All TLDs / .msd

What is .msd?

The short answer
.msd is a brand top-level domain, operated by MSD Registry Holdings, 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
MSD Registry Holdings, Inc

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

Is .msd a real domain extension?

Yes — .msd 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 .msd?

.msd is operated by MSD Registry Holdings, Inc., per the IANA root database.

What is .msd used for?

.msd is a dot-brand registry — it's reserved for MSD Registry Holdings, Inc. and isn't used for third-party websites.

Can anyone register a .msd domain?

No. .msd 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.