You can link more servers from the customer page after creating. If a server with this host:port already exists, we'll link to it instead of creating a duplicate.
Leave port at 25565 unless the server explicitly uses a non-standard one. The poller resolves _minecraft._tcp.<host>SRV records first.
_minecraft._tcp.<host>
Use auto for normal stores. Override when the store is bot-protected and detection can't reach it.