After you’re done changing to another region and saving the playlist, just change it back to SEA and save the playlist. It should work. Though you may have to do this before every game.
You guys ,need to run your own DNS servers , plus check for your frist hop to
your cabinet, with this website . http://www.dslreports.com . And also here is a website for easy to run DNS server https://simpledns.com.