Are there any restrictions to register a .IO domain?

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

Does .IO 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 .IO?

A .IO domain name must be between 1 and 63 characters long.

WHOIS Domain Lookup

WHOIS Records

Query domain registrars and registry databases to find ownership, name servers, registration dates, and status.

Turkey National Cyber Security Status (USOM)

SAFE: No active restrictions found in USOM registry

Clean / Allowed

For WHOIS details, please check the parent domain: cnode.io

WHOIS Domain Summary

Extension Metadata

.IO

Min 1 Chr

Max 63 Chr

IDN NO

Description

The .IO domain extension is .io is the ccTLD of British Indian Ocean Territory, managed by Identity Digital (formerly Afilias). It has become a globally popular de-facto gTLD in the tech and startup ecosystem due to its I/O (input/output) connotation. No local presence requirement. Minimum label: 1, Maximum: 63. IDN not supported. It requires a minimum label length of 1 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.

Frequently Asked Questions

Detailed .IO Extension Guide & Requirements

Raw WHOIS

# Connecting to registry server... # Fetching WHOIS data for v150-95-173-252.a0d3.g.tyo1.static.cnode.io...

Analyzing...

WHOIS Records

Turkey National Cyber Security Status (USOM)

WHOIS Domain Summary