All TLDs / .alstom

What is .alstom?

The short answer
.alstom is a brand top-level domain, operated by ALSTOM. 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
ALSTOM

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

Is .alstom a real domain extension?

Yes — .alstom 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 .alstom?

.alstom is operated by ALSTOM, per the IANA root database.

What is .alstom used for?

.alstom is a dot-brand registry — it's reserved for ALSTOM and isn't used for third-party websites.

Can anyone register a .alstom domain?

No. .alstom 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.