Nasa.gov's availability has been checked 424 times total in the 2 271 day time frame beginning June 12, 2019. With the last time on July 29, 2025, when a code 200 was returned, nasa.gov was up 424 times out of all the checks conducted. As of August 31, 2025, every response that was received has been reported to be error-free. For nasa.gov, 0.031 seconds was the response time on July 29, 2025, with an average of 0.105 seconds.