Records show that in the 1 308 days from July 4, 2021, 1 uptime tests were completed for zserf.com. Out of every test conducted, zserf.com was functional 1 times, including on the latest check on July 4, 2021, that returned a 200 status response. As of February 1, 2025, no test results indicated that zserf.com was ever unavailable. As of February 1, 2025, there were no replies with an error status among those that were received. The 1.757 seconds average contrasted zserf.com's 1.757 seconds response on July 4, 2021.