.ZADNA (.za Domain Name Authority) is a not-for-profit company that administrates the .za namespace.[1] The .za Domain Name Authority (.ZADNA[2] is statutory regulator and manager of .ZA. .za is the Internet country code top-level domain (ccTLD) for South Africa. .ZADNA is an agency of South African government under the Department of Telecommunications and Postal Services. ZADNA[3] is the administrator of registry of the South Africa ccTLD.