During the 0 day period beginning on December 26, 2024, a total of 0 availability checks of koken-tool.co.jp were performed. Out of all the checks as of December 26, 2024, koken-tool.co.jp was unavailable or experiencing other issues. No instances of inoperability occurred on koken-tool.co.jp based on inspections made as of December 26, 2024. According to the reports, all of the responses that were received as of December 26, 2024, are free of errors. Koken-tool.co.jp's average response time of 0.000 seconds was different from its December 26, 2024, reply time of 0 seconds.