Since February 23, 2019, 12 times, the qfn.cn availability has been analyzed over the course of 2 174 days. There were difficulties accessing qfn.cn or it was unreachable during every test performed as of February 5, 2025. Qfn.cn was inaccessible during 33.33% of tests performed, which amounts to 4 times it was down, with the most recent on January 12, 2025. 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 January 12, 2025.