Over the course of the 1 499 days that started on November 4, 2021, 2 availability checks of diplomatarium.dk were carried out. Diplomatarium.dk, during all tests, proved its functionality 2 times, with the latest uptime on December 11, 2025, confirming a response of code 200. During inspections, no instances of unavailability were found for diplomatarium.dk as of December 12, 2025. As of December 12, 2025, there were no responses indicating error status, based on all received replies. With 0.375 seconds being the average, diplomatarium.dk recorded a response time of 0.584 seconds on December 11, 2025.