All TLDs / .delta

What is .delta?

The short answer
.delta is a brand top-level domain, operated by Delta Air Lines, Inc. 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
Delta Air Lines, Inc

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

Is .delta a real domain extension?

Yes — .delta 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 .delta?

.delta is operated by Delta Air Lines, Inc., per the IANA root database.

What is .delta used for?

.delta is a dot-brand registry — it's reserved for Delta Air Lines, Inc. and isn't used for third-party websites.

Can anyone register a .delta domain?

No. .delta 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.