I’m running opnsense on proxmox with some lxc containers and docker hosts.
I’ve never done internal DNS routing, just a simple DMZ with Cloudflare proxies and static entries for some external services. I want to simplify things and stop using my IPs from memory internally.
For example, I have the ports on my docker hosts memorized for the services I use, only a couple mapped hosts in opnsense, but nothing centralized.
What is the best way to handle internal DNS name resolution for both docker and the lxc containers? Internal CA certs? External unroutable (security)?
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