Since February 23, 2019, 11 times, the qfn.cn availability has been analyzed over the course of 2 109 days. There were difficulties accessing qfn.cn or it was unreachable during every test performed as of December 2, 2024. Qfn.cn was inaccessible during 27.27% of tests performed, which amounts to 3 times it was down, with the most recent on November 19, 2024. The error coded as 403, occurring on August 3, 2019, was the latest among 8 responses with errors. 0.463 seconds is qfn.cn's average response time, while it responded in — seconds on November 19, 2024.