when signing in to World of Minecraft client 2.0.6 = validated list of servers from World of Minecraft Direct..

valid box not ticked = same server list as mc.net

valid
box ticked = messed up server list, showing old servers, of which some
direct play codes, no longer work.. also showing up some old spammed
hacked servers.. if you do a player count search, your see em..

a lot of the validated list of servers from World of Minecraft Direct, are no longer working..
mc.net server list is fixed, and has been working ok,
so it best to tick off the valid box, to get the proper list from mc.net.
especially if you got problems connecting to servers..

peace, love & respect..