Network - Domain Name System (DNS)
Table of Contents
1 - About
An often-used analogy to explain the Domain Name System is that it serves as the phone book for the Internet by translating human-friendly computer hostnames into IP addresses.
For example, the domain name www.example.com translates to the addresses 22.214.171.124 (IPv4) and 2620:0:2d0:200::10 (IPv6).
2 - Articles Related
3 - Server and provider
CloudFlare have DNS servers nearer to almost everyone around the world.
4 - Management
4.1 - Local
See Network - Host
4.2 - Subnet bind
5 - Support
With A DNS problem, don't forget to flush your DNS cache.
5.1 - flush your local linux DNS
To clear your local DNS cache, you have to type
This is important when you try to troubleshoot a network problem because if a name is already cached it won't try and resolve the name again.