Data shows istnf.fr was tested for operability 1 times within the 2 139 day time frame starting January 15, 2019. Istnf.fr's last known uptime on January 15, 2019, provided a code 200 response, operational 1 times during the course of all checks. Reviews carried out as of November 23, 2024, indicated istnf.fr did not encounter any periods of inactivity. The results of the responses received as of November 23, 2024, showed that none of the replies had an error status. On January 15, 2019, istnf.fr responded in 0.241 seconds, while the average response time is 0.241 seconds.