September 7, 2021, was the beginning of the 1 174 day interval in which 1 availability checks performed for cfour.de. Cfour.de has had a total of 1 successful accesses out of all the checks performed, with the latest record on September 7, 2021, returning a code 200. As of November 25, 2024, all evaluations showed cfour.de had no periods of inoperability. The error statuses in the received responses have not been reported as of November 25, 2024. On September 7, 2021, cfour.de's response time was recorded as 0.670 seconds, with an average of 0.670 seconds.