DISCLAIMER: Potterworld or Droobledore LLC is not in any way affiliated with Mojang AB, J.K. Rowling, Warner Brothers or any company, copyright or trademark.
Hello!
If you mean server information as in how to join, the ip is play.potterworldmc.com and you can play using versions 1.10-1.13.
If you mean information about the server itself, you can type /faq or /help in-game for info there, or feel free to ask any questions you have!
In addition, if you have any other questions you can go on the forums click on support and help > FAQ or click on rules and guidelines in order to get an answer to any other possible questions you may have!