During the 16 day period that started on December 30, 2024, 1 checks were made for istt.ir's availability. Out of the total checks attempted, istt.ir was accessible 1 times, with the last occurrence recorded on December 30, 2024, returning a code 200. As of January 16, 2025, all checks of istt.ir confirmed that there were no instances of inaccessibility. The replies that were received indicated that as of January 16, 2025, no error statuses were noted. Istt.ir's response time was 1.996 seconds on December 30, 2024, compared to an average of 1.996.