Web, domains and email
DNS
Abbreviation for Domain Name System
In short and in plain language
The DNS is the directory of the internet.
It turns domain names into the addresses of the servers in charge.
Its records say where the website is kept. They also say which server takes in email.
Settings that help email arrive are stored there as well.
Definition
The Domain Name System is the directory of the internet that translates domain names into the addresses of the responsible servers. Its records state where the website is hosted and which server accepts email. Settings such as SPF, DKIM and DMARC for email delivery are stored there as well.