The operability of vast.ac.vn was checked 7 times during a period of 66 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 13, 2025. Based on all the replies, as of March 13, 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.