The machine that hosts your server was targeted by a DDoS attack a few minutes ago, it also appears that this particular machine has been the target of repeated attacks throughout the past few days, which are most likely the culprit of the repeated crashes you have been experiencing.
We have recently found that our network providers in Denmark have not been meeting our expectations in terms of network stability and performance, which is why we are planning on moving over to another datacenter within shortly. This datacenter features a better infrastructure : 2x 10 Gb/s uplinks instead of 2x 2 Gb/s, which should drastically improve the stability of this location.
