What does DNS (Domain Name System) mean?
DNS stands for Domain Name System and maps domain names to various DNS records. These include, for example, the IP addresses of web servers and the mail servers responsible for a domain.
AN EXAMPLE IN PRACTICE
Where you might encounter it
You visit netzturm.com. A DNS record points to the web server's IP address. Other DNS records can identify the mail servers responsible for handling email.
Further sources
From NetzTurm Decode. Clear explanations with historical context.