All TLDs / .nissay

What is .nissay?

The short answer
.nissay is a brand top-level domain, operated by Nippon Life Insurance Company. 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
Nippon Life Insurance Company

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

Is .nissay a real domain extension?

Yes — .nissay 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 .nissay?

.nissay is operated by Nippon Life Insurance Company, per the IANA root database.

What is .nissay used for?

.nissay is a dot-brand registry — it's reserved for Nippon Life Insurance Company and isn't used for third-party websites.

Can anyone register a .nissay domain?

No. .nissay 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.