I ran my own home router and I used Kea and Power DNS using Systemd Containers to provide service for my whole home.

I was really impressed. I think the folks who put it together did a good job of addressing the major warts of my experience with isc-dhcp-server.

I'm sure it's a tremendous challenge writing software that's supposed to live up to modern expectations while still attempting to deliver on all of the legacy dependents and their unique use cases.

Makes me think of that article on how Cloudflare wrote their own Golang DNS Server and like some 900 whopping people use LOC records but they still support it