The operability of nrt.dk has been tested 5 times over the course of the 2 003 days that followed June 4, 2019. Out of every check attempted, nrt.dk was up 5 times, most recently on October 3, 2021, responding with a code 200. As of November 28, 2024, there were no occurrences of downtime reported for nrt.dk during inspections. No reported response from all the replies received was found to have an error as of November 28, 2024. On October 3, 2021, nrt.dk's response time contrasted its average, being 1.481 seconds against 1.262 seconds.