All TLDs / .aetna

What is .aetna?

The short answer
.aetna is a brand top-level domain, operated by Aetna Life Insurance Company. 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
Aetna Life Insurance Company

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

Is .aetna a real domain extension?

Yes — .aetna 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 .aetna?

.aetna is operated by Aetna Life Insurance Company, per the IANA root database.

What is .aetna used for?

.aetna is a dot-brand registry — it's reserved for Aetna Life Insurance Company and isn't used for third-party websites.

Can anyone register a .aetna domain?

No. .aetna 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.