During the 1 370 day period beginning on February 20, 2021, a total of 14 availability checks of isa.ir were performed. Of all the checks attempted, isa.ir was up 10 times, the last instance being on September 20, 2021, with a code 200 response. The tests carried out as of November 22, 2024, revealed no incidents of inoperability for isa.ir. Within the 4 responses that had errors, the most recent one, code 403, was observed on October 24, 2024. The response time of 0.017 seconds was recorded for isa.ir on October 24, 2024, while 0.838 seconds is the average.