Introduced6 March 1997
TLD typeCountry code top-level domain
RegistrySudan Domains Registry
SponsorSudan Internet Society
Intended useEntities connected with  Sudan
Actual useNot very much used
Registration restrictionsGenerally none, applications screened by registry; may be limited based on which second-level category they are under
StructureNames are registered at second level or at third level beneath various second-level categories
DocumentsICANN agreement; Terms and conditions
Dispute policiesNone
Registry website[1]

.sd is the Internet country code top-level domain (ccTLD) for Sudan.

2nd level domains

Second top domain

A new top domain string using Arabic letters was reserved for Sudan in November, 2012; the top domain is سودان.