Over the past 1 259 days from June 22, 2021, marcvalk.net's availability has been checked 4 times. Out of all tests attempted, marcvalk.net was working 1 times, with the last instance on August 8, 2021, replying with a 200 status code. During marcvalk.net checks as of December 2, 2024, no downtime occurrences were reported. Code 521, received on June 22, 2021, represents the most recent error among the 3 responses that included errors. When compared to its average response time of 0.177 seconds, marcvalk.net's August 8, 2021, response time was 0.001 seconds.