In the 1 467 day period that started on January 6, 2021, mdf.ru was checked for availability 9 times. In 9 of the tests that were conducted, mdf.ru returned a code 200 in response, the most recent uptime occurring on January 7, 2025. According to evaluations as of January 12, 2025, there were no periods of inactivity for mdf.ru. Responses received as of January 12, 2025, have been confirmed as error-free, per the replies. The January 7, 2025, records indicate mdf.ru's response time of 0.669 seconds differed from its 1.476 seconds average.