During the 1 181 day period from October 18, 2021, availability of atr-c.jp was checked 3 times. Atr-c.jp maintained operational status in 3 instances during all checks, responding with a code 200 in its latest recorded uptime on March 1, 2024. As of January 11, 2025, no tests that were performed showed any instances of atr-c.jp being unavailable. It is confirmed by the responses as of January 11, 2025, that none of the responses have an error status. Noted on March 1, 2024, was atr-c.jp's 0.925 seconds response time, against a 1.140 seconds average.