Search & register the

.io domain

that's right for you!

Starting at 36.99 USD 34.99 usd per year

Transfer in for 34.99 usd per year

Private Registration

Frequently Asked Questions for .io

.io domain names are available for 1-10 years.
The domain registration time frame for .io during general availability is Instant.
.io Domain Names must:
  • have minimum of 2 and a maximum of 63 characters;
  • begin with a letter or a number and end with a letter or a number;
  • use the English character set and may contain letters (i.e., a-z, A-Z),numbers (i.e. 0-9) and dashes (-) or a combination of these;
  • neither begin with, nor end with a dash;
  • not contain a dash in the third and fourth positions (e.g. www.ab-; and
  • not include a space (e.g. www.ab
DNSSEC is available for .io domain. Enabling DNSSEC will protect .io domain names against counterfeit DNS data by providing origin authentication and integrity protection on that data. DNSSEC can be configured in your domain name's DNS panel.
Trustee Service is not available for .io extension. Trustee Service can help satisfy most local presence requirements when there are restrictions on registering a domain name.
Your .io domain name can be hosted on any hosting platform, whether a cloud-based website builder service like's Easy Website Builder or server hosting platform like Web Hosting using Plesk.
Because Trustee Service is non-transferable, you must update your ownership according to .io requirements before a transfer out can be started.
Yes. You can activate Private Registration during the purchase of a new .io domain.
Grace periods vary for country code Top Level Domains (ccTLD) including Internationalized Domain Names (IDN). Some registries require renewal up to 60 days in advance of the domain name expiration date. It is your responsibility to pay for your Renewal Fees in advance of the due date specified by 101domain regardless of the domain name expiration date. Failure to pay your Renewal Fees prior to the due date will result in a fee of $150 to renew your .io domain. There may be a restore period between when the domain expires and when the domain can be registered again. In the event that you do not pay by the renewal date, your site may be inaccessible during this time so it is very important that you renew this extension before the renewal date.

What is a .io domain?

The .io domain extension was originally intended for businesses and individuals expanding their brand or website in the British Indian Ocean Territory islands. Today, .io domains have become highly sought after by start-ups and tech companies as the abbreviation for “input/output”, a common term when discussing computing processes.

image of a wondering man

Renew .io domain for 59.99 USD/YEAR

We have other great domains too!

See Them All