From June 29, 2019, up until now, which is a period of 1 969 days, the availability of rkb.jp has been checked 5 times. During the entire period of checks, rkb.jp was accessible 5 times, with a 200 status code, as of October 5, 2022. Rkb.jp was found to have no offline times during the inspections conducted as of November 19, 2024. As of November 19, 2024, there have been no reports of error statuses in the responses that have been received. On October 5, 2022, rkb.jp's response time differed from the average, being 2.749 seconds compared to 2.205 seconds.