. cf is the country code top -level domain ( ccTLD) of the Central African Republic. It was introduced on 24 April 1996 and is supported by local businesses Societe Centrafricaine de Telecommunications (short Socatel ) managed with its headquarters in Bangui. After. Cf many years was not used, the active use began on 1 May 2013, the so-called sunrise period for trademark holders. Any natural or legal person is entitled to register a cf- domain, being obliged to produce without a seat in the country.; Addresses must be between four and 63 characters in length.