.io top-level domain: Not only popular with tech startups
Why register a .io domain?
What does the .io domain ending stand for?
Which features does my .io domain benefit from with 1&1 IONOS
Success on the web with your .io domain
|.io domain features||Available|
|Minimum and maximum length||3-63 characters|
|Duration of registration||Usually a few hours|
|E-mail account with 2 GB mailbox space|
|Unlimited subdomains to structure your website|
|1 SSL certificate per domain registry|
|Advanced DNS management|
|Whois privacy included|
|24/7 customer support|
|Fast, simple domain setup|
|Secure your domain from hijacking risks with domain lock|
|Special offers for 1&1 customers|
|Transfer to 1&1|
As soon as you have checked if your .io domain is available, you can also check if there are other domains available that you are interested in. You will automatically receive suggestions for additional domain names or top-level domains that may not have crossed your mind yet, but which may also be of interest to you. If this is the case, you can also place the corresponding domains in your shopping cart, and complete the purchase.
We'd be happy to help you choose the right product or provide support for existing customers.