FIX : Machinaris Not Syncing
Short but sweet post:
Fastest way I have found is to go to the Connections tab on the right on the web GUI and add these in the 'Add Connection' box and click 'Add Connection' of course after that.
These are chia.net sites so they're official. These are the east and west USA introducers but you can Google for chia.net introducers if you need other locations.