Well, Microsoft often uses suspicious looking URLs for their services. E.g. Office/OneDrive connects to hosts like "oneclient.sfx.ms" and "auth.gfx.ms". So as a

Well, Microsoft often uses suspicious looking URLs for their services. E.g. Office/OneDrive connects to hosts like "oneclient.sfx.ms" and "auth.gfx.ms". So as a user you have to trust these domains and you also have to trust the domain management of the island of Montserrat.