ISP Ziggo Zakelijk has resolved the issue. The internet connection came back up on April 4th around 21:30
We currently face an internet outage Paleiskade Den Helder. We are in contact with ISP Ziggo Zakelijk to investigate and have this resolved. The backup connection via Rotterdam Boompjes has kicked in.
For users not being able to connect to Citrix Den Helder please use https://citrix.pcugroup.com . This will re-route you to Citrix Den Helder via Rotterdam.