It happens very rarely (usually) and is a server problem, as you noted. I'm not sure why it happened to you recently a bunch of times
In your case, the games were counted, I'm sending you via private message the results of your last 20 rated multiplayer games. It was created by "Dombot", a software that can be used on the Dominion Discord, which you can join athttps://discord.gg/JtdqyZS
Discord is a text and voice communication software that has "servers" created by persons, often around a game, in the case, Dominion.