.rio
.rio is a generic extension, run by Empresa Municipal de Informática SA - IPLANRIO since 2014. Anyone can register a .rio name through a registrar that sells it.
| Type | Generic |
|---|---|
| Registry operator | Empresa Municipal de Informática SA - IPLANRIO |
| Who can register | Anyone |
| In the root zone since | 22 May 2014 |
| DNSSEC | Signed |
| RDAP server | https://rdap.gtlds.nic.br/ |
| WHOIS server | None listed |
| IANA record | iana.org/domains/root/db/rio |
Registrars that sell .rio
| Integrated | |
| Integrated | |
| Integrated |
From the list of domain registrars. Other registrars may sell it too.
Look up a .rio domain
The .rio registry publishes registration data over RDAP. The free domain report reads it and shows a .rio domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.
New to extensions? The guide to how domain extensions work covers generic, country-code and brand extensions. For who sells extensions in general, see the list of domain registrars.
Sources: the IANA root zone database and the ICANN list of generic extensions (refreshed 2026-10-24). Something out of date? Tell us.
Frequently asked questions
Who runs the .rio extension?
Empresa Municipal de Informática SA - IPLANRIO is the registry operator for .rio. The registry keeps the list of every .rio name; registrars sell the names to the public.
Can anyone register a .rio domain?
Yes. Anyone can register a .rio name through a registrar that sells it.
When was .rio created?
.rio was added to the DNS root zone on 22 May 2014, according to IANA.
How do I look up who owns a .rio domain?
The .rio registry publishes registration data over RDAP at https://rdap.gtlds.nic.br/. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.
Is .rio signed with DNSSEC?
Yes. The .rio zone is signed, so a .rio domain can turn on DNSSEC once its registrar adds a DS record.