Nebula uses lighthouses instead of DNS for finding other nodes.
https://github.com/slackhq/nebula?tab=readme-ov-file#2-optio...
https://github.com/slackhq/nebula?tab=readme-ov-file#2-optio...
That's what I've read (when evaluating Nebula), at least.
> split-horizon configuration
Is it when your local router redirects media-server.mydomain.com to a local IP, and say Cloudflare DNS redirects it to your Nebula IP?