Essential Elements of DNS
Domain Name Registration
Every domain name must be registered with a domain name registrar — a company that keeps track of who owns which domains.
Web servers store your website’s information, such as the text, images and video that make up your website.
Website hosting companies provide you with online access to the web servers you need, saving you the money and hassle of purchasing and managing servers yourself.
Name servers are the servers that run DNS software. Your website’s DNS information is stored on those name servers, which are hosted and managed by your DNS hosting company.