All TLDs / .rio

What is .rio?

The short answer
.rio is a generic top-level domain, operated by Empresa Municipal de Informática SA - IPLANRIO. It's live in the official IANA DNS root zone and open for public registration through accredited registrars — anyone can register a .rio domain if the name is available.
Type
Generic
Registration
Open to public
In DNS root
Yes
Operator
Empresa Municipal de Informática SA - IPLANRIO

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

Is .rio a real domain extension?

Yes — .rio 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 .rio?

.rio is operated by Empresa Municipal de Informática SA - IPLANRIO, per the IANA root database.

What is .rio used for?

As an open generic extension, .rio can be registered by anyone for any kind of website — there are no topic restrictions unless the registry sets a specific policy.

Can anyone register a .rio domain?

Yes — .rio is open for public registration through accredited registrars. Whether a specific name is available depends on whether someone already owns it.

Check if you can register a .rio domain