I have i nether set up a pump to pump out lava and send it to waterproof teleport pipe that is set to no-recieve liquids and frequency 1, at th home in the overworld i have set up 2 geothermal generators and a waterproof teleport pipe with recieve liquids and frequency 1. The lava is not comming to the overworld, even if i have dimensional anchor.
P.S: i play on multiplayer with my brother.