This game is a little outdated but is one of my favorite servers. This game has made me love Harry potter more each time I play.
The IP address for Dumbledores Army is play.dahp.us, you can copy server address, find Discord server, website and more in the server info section (top left corner).
Just open your Launcher and click the "Play" button then select "Multiplayer" option from the menu.
Now click "Add Server" button, paste in the text play.dahp.us in "Server Address" input and hit "Done".
Then once server connection will turn green, you can click on "Join Server" to join and play on Dumbledores Army server.
There are 5 players playing Dumbledores Army at the moment.
Dumbledores Army supports version 1.18.1, you can also try to join with different version but 1.18.1 is recommended Minecraft client version.
The Dumbledores Army is hosted in United States, Dumbledores Army was last checked 15 minutes ago and has fast connection.
On Dumbledores Army Minecraft server you can play Creative GameModes.