This is a 1.12.2 pack about getting to space and adventuring with friends on a dedicated server. This has a dedicated server built in. IP: mc.darkmatternetworks.co.uk:25566
Type in the modpack name (SpaceQuest) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select SpaceQuest from the list on the left. The launcher will handle everything else!