The Nameserver ns0.is.co.za have a IP Address of 196.4.160.17 which is hosted on South Africa.
The co.za Domain Homepage - contains pertinent and detailed information specific to South African domain registrations
Crazy Non-Alcoholic Drinks - The African home of Arkay Non-Alcoholic Whisky, Brandy, Vodka, Rum, Gin and various non-alcoholic liquors