain without a subdomain, such as `example.com`.
Why it matters
Root domains are often used for the primary website and brand identity.