First put the file of the latest screaming bedwars in the plugins folder:
https://www.spigotmc.org/resources/screaming-bedwars-1-9-4-1-17-1.63714/
Then put the lastest SBA version in the plugins folder.
When you join play.crytkee.net, does it take you to your server? I recomend, if you want a custom domain for a minehut server, to get MHunlimited. For example play.woolgens.net
If you use luckperms do:
on first join:
set {VIP::%player%} to false
death of player:
attacker is player:
add 1 to {Kills::attacker's uuid}
every 1 second:
loop all players:
if {VIP::%player%} is false:
if {Kills::loop-player's uuid} >= 5:
/lp player %player% parent set vip
set {VIP::%player%} to true
This is not the best way to do it.