With this server, Both Java version and Bedrock editions can play together as one.
Minecraft: Java Version.
With java version all you need to do is just use the server address.
Minecraft: Bedrock Edition
With Bedrock some edition can connect without any proxy apps or settings. iPhone/iPad, Android, Windows 10 and xBox Newer editions should connect without any problems. PS4/PS5 would need to use a proxy and Nintendo Switch would need a dns change.
Link on how to do it. <— Click here.
Server for bedrock is play.techacraft.com and you don’t need to change the port.