 | |
| Introduced | 6 March 1997 |
|---|---|
| TLD type | Country code top-level domain |
| Status | Active |
| Registry | Sudan Domains Registry |
| Sponsor | Sudan Internet Society |
| Intended use | Entities connected with  Sudan |
| Actual use | Not very much used |
| Registration restrictions | Generally none, applications screened by registry; may be limited based on which second-level category they are under |
| Structure | Names are registered at second level or at third level beneath various second-level categories |
| Documents | ICANN agreement; Terms and conditions, Policies |
| Dispute policies | None |
| Registry website | www |
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.sd is the Internet country code top-level domain (ccTLD) for Sudan.