Over the previous 2 354 day period beginning on February 6, 2019, there were 7 checks done on catech.kr's availability. Catech.kr was functional 7 times from the aggregate tests performed, last operable January 13, 2025, and replying with 200 status code. As of July 18, 2025, no test results indicated that catech.kr was ever unavailable. As of July 18, 2025, based on all responses received, none of them had returned an error status code.