Records show that in the 1 215 days from September 13, 2021, 8 uptime tests were completed for zs4.net. On November 18, 2023, zs4.net was confirmed up for the 4 time from all assessments conducted, by a 200 status code. Zs4.net had zero instances of inaccessibility, according to tests conducted as of January 11, 2025. Error code 403, identified on November 25, 2024, was the latest among the 4 responses found to contain errors. Compared to its average of 0.545 seconds, zs4.net's November 25, 2024, response was 0.340 seconds.