CoreDNS from Scratch: Corefile, Zones, systemd, and Clean Internal Names

In this video, we will be covering CoreDNS from scratch, focusing on the Corefile, Zones, and integration with systemd, to provide a comprehensive understanding of how to set up and manage a CoreDNS server. We will explore the fundamentals of DNS architecture and how CoreDNS fits into a larger DNS server setup, including common DNS troubleshooting techniques. If you're working on a Proxmox homelab or simply looking to improve your homelab server setup, this video will provide valuable insights into using CoreDNS for a clean internal names solution. By the end of this video, you will have a solid grasp of CoreDNS and how it can be used to improve your DNS fix and overall network architecture. The video is designed to be informative and easy to follow, making it perfect for those new to CoreDNS or looking to expand their knowledge of DNS servers and homelab setups. This video is sponsored by Remotly. Try Remotly for free → https://remotly.com/download?promo=KoromaTech JOIN/FOLLOW --------------------------------------------------- Discord: https://discord.com/invite/FbTeKZeUsA Instagram: https://www.instagram.com/koromatech/ TikTok: https://www.tiktok.com/@koromatech Twitter: https://x.com/koromatech Facebook: https://www.facebook.com/koromatech/ Subscribe to Newsletter: https://koromatech.com/newsletter/ SUPPORT --------------------------------------------------- Buy Me Coffee: https://buymeacoffee.com/koromatech Amazon Storefront: https://amzn.to/4qfvgLT TIMESTAMPS/CHAPTERS --------------------------------------------------- 00:00 Intro — Why DNS comes first 03:22 DNS architecture: authoritative, forwarder, recursive 05:59 Designing DNS for segmented labs 08:42 What CoreDNS is and why it fits this build 10:49 Provisioning the CoreDNS container 18:34 Installing and validating CoreDNS 27:39 Corefile & zone files (the heart of the setup) 47:48 systemd service: run it like a real server 01:02:32 Authoritative-only vs authoritative + forwarding 01:11:19 Wrap-up and what’s next RESOURCES / LINKS: --------------------------------------------------- Blog Post: https://koromatech.com/coredns-for-home-labs-simple-clean-and-scalable/ https://youtu.be/HJHOkZb1bQQ https://youtu.be/YxpCVAC_H1o https://youtu.be/orZ5LqUbTik KEYWORDS & TAGS --------------------------------------------------- #CoreDNS #DNS #HomeLab #SelfHosted #CICD #DevOpsLab #Linux #Networking #Systemd #Infrastructure #Proxmox #Automation #HomelabJourney #LabBuild #ServerAdmin