Open the Legacy Browser and add "games.dabois.org:27005" to your favorites list. The server password is "daboisgmod".
You need to be in Da Bois Space Engineers group on Steam to see the server. Once you join that, you should see "DaboisWorld" in the top of the world browser.
To join Dabois Rust server, load up Rust then open the Developer Console by pressing "F1". Then paste "clinet.connect games.dabois.org:28015" into the console and press enter.
A link to the Rust.io map can be found here.
Server IP address is "skyfactory.dabois.org".
Server IP address is "ie.dabois.org".
Server IP address is "forge.dabois.org".