About .io Domains
Nic.io (operated by Donuts) is the sponsor and Identity Digital is GoDaddy's backend provider for the country-code top-level domain name (ccTLD) .io extensions that represents British Indian Ocean Territory.
Who can register .io domains?
Anyone can register .io domain names.
Registration restrictions
When registering a .io domain, you must follow specific requirements.
- Must use: 3 - 63 characters
 - Can use: Letters (a-z characters), numbers (0-9) and hyphens (except in the 1st or last characters of the domain name)
 - Cannot use: Special Characters (e.g., & and #)
 - IDNs: Supported
 
Features
- Registration length: 1-10 years
 - Renewal length: 1-10 years
 - If you have auto-renew enabled, we’ll attempt to charge the associated payment method and renew your .io domain on its expiration date.
 - If auto-renew fails or isn't enabled at all, we’ll park your .io domain. A parked domain will display a temporary web page when the domain name is entered in a web browser.
 - If the domain isn't manually renewed within 40 days following expiration, we cancel it and remove it from your account.
 - Backorders: Not supported
 - Transfers to GoDaddy: Supported
 - Transfers away from GoDaddy: Supported
 - Transfer Lock: Supported
 - Transfers to another GoDaddy account: Supported
 - Domain Privacy: Supported
 - Domain Protection: Supported
 - CashParking: Supported
 - Contact Updates: Supported
 
Nameserver requirements
- Must use: 1-13 Nameservers
 - Can use: IPv4, IPv6, DNSSEC
 
Refunds
For details on refunds, review our refund policy
More info
- Want to register a .io domain? Search for your domain today.
 - Check out our most common domain articles to get started with your .io domain.