Counting 1 401 days from January 20, 2021, there were 1 checks done on irs.lirr.org's availability. Out of all tests, irs.lirr.org accessibility was confirmed 1 times, with January 20, 2021, being the most recent 200 status response. As of November 21, 2024, assessments had not shown any instances of irs.lirr.org's non-functionality. As of November 21, 2024, all received replies have confirmed that there are no errors in the responses. The response time on January 20, 2021, was 1.076 seconds, compared to the average of 1.076 seconds on irs.lirr.org.