The simplicity of usage and expansion was the goal, but cybersecurity services and malware were almost unaware, so there is no DNS security choice. DNS is very effective and works in the background of search activity. Internet users are assured that when they type into a URL or e-mail address, they will link to the right website or e-mail box. Many commercial companies have developed in the market, most of these companies have adopted the a.com or .net extension, the federal government adopted a.gov or .mil extension
DNS functionality has developed a powerful strategy for world branding opened on the Internet. Common names have become common brands and brand markets (such as Google, Bing, Amazon and e-bay) on the Internet.