4 availability checks of telno.de had over the 51 day period starting from October 7, 2024. Telno.de has been operable 4 times out of all tests, with the last uptime recorded on November 22, 2024, returning a code 200. Evaluations as of November 27, 2024, confirmed that telno.de had no periods of inactivity. Based on the obtained replies, it can be concluded that there were no errors in any of the responses as of November 27, 2024. A 0.302 seconds response time was noted for telno.de on November 22, 2024, with an average of 0.452 seconds.