.io

Active

Reads as a startup, developer tool, or SaaS product to a tech-savvy audience.

IANA record WHOIS Public Suffix ListccTLDBritish Indian Ocean Territory

Meaning & Restrictions

Meaning: Technically the ccTLD for the British Indian Ocean Territory, widely repurposed as a generic tech domain.
Restrictions: Open to anyone worldwide.
Common uses: SaaS products, Developer tools, Startups and side projects

Share of checked .io labels with no DNS, by label length.

Collecting

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TLD	Type	Project read	Region	Registry
.co	ccTLD	Startups	Colombia	Ministry of ICT, Colombia (registry ops via GoDaddy Registry)
.ai	ccTLD	AI products and startups	Anguilla	Government of Anguilla
.dev	generic	Developer portfolios	Global	Charleston Road Registry (Google)
.sh	ccTLD	Developer tools	Saint Helena	Government of St. Helena (Internet Computer Bureau)