| .sd | |
| Background: |
|
| Introduced: | 6 March 1997 |
| Type: | Country code top-level domain |
| Status: | Active |
| Registry: | Sudan Domains Registry |
| Sponsor: | Sudan Internet Society |
| Intendeduse: | Entities connected with |
| Actualuse: | Not very much used |
| 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 |
| Document: | ICANN agreement |
| Disputepolicy: | None |
.sd is the Internet country code top-level domain (ccTLD) for Sudan.
A new internationalized country code top-level domain string using Arabic letters, سودان, was reserved for Sudan in November 2012.