Since April 10, 2019, 4 times, the dsl.dk availability has been analyzed over the course of 2 064 days. According to the total tests made, dsl.dk was up 4 times, most recent September 3, 2021, returning a 200 status code. Assessments conducted as of December 3, 2024, confirmed that dsl.dk did not encounter any offline periods. It has been confirmed by all replies received as of December 3, 2024, that there are none with an error status. On September 3, 2021, the recorded response time was 0.344 seconds compared to dsl.dk's average of 0.300 seconds.