.io

Country-code domain, run by Internet Computer Bureau Limited. IANA record →

Open to anyone Open to anyone worldwide — no residency, citizenship, or local-presence requirement; you only need to supply accurate contact details (full name, physical street address, and valid email). source → checked 2026-07-18

Registrar	First year	Renewal	Transfer	As of
Porkbuncheapest 1st yrcheapest renewal	$28.12	$51.80 1.8×	$51.80	Jul 17, 2026
NameSilo	$37.49	$69.99 1.9×	$53.49	Jul 17, 2026

Cheapest 10-year cost (1 registration + 9 renewals) works out to $494.32 at today's prices. That is the number the first-year sticker hides.