For a period of 1 145 days, 1 times, beginning on December 8, 2021, derr.su was tested for availability. Of the total tests, derr.su was accessible 1 times, the most recent uptime occurred on December 8, 2021, and returned a code 200. Tests conducted as of January 26, 2025, found no instances of derr.su becoming inoperable. As of January 26, 2025, there are no recorded instances of error status codes, according to the responses that were received. 2.435 seconds was derr.su's recorded response time on December 8, 2021, contrasting the 2.435 seconds average.