Book.dmm.com was inspected for operability 6 times in the 1 531 days following November 17, 2020. Book.dmm.com returned a code 200 during its most recent uptime on January 20, 2025, and was accessible 6 times during all tests. During the inspections carried out as of January 27, 2025, 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 January 27, 2025. The recorded 1.188 seconds response time on January 20, 2025, contrasted book.dmm.com's average of 2.161 seconds.