DNS

A DNS or Domain Name System basically translates a domain name to a Internet Protocol Address?'>IP address. This way humans can type in an easy to remember domain name while several large servers on the internet translate this to an Internet Protocol Address?'>IP address pointing to the host of the website. Because there are several DNS servers around the globe and the don’t update every second it can take up to 48 hours for a new domain name to be pointed to the correct host.
Pointing a domain name to a host usually goes via a name server which also can be a domain name or a direct Internet Protocol Address?'>IP address.