Are there any restrictions to register a .RIO domain?

No, registration is completely unrestricted. Anyone can register a .RIO domain on a first-come, first-served basis.

Does .RIO support localized characters (IDN)?

No, only standard alphanumeric English characters (a-z, 0-9) and hyphens are supported.

What is the character length limit for .RIO?

A .RIO domain name must be between 2 and 63 characters long.

Domain Extension Guide

.RIO Domain Registration & WHOIS

Analyze registry operators, character limits, IDN support status, and specific registration guidelines for .RIO domains.

Extension Metadata

Min 2 Chr

Max 63 Chr

IDN NO

Category: geographic

Operator: Municipality of Rio de Janeiro

Registration Eligibility

This extension is open to any individual or business globally without strict regulatory constraint policies.

Overview & Registration Guidelines

The .RIO domain extension is The .rio top-level domain (gTLD) is a geographic extension dedicated to the city of Rio de Janeiro, Brazil. Managed by the municipality, it is open to local organizations, businesses, and residents to establish a distinct digital identity. It requires a minimum label length of 2 characters and supports up to 63 characters. It does not support IDN characters, meaning only standard English characters are allowed. Registration is completely open and unrestricted globally to individuals and organizations.

To search for who owns a specific domain registered under this extension, you can perform a live query in our WHOIS portal above. The registry operator database will respond in real time with server details, domain status codes, registration/expiry dates, and name server arrays.

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.RIO Domain Registration & WHOIS

Extension Metadata

Registration Eligibility

Overview & Registration Guidelines

Frequently Asked Questions