.ck
| Introduced | 8 August 1995 |
|---|---|
| TLD type | Country code top-level domain |
| Status | Active |
| Registry | Oyster Internet Services |
| Sponsor | Telecom Cook Islands |
| Intended use | Entities connected with the Cook Islands |
| Actual use | Gets some use on Cook Islands |
| Registration restrictions | Companies must use name based on their legal name |
| Structure | Registrations are made at the third level beneath second-level categories |
| Documents | Domain Admin Policy |
| Dispute policies | UDRP |
.ck is the Internet country code top-level domain (ccTLD) for the Cook Islands.