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Tech · .io

Register a .io domain

.io has become the unofficial home of tech: startups, SaaS products and developer tools love it for its short, brandable style.

Register .io

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Registration
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Transfer
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Renewal
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Register a .io domain

.io at a glance

Term
1–10 years
Eligibility
Open to all
DNSSEC
Yes
WHOIS privacy
Yes

.io registration rules

What you need to know before registering, transferring or renewing a .io domain.

Registration

Registration term
1–10 years
Renewal term
1–10 years
Internationalised names (IDN)
Danish, German, Hungarian, Icelandic, Korean, Latvian…
Name length
Up to 63 characters: letters, numbers and hyphens (registry minimums may apply)

Requirements

Restrictions
None — open to everyone
Extra registrant data
Not required
Local presence / trustee service
Not offered

Transfer & ownership

Transfer to Upflare
Supported
Transfer method
Auth (EPP) code from your current registrar

Renewal & expiry

Restore after expiry
Possible for up to 44 days — a late fee may apply
Registry quarantine
28 days — restore fee applies

Technical

Registry
Internet Computer Bureau Limited
Type
Country-code top-level domain (ccTLD)
In use since
1997
DNSSEC
Supported
WHOIS privacy
Available
Lookup protocol
WHOIS

Information verified on 17 Oct 2026. Sources: IANA root zone database. Registry rules can change — our support team confirms the details for your order.

Why choose a .io domain?

The go-to extension for startups and SaaS.

Short and brandable — great when .com is taken.

Recognised instantly in the tech community.

Works globally with no local requirements.

Who .io is for

Tech startups, SaaS products, APIs, developer tools and side projects.

How to register a .io domain

  1. 1Search for your name above and add the .io domain to your cart.
  2. 2Fill in your contact details — they must be accurate and up to date.
  3. 3Complete your payment securely.
  4. 4Manage DNS, connect hosting or email from your Upflare dashboard once the domain is active.
Transfer a .io domain →WHOIS lookup →

Related extensions

Explore other domains that pair well with .io.

.com.net.org.eu.biz.ca.co.uk.de
See all domain pricing →

.io domain FAQs

.io domains can be registered for 1–10 years at a time, and renewed before they expire.

Yes. .io has no special eligibility rules.

Unlock the domain at your current registrar, request its auth (EPP) code and start the transfer on our transfer page.

Yes — WHOIS privacy is allowed for .io, so your personal contact details aren't published.

Real people, real help

Looking for personal support?

Upflare’s team helps you pick the right hosting, domain or email setup — and stays with you after you launch.

Contact supportStart live chat