Starting June 7, 2019, dee.cz's availability was tested 2 times over the following 2 002 day period. Responding with a code 200, dee.cz was operational 2 times, most recently on September 22, 2022, out of every check attempted. Throughout the inspections carried out as of November 29, 2024, there were no cases of dee.cz being unavailable. It has been noted that as of November 29, 2024, there were no errors in any of the responses received. Records show 0.107 seconds was dee.cz's September 22, 2022, response time, compared to 0.081 seconds on average.