2 tests were conducted on the operability of d-marc.de over the 1 354 days starting on March 15, 2021. Most recently on June 17, 2023, with a 200 status code, d-marc.de was accessible 2 times, out of every test performed. D-marc.de had zero instances of inaccessibility, according to tests conducted as of November 28, 2024. As of November 28, 2024, all responses have been confirmed to be error-free, according to received replies. For d-marc.de, 0.045 seconds was the response time on June 17, 2023, with an average of 0.072 seconds.