.za history of usage: "ZAR" serves as the ISO 4217 currency code for the South African rand. The international vehicle code for South Africa has been "ZA" since 1936. Additionally, South African aircraft registration prefixes also start with "Z". .ZA has a Second Level Domain (SLD) Structure. ZADNA removed a number of domains from the .za zone on the 7 August 2009 Currently around 29.39% of the .za internet is served via secured HTTPS protocol, with the Let's Encrypt Authority X3 being the most popular SSL certificate. Apache is the most popular web server, serving 66.56% of the .za domains, followed
Za (guilds) over 130 years. However, the "za" continued to operate, and perhaps became even more powerful as the ability to safely travel and transport goods across the nation became increasingly scarce. Towards the end of the 16th century, one hundred years into the Sengoku period, Oda Nobunaga briefly took command of the country, and established "free" markets and guilds, known respectively as "rakuichi" (楽市) and "rakuza" (楽座). These dealt a severe blow to the power and influence of the older, monopolistic "za", but did not replace them. Several other types of trade associations came into being around this time as well;