In the time period of 71 days beginning September 17, 2024, the data indicates 5 operability checks were conducted for spf.pobox.com. Spf.pobox.com's unavailability or operational issues were noted in every check conducted as of November 28, 2024. With the most recent test being conducted on September 30, 2024, spf.pobox.com was unavailable for 5 out of the total tests, or 100.00%. The received replies confirm that, as of November 28, 2024, no response had an error status. Compared to 0.001 seconds average, spf.pobox.com responded in — seconds on September 30, 2024.