The accessibility of kosef.re.kr was reviewed 11 times over 2 093 days beginning August 2, 2019, as shown by the data. Based on the latest checks, kosef.re.kr was inaccessible or facing technical difficulties as of April 26, 2025. During 11 times out of the tests, or 100.00% of the total, kosef.re.kr was unavailable, the most recent downtime occurred on August 2, 2019. As of April 26, 2025, it has been confirmed that no response contains an error status. On August 2, 2019, kosef.re.kr had a — seconds response time, differing from its 0.001 seconds average.