Best .io Domain Registrars (2026)
Popular with technology startups; technically the ccTLD for the British Indian Ocean Territory.
Last updated 2026-06-21Prices checked monthlyHands-on testedScored, not surveyedTransparent methodology
Short answer
Cloudflare Registrar has the lowest renewal price for .io at $36.30. Squarespace Domains also offers at-cost renewals on .io (first-year and renewal prices match).
Which registrar is best for .io?
| Category | Pick | Why |
|---|---|---|
| Best overall | At-cost renewal pricing, exceptional DNS, and strong security make Cloudflare Registrar the best long-term value for technical users. | |
| Cheapest renewal | $36.30 per year, sourced from www.cloudflare.com. | |
| Best for privacy | Free, included; redacted by default | |
| Best for DNS | Industry-leading anycast DNS with deep developer tooling | |
| Best for bulk buyers | Bulk tools available; TLD coverage scores 9.5/10. |
Which registrar has the cheapest first-year price for .io?
| Registrar | First-year | Renewal | 3-year cost | Last checked |
|---|---|---|---|---|
 Porkbun | $28.12 | $51.80 | $131.72 | 2026-06-22 |
 Dynadot | $28.89 | $53.50 | $135.89 | 2026-06-22 |
 Spaceship | $29.98 | $39.98 | $109.94 | 2026-05-12 |
 Namecheap | $32.88 | $49.88 | $132.64 | 2026-05-12 |
 Cloudflare Registrar | $36.30 | $36.30 | $108.90 | 2026-05-12 |
 GoDaddy | $49.99 | $69.99 | $189.97 | 2026-05-12 |
 Squarespace Domains | $55.00 | $55.00 | $165.00 | 2026-05-12 |
Which registrar has the cheapest renewal price for .io?
| Registrar | First-year | Renewal | 3-year cost | Last checked |
|---|---|---|---|---|
| Cloudflare Registrar | $36.30 | $36.30 | $108.90 | 2026-05-12 |
| Spaceship | $29.98 | $39.98 | $109.94 | 2026-05-12 |
| Namecheap | $32.88 | $49.88 | $132.64 | 2026-05-12 |
| Porkbun | $28.12 | $51.80 | $131.72 | 2026-06-22 |
| Dynadot | $28.89 | $53.50 | $135.89 | 2026-06-22 |
| Squarespace Domains | $55.00 | $55.00 | $165.00 | 2026-05-12 |
| GoDaddy | $49.99 | $69.99 | $189.97 | 2026-05-12 |
What are the .io registration rules?
Registry operator: Internet Computer Bureau Ltd. (operated by Identity Digital) (nic.io)
IANA root entry: www.iana.org/domains/root/db/io.html
Registration restrictions: No nexus requirement; effectively open like a gTLD.
DNSSEC: Supported
IDN: Not supported
Renewal pricing is higher than .com because there is no ICANN price cap on ccTLDs. Treated as a startup-friendly TLD despite its formal ccTLD status.
FAQ
What is the cheapest registrar for .io?+
Cloudflare Registrar offers the lowest .io renewal price at $36.30 as of 2026-05-12.
What is the cheapest first-year price for .io?+
Porkbun has the lowest first-year .io price at $28.12. Watch the renewal price — that's the dominant long-term cost.
Is WHOIS privacy free for .io?+
Cloudflare Registrar includes free WHOIS privacy on .io. Most reputable registrars now include privacy at no charge — see the pricing table for the privacy cost at each registrar.
Which registrar has the best DNS for .io?+
Cloudflare Registrar ranks highest for DNS quality (10.0/10) — Industry-leading anycast DNS with deep developer tooling.
Are there restrictions on .io?+
No nexus requirement; effectively open like a gTLD.
How much does a .io domain cost per year?+
.io renewals at the registrars we track range from $36.30 to $69.99 per year. The cheapest is Cloudflare Registrar.