All TLDs / .silk

What is .silk?

The short answer
.silk is a brand top-level domain, operated by Amazon Registry Services, 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
Amazon Registry Services, Inc

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

Is .silk a real domain extension?

Yes — .silk 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 .silk?

.silk is operated by Amazon Registry Services, Inc., per the IANA root database.

What is .silk used for?

.silk is a dot-brand registry — it's reserved for Amazon Registry Services, Inc. and isn't used for third-party websites.

Can anyone register a .silk domain?

No. .silk 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.