All TLDs / .hisamitsu

What is .hisamitsu?

The short answer
.hisamitsu is a brand top-level domain, operated by Hisamitsu Pharmaceutical Co.,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
Hisamitsu Pharmaceutical Co.,Inc

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

Is .hisamitsu a real domain extension?

Yes — .hisamitsu 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 .hisamitsu?

.hisamitsu is operated by Hisamitsu Pharmaceutical Co.,Inc., per the IANA root database.

What is .hisamitsu used for?

.hisamitsu is a dot-brand registry — it's reserved for Hisamitsu Pharmaceutical Co.,Inc. and isn't used for third-party websites.

Can anyone register a .hisamitsu domain?

No. .hisamitsu 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.