Zdr.ru's availability has been checked 2 times over the past 2 068 days, starting from March 30, 2019. The last recorded uptime of zdr.ru on April 16, 2021, returned a code 200, the 2 instance of operability out of total checks. As of November 26, 2024, evaluations revealed no instances of zdr.ru's inoperability. According to the reports, all of the responses that were received as of November 26, 2024, are free of errors. Zdr.ru's average response time of 0.668 seconds was different from its April 16, 2021, reply time of 0.611 seconds.