Country flagLogo for .io Domain

What is a .io domain?

Tech companies and start-ups know the value of a good name. The .IO domain name is the Country Code domain for the British Indian Ocean Territory, but most notably recognized as the domain hack for Input-Output. Whether you are a gamer, programmer, new start-up, or just someone who appreciates revolutionary products and services, a .IO domain name is for you! Have you ever noticed how many words end with "IO"? There's portfolio, studio, audio and cheerio to name a few! Word play and hack your brand name into a shorter website address and become an early adopter of the trendy .IO domain.

A .IO domain name is short, professional and memorable giving your brand an instant affiliation with startups. The U.S. technology industry added nearly 200,000 net jobs in 2015 and now employs more than 6.7 million people.

Protecting your brand is as important as growing it. Registering your brand name in the British Indian Ocean is one of the best preventative measures you can take to secure your trademark and combat copyright infringement. Your domain name is your brand and your brand is you! Register your perfect .IO domain name before someone else does.


Why do I need a .io domain name?


Have you ever noticed how many words end with “io”? There's portfolio, studio, audio, and cheerio to name a few! .io domain names are great for wordplay, and give brands an opportunity to get their name in a shorter website address.


To the tech and software development world, “io” is a common industry term so it speaks directly to that audience. However, .io domain hasn't always been used by the tech industry. It wasn't until recently that .io domain began trending for input/output, that it really took off.

Shorter Names, Greater Availability

When it comes to domain names, the fewer characters the better. An advantage of .io doman is that it is only two characters long instead of traditional top-level domains like .com. Since not everybody is an early adopter like you, there are many great domain names still available!

What is .io? It's also the official domain of British Indian Ocean Territory

Unlike some country code domains, .io domains are unrestricted meaning no weird requirements or documents needed. There are also no premium domain names so you can get any available name for an amazing price.

country flag for British Indian Ocean Territory
.io registry logo
We uncovered more about .io in this blog post.

The Meaning Behind That IO Domain You Keep Seeing Everywhere

You have probably seen .io domain names around on billboards or associate them with new software developments on the market, but if you work in the tech industry you know...

Read More

Some examples of .io sites already seeing the benefits!

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How do I transfer a .io domain?

Transferring your .io domain name is a fast and easy process. To get started, you'll need an Authorization Code from the registrar that currently has the domain registered. Once you have that, get started by clicking "Transfer Now" below or visit our Transfers Page, enter your domain name to transfer in, provide the Authorization Code, and our system will process the transfer.

Every .io domain transfer into 101domain includes an additional year(s) renewal, so you're not losing any time, just saving money and gaining the access to the largest portfolio of extensions in the business and 101domain's powerful domain management system. If you are not provided an Authorization Code or having problems locating it, contact our Domain Specialists to help you navigate the process.

Starting @ 62.99 USD / yr

Transfer Now

FAQs 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.
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.
The registry that manages the registration of domain names with the .io Top Level Domain is NIC IO. You may visit them at

Domain Requirements for .io

Obscene, offensive use, and use contrary to statutory laws of any nation is prohibited. See FAQs for complete restrictions.

How do I renew a .io domain?

Renewing your domain name is simple! Just click "Renew Now" below or visit our Renewals Page, and enter your domain name to renew, or log into your Account Manager, select your ext domain name that you would like to renew, select the term of your renewal, and check out.

We also offer Auto-Renew—a great way to keep your domain name up-to-date without having to worry about letting them accidentally expire. Check your Account Settings to find out if you have Auto-Renew enabled.

Starting @ 65.99 USD / yr

Renew Now
Is .io domain available in other languages?

Yes, the .io domain name supports multiple language formats. You can register your domain name by entering your domain search using the appropriate language character set in the search field.

  • Arabic
  • Belarusian
  • Bulgarian
  • Chinese Simplified
  • Chinese Traditional
  • Danish
  • Finnish
  • French
  • German
  • Hungarian
  • Icelandic
  • Italian
  • Korean
  • Latvian
  • Lithuanian
  • Macedonian
  • Polish
  • Portuguese
  • Russian
  • Serbian
  • Spanish
  • Swedish
  • Ukrainian

Domain information current to