.io
| Introduced | 16 September 1997 |
|---|---|
| TLD type | Country code top-level domain |
| Status | Active |
| Registry | Internet Computer Bureau Ltd |
| Intended use | Entities connected with the British Indian Ocean Territory |
| Actual use | Popular with startup companies, browser games |
| Registration restrictions | None for 2nd level registrations; 3rd level registrant must be resident of British Indian Ocean Territory |
| Structure | Registrations are taken directly at the second level or at third level beneath various 2nd-level labels |
| Documents | Terms & Conditions; Rules |
| Dispute policies | Dispute Resolution Policy |
| DNSSEC | yes |
| Registry website | nic |
The Internet country code top-level domain (ccTLD) .io is nominally assigned to the British Indian Ocean Territory. The domain is managed by Internet Computer Bureau Ltd, a domain name registry, with registrar services provided by Name.com.