DNS
Private DNS for Homelabs Without Leaking Internal Services
A private DNS guide for homelabs: use home.arpa, split-horizon DNS, VPN DNS, and DNS-01 certificates without leaking internal service inventory.
It Is Always DNS: Pi-hole, AdGuard Home, Technitium, and the SPOF Problem
A practical DNS design guide for Pi-hole, AdGuard Home, and Technitium that avoids the single-point-of-failure trap.
DHCP vs DNS: What Breaks When Each One Fails
DHCP gives devices network settings. DNS turns names into addresses. Knowing the difference fixes a huge number of home and office network problems.
Fix DNS Once: Router vs PC vs Browser, and How to Stop Settings Fighting
DNS problems get messy when the router, operating system, browser, VPN, and IPv6 all disagree. This guide shows where to change DNS once and how to prove it worked.
How Do You Make DNS Keep Working When the Internet Is Down?
Keep local DNS local. Your router, Pi-hole, AdGuard Home, Technitium, or internal resolver should answer local names without forwarding to the internet, and clients should have at least two reachable resolvers that.
Homelab DNS Guide: Local Names, Ad Blocking, and Reliability
A practical homelab DNS design for local names, ad blocking, split DNS, redundant resolvers, VPN clients, and safe internal naming.