There have been 2 checks done on d-mark.jp's accessibility in the 1 690 day period from March 15, 2021, up until today. D-mark.jp has been accessed a total of 1 times during the conducted analyses, the most recent successful ping on March 15, 2021, resulted in a code 200. There were 1 instances (50.00%) of d-mark.jp being unavailable during the inspections, with the most recent one being on October 26, 2025. It was noted that there were no error statuses received in any of the responses as of October 31, 2025. On October 26, 2025, a — seconds response time was recorded for d-mark.jp, averaging 2.421 seconds.