Beginning on August 28, 2021, and continuing for the last 1 231 days, 1 times, the availability of cupola.columbia.edu has been checked. Throughout the entirety of tests, cupola.columbia.edu operated successfully 1 times, with the last uptime on August 28, 2021, returning a code 200. Based on tests, as of January 10, 2025, there were no instances of inoperability for cupola.columbia.edu. It has been confirmed by all responses that have been received as of January 10, 2025, that no responses have an error status. Cupola.columbia.edu replied in 0.735 seconds on August 28, 2021, differing from its 0.735 seconds average response time.