The operability of vast.ac.vn was checked 7 times during a period of 54 days, beginning on January 6, 2025. With the last time on January 30, 2025, when a code 200 was returned, vast.ac.vn was up 7 times out of all the checks conducted. In the course of the inspections, vast.ac.vn did not experience any downtime as of March 2, 2025. Based on all the replies, as of March 2, 2025, no error status code has been returned. At 0.001 seconds, vast.ac.vn's response time on January 30, 2025, differed from the 3.373 seconds average.