Zero-Config DNS and Monitoring for Your Traefik Homelab

Every Traefik service you expose already has a Host() rule that declares its public hostname. That information exists exactly once — in a Docker label — and propagates nowhere useful. So you end up maintaining three or four systems by hand: Cloudflare for public DNS, NetBird for internal VPN-only hostnames, Uptime Kuma for monitoring — with groups, tags, and status pages configured per service. Add a container and you need to update everything manually. Remove it 4 months later and those records