All TLDs / .capitalone

What is .capitalone?

The short answer
.capitalone is a brand top-level domain, operated by Capital One Financial Corporation. It's a “dot-brand” registry (ICANN Spec 13) — reserved for the operator's own use, so it isn't open for the public to register. It's live in the official IANA DNS root zone.
Type
Brand (dot-brand)
Registration
Closed (brand)
In DNS root
Yes
Operator
Capital One Financial Corporation

Source: IANA root zone database, checked October 18, 2026.

Is .capitalone a real domain extension?

Yes — .capitalone is a real top-level domain. It's present in the official IANA DNS root zone, which is the authoritative list of every live TLD on the internet.

Who runs .capitalone?

.capitalone is operated by Capital One Financial Corporation, per the IANA root database.

What is .capitalone used for?

.capitalone is a dot-brand registry — it's reserved for Capital One Financial Corporation and isn't used for third-party websites.

Can anyone register a .capitalone domain?

No. .capitalone is a closed brand registry, so it isn't available for public registration. A registrar search will confirm the current policy for any specific name.