Starting on November 26, 2020, and lasting for 1 504 days, 5 times, zln.do was inspected for availability. Operating successfully 2 times in all tests, zln.do's last recorded uptime on January 5, 2025, returned a code 200. As of January 9, 2025, zln.do has not encountered any inaccessibility issues during all the tests. On January 7, 2025, the latest error among the 3 error responses was represented by code 403. Zln.do's 0.540 seconds reply on January 7, 2025, contrasted its 0.405 seconds average response time.