DNS | Homelab Basics
Special thanks to /u/releenc for reaching out to me and writing this edition of Homelab Basics. This edition is a bit longer than my other ones, but is very informative because he is a "DNS Professional" and explains the concepts very thoroughly. Homelab Basics - DNS By Robert Lee, /u/releenc on Reddit DNS (the Domain Name System) is one of the most important and fundamental network services used by everyone on the Internet. Unfortunately it is also one of the most widely misunderstood and misconfigured. The meme used among IT people troubleshooting problems that “It’s always DNS” is so pervasive because it’s true. In my 30 years of experience, if you cannot connect to something and there is not a network hardware error, it’s (almost) always DNS. The function of DNS is relatively simple. When a network device, like a PC, a smartphone, or anything else needs to contact another network device, it must do so using the IP address of that device. We as humans prefer to