If you noticed a slow down in the past minutes, one of the routers of our provider had some issues. This slowed down the services for a short period of time. As you can see on the following graph, suddenly our GET requests to monitor the response time of the services went bong. 20 second response time, this is the equivalent of dead...
But I must say, this is where I am really pleased by our provider, OVH. They immediately explained what was going on: a card of the router crashed hard or died.