Within the 2 134 day time frame starting on January 22, 2019, there have been 1 tests done on taxhistory.tax.org's availability. Availability tests determined taxhistory.tax.org was functional 1 times, the last check on January 22, 2019, resulted in a 200 status code. According to tests, as of November 25, 2024, there were no incidents of inoperability for taxhistory.tax.org. By the records, no responses with error status codes were reported as of November 25, 2024. Records indicate taxhistory.tax.org had an average response time of 0.453 seconds, while on January 22, 2019, it responded in 0.453 seconds.