Book.dmm.com was inspected for operability 3 times in the 1 462 days following November 17, 2020. Book.dmm.com returned a code 200 during its most recent uptime on October 24, 2021, and was accessible 3 times during all tests. During the inspections carried out as of November 19, 2024, there were no instances of unavailability for book.dmm.com. Based on the received replies, it has been confirmed that there were no error responses as of November 19, 2024. The recorded 3.441 seconds response time on October 24, 2021, contrasted book.dmm.com's average of 2.809 seconds.