The .io domain extension represents the British Indian Ocean Territory, but it’s widely used around the world—especially by tech startups, developers, and online businesses—thanks to its modern, sleek appeal.
Who Can Register a .IO Domain?
Anyone can register a .io domain. There are no residency or business presence requirements, making it accessible globally.
Registration Requirements
To ensure a valid registration, please follow these rules:
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Length: 3 to 63 characters (excluding the domain extension)
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Allowed Characters:
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Letters (a–z)
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Numbers (0–9)
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Hyphens ( – )
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Hyphen Restrictions: Cannot be used at the beginning or end of the domain name.
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Special Characters (like
&
,#
, etc.): Not allowed -
Internationalized Domain Names (IDNs): Supported
Registration Period
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Domains can be registered for 1 to 10 years at a time.