You can play Rusty Toenail by adding the server in the Minecraft launcher.
On Minecraft Bedrock Edition, open the Minecraft launcher or Minecraft app. Go to the “Servers” tab and press “Add Server.” Enter the Rusty Toenail IP Address rtnmc.comin the “Server Address” and the Rusty Toenail port 19132 in the “Port.” Then press “Save” and start playing.