From July 6, 2021, through the following 1 240 days, 3 availability checks of ndu.edu were conducted. Through 3 operational instances across all conducted checks, ndu.edu affirmed its latest uptime on May 30, 2022, by returning a code 200. All testing of ndu.edu as of November 28, 2024, found no instances of inoperability. As of November 28, 2024, no error status codes have been returned based on the responses received. In comparison with its average of 0.841 seconds, ndu.edu replied in 0.215 seconds on May 30, 2022.