There were 1 times that cni.columbia.edu's availability was tested during the 1 143 days from October 4, 2021. Cni.columbia.edu, during all tests, proved its functionality 1 times, with the latest uptime on October 4, 2021, confirming a response of code 200. There were no service interruptions for cni.columbia.edu throughout all assessments done as of November 20, 2024. No response had an error status, according to the replies that were received as of November 20, 2024. Records show the October 4, 2021, cni.columbia.edu response at 0.527 seconds, contrasted with the 0.527 seconds average.