Availability checks of koyogakuin-j.ed.jp done over the past 1 182 days from September 3, 2021, reached 1. According to all the checks carried out, koyogakuin-j.ed.jp was unavailable or experiencing other issues as of November 28, 2024. A total of 1 times, or 100.00% of checks, koyogakuin-j.ed.jp was unavailable, with the most recent occurrence occurring on September 3, 2021. All responses confirm that, as of November 28, 2024, there were no error statuses detected. Koyogakuin-j.ed.jp's September 3, 2021, response time of — seconds contrasted with its average response time of 0.001 seconds.