DPD confirmed that the issue has been resolved. We thank you for your patience.
May 18, 14:35 CEST
The issue seems to have been resolved, but we haven't received any news from DPD. We will monitor the situation until we receive feedback from DPD.
May 17, 18:03 CEST
The DPD webservices are non-responsive. You will possibly experience that no DPD shipping options are available in your checkout.
DPD reports that they are aware of the issue and are working on a solution.
May 17, 11:43 CEST