All TLDs / .sew

What is .sew?

The short answer
.sew is a brand top-level domain, operated by SEW-EURODRIVE GmbH & Co KG. 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
SEW-EURODRIVE GmbH & Co KG

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

Is .sew a real domain extension?

Yes — .sew 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 .sew?

.sew is operated by SEW-EURODRIVE GmbH & Co KG, per the IANA root database.

What is .sew used for?

.sew is a dot-brand registry — it's reserved for SEW-EURODRIVE GmbH & Co KG and isn't used for third-party websites.

Can anyone register a .sew domain?

No. .sew 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.