All TLDs / .sfr

What is .sfr?

The short answer
.sfr is a brand top-level domain, operated by Societe Francaise du Radiotelephone - SFR. 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
Societe Francaise du Radiotelephone - SFR

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

Is .sfr a real domain extension?

Yes — .sfr 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 .sfr?

.sfr is operated by Societe Francaise du Radiotelephone - SFR, per the IANA root database.

What is .sfr used for?

.sfr is a dot-brand registry — it's reserved for Societe Francaise du Radiotelephone - SFR and isn't used for third-party websites.

Can anyone register a .sfr domain?

No. .sfr 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.