Does it cost anything?
No, it is free. There is nothing to pay for.
Can I join from Switch, a phone or an iPad?
Yes. Any device that runs Bedrock can join (Bedrock port 19132). Consoles (Switch, PlayStation, Xbox) need a workaround; see How to join.
Which Java version?
Use 26.2.
I'm new. Is that OK?
Of course. Start with the Starter guide. For a long game pick Main; for something relaxed pick OneBlock.
How do I change servers?
Talk to an NPC in the Lobby, or type /server <name> in chat (for example /server smp). Back to the Lobby: /server hub.
Are my builds protected?
It depends on the server. On Main, land you protect with Lands is safe (Land). On Creative you can protect builds with WorldGuard (Creative server). SMP has no land protection (chests, doors and similar blocks lock automatically when placed).
Is there a map?
Yes: see the Main server world on the Map.
I can't connect with the usual address
We sometimes change the address for a while. Check the top entry on Backup address. See whether the servers are up on Right now.
Anything else?
Ask on Discord.