Records indicate gzbrain.cn passed 1 functioning tests during the 1 119 day time frame starting on November 5, 2021. Across all the tests done as of November 28, 2024, gzbrain.cn was either down or encountering other issues. As of November 28, 2024, all evaluations indicated that gzbrain.cn had no periods of inoperability. On November 5, 2021, code 502 was recorded as the most recent error in 1 responses with errors. Data shows the November 5, 2021, gzbrain.cn response at 1.968 seconds, compared to 1.968 seconds average.