In the 1 475 days starting November 12, 2020, until today, there have been 273 checks on zserials.cc's operability. The website zserials.cc was confirmed functional 6 times from total checks performed, latest proven on July 8, 2023, by a 200 status response. Out of evaluations done, zserials.cc was down 97.80% of occasions, equaling 267 events, with the most recent on November 24, 2024. As of November 27, 2024, errors in the responses that were received have not been reported. The — seconds response time noted for zserials.cc on November 24, 2024, differed from its 0.463 seconds average.