Best Domain RegistrarsBEST DOMAIN REGISTRARS

Preview data. Pricing is verified from the registrar's own source for 6 of 20 registrars (fetched live where the registrar publishes one); the remaining registrars' prices, plus all scoring and country recommendations, are illustrative placeholders pending verified testing. See data sources for a row-by-row breakdown, the methodology, or fetch /data/verification-status.json for a machine-readable view.

Best .io Domain Registrars (2026)

Popular with technology startups; technically the ccTLD for the British Indian Ocean Territory.

Last updated 2026-08-19Prices checked monthly1 of 9 scored reviews with published testing notes6 registrars with primary-source pricingTransparent methodology
Short answer

Spaceship has the lowest verified renewal price for .io at $51.75. Hover, Cloudflare Registrar, Squarespace Domains price .io flat — the first year costs the same as every renewal, so there is no promotional rate that jumps later.

How .io is priced

1 of the 6 registrars whose .io pricing we have verified prices it flat — first year the same as every renewal — while the other 5 discount year one (median renewal 1.9× the promotional price). Verified renewals run $51.75 to $75.98 a year.

A flat seller and a discounted one can look identical in year one and differ sharply by year three, so compare the renewal or the multi-year total.

Computed from the 6 verified .io prices this site holds — not from every registrar selling .io. How prices are verified.

Which registrar is best for .io?

CategoryPickWhy
Best overallAt-cost renewal pricing, exceptional DNS, and strong security make Cloudflare Registrar the best long-term value for technical users.
Cheapest renewal$51.75 per year, sourced from www.spaceship.com.
Best for privacyFree, included; redacted by default
Best for DNSIndustry-leading anycast DNS with deep developer tooling
Best for bulk buyersBulk tools available; TLD coverage scores 9.5/10.

Which registrar has the cheapest first-year price for .io?

RegistrarFirst-yearRenewal3-year costLast checked
Porkbun logoPorkbun
$28.12$51.80$131.722026-08-19
Dynadot logoDynadot
$28.89$53.50$135.892026-08-19
Spaceship logoSpaceship
$31.98$51.75$135.482026-08-19
NameSilo
$33.99$69.99$173.972026-08-19
Namecheap logoNamecheap
$34.98$75.98$186.942026-08-19
Hover
$74.99$74.99$224.972026-08-19
Cloudflare Registrar logoCloudflare Registrar
$36.30$36.30$108.902026-05-12
GoDaddy logoGoDaddy
$49.99$69.99$189.972026-05-12
Squarespace Domains logoSquarespace Domains
$55.00$55.00$165.002026-05-12

Verified prices rank first. A cheaper unverified price can sit below — we only crown a price once we've checked it on the registrar's own page.

Verified from the registrar's official pricing pageSample / preview pricingData sources

Which registrar has the cheapest renewal price for .io?

RegistrarFirst-yearRenewal3-year costLast checked
Spaceship logoSpaceship
$31.98$51.75$135.482026-08-19
Porkbun logoPorkbun
$28.12$51.80$131.722026-08-19
Dynadot logoDynadot
$28.89$53.50$135.892026-08-19
NameSilo
$33.99$69.99$173.972026-08-19
Hover
$74.99$74.99$224.972026-08-19
Namecheap logoNamecheap
$34.98$75.98$186.942026-08-19
Cloudflare Registrar logoCloudflare Registrar
$36.30$36.30$108.902026-05-12
Squarespace Domains logoSquarespace Domains
$55.00$55.00$165.002026-05-12
GoDaddy logoGoDaddy
$49.99$69.99$189.972026-05-12

Verified prices rank first. A cheaper unverified price can sit below — we only crown a price once we've checked it on the registrar's own page.

Verified from the registrar's official pricing pageSample / preview pricingData sources

What are the .io registration rules?

Registry operator: Internet Computer Bureau Ltd. (operated by Identity Digital) (nic.io)
Every extension Internet Computer Bureau Limited runs, and what they cost →
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?+
Spaceship offers the lowest .io renewal price at $51.75 as of 2026-08-19.
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've verified range from $51.75 to $75.98 per year. The cheapest is Spaceship.