From May 15, 2021, until the current date, dortmund21.de's availability has been inspected 12 times over 1 306 days. 12 times, including on November 21, 2024, with a 200 status code, dortmund21.de's operability was confirmed through checks conducted. As of December 11, 2024, there were no periods of inactivity for dortmund21.de throughout all checks. As of December 11, 2024, all replies received affirm that there are no responses with an error status. With 0.088 seconds as the average, dortmund21.de's November 21, 2024, response time was 0.016 seconds.