Based on the data analysis, zdr.ir underwent 2 accessibility tests in the 2 068 days that followed March 22, 2019. With a code 200 response, zdr.ir was accessible 1 times, the last instance being on October 16, 2021, out of the total checks conducted. Evaluations performed as of November 18, 2024, showed that there were no instances of unavailability for zdr.ir. The error response that took place on March 22, 2019, labeled as code 404, was the most recent within the 1 responses that encountered errors. Noted on October 16, 2021, zdr.ir's response time was 0.170 seconds, against an average of 0.107 seconds.