A Domain Name Server knows the connections between IP addresses and domain names. www.imma.dk is a domain name e.g. dk is level 1, imma is level 2 etc.
Other computers ask DNS's when they don't know the connection themselves. E.g. a request from a browser to www.imma.dk would result in a request to one (or more) DNS(s), returning the IP address - so the browser can continue.
Some of the level 1 domains are: dk, no, com and edu. This level corresponds to different types of organizations, like countries.
Concept last updated: 16/09 2003.
- Grundlæggende brug af Internet i virksomheden; Alf - 3.1.1 Brugervenlige internetadresser, 3.1.3 Domæner