5 availability checks of quaternary.jp were performed in the 1 434 day period starting on March 6, 2021. Tests revealed that quaternary.jp was reachable 5 times in total, with the most recent uptime occurring on January 25, 2025, and returning a code 200. Checks done as of February 8, 2025, revealed quaternary.jp experienced no downtime events. The reports indicate that, as of February 8, 2025, there are no errors in any of the received responses. On January 25, 2025, quaternary.jp's response time of 1.553 seconds differed from its average of 1.219 seconds.