Analyzing the data indicates 4 tests performed on darkenergy.astro.illinois.edu's operability in the 1 557 days from June 14, 2021, forward. Each assessment found darkenergy.astro.illinois.edu to be facing technical issues or experiencing downtime as of September 18, 2025. As evidenced, darkenergy.astro.illinois.edu was down 100.00% of the time, which comes out to 4 times, with July 9, 2025, being the most recent occurrence. The error-free status has been reported for all responses received as of September 18, 2025. Darkenergy.astro.illinois.edu's response time was — seconds, with an average response time of 0.001 seconds, on July 9, 2025.