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AIvikings Glossary

Apex Domain

An apex domain is the root of a registered domain, such as `example.com`, without a subdomain prefix.

Last updated July 24, 2026

Quick summary

Term
Apex Domain
Plain-English definition
An apex domain is the root of a registered domain, such as `example.com`, without a subdomain prefix.
Technical definition
An apex domain is the root of a registered domain, such as `example.com`, without a subdomain prefix.
Commonly confused with
Related domain, DNS, registrar, API, or agent-infrastructure terms.

Definition

An apex domain is the root of a registered domain, such as `example.com`, without a subdomain prefix.

Why it matters

The apex is often where users expect the main website to load.

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