18 operability checks occurred for ns21.me within the time frame of 1 436 days after December 13, 2020. Returning a 200 code on the last instance of January 25, 2022, ns21.me was accessible 18 times among all the tests done. No instances of downtime were detected for ns21.me during inspections conducted as of November 18, 2024. Based on all replies received, as of November 18, 2024, there were no responses indicating error status. While its average response time is 1.357 seconds, ns21.me replied in 1.695 seconds on January 25, 2022.