What server do I have to use to make a co op speedrun count?

1.Best way is lan using radmin or hamachi 
2.other way is to create your own server it usually takes 1-2 gb of ram to maintain the server and it uses a percentage of the cpu and you also need to have good enough internet  
1 mb upload here is a tutorial:
https://youtu.be/Tzs2RFrK5fo

Minecraft co op server

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