In the period of 2 147 days starting March 12, 2019, r3.nu's operability was inspected 2 times. The latest instance being September 24, 2021, when a 200 status code was received, r3.nu was accessible 2 times out of the total checks conducted. Tests carried out on r3.nu showed that there were no instances of inactivity as of January 26, 2025. As of January 26, 2025, it has been noted that no error status code has been returned in all responses. Data reveals a contrast on September 24, 2021, with r3.nu responding in 0.663 seconds against its 0.379 seconds average.