4 tests were conducted on the uptime of blackd.cc in the 1 357 days following March 2, 2021. Responding with a code 200 in its latest recorded uptime on December 4, 2022, blackd.cc showcased functionality 4 times across all conducted checks. Evaluations of blackd.cc as of November 19, 2024, did not reveal any downtime incidents. No reported response from all the replies received was found to have an error as of November 19, 2024. Blackd.cc's average response time of 0.670 seconds was different from its December 4, 2022, reply time of 0.297 seconds.