The operability of koopman.nl has been tested 0 times over the course of the 0 days that followed December 4, 2024. According to all checks done as of December 4, 2024, koopman.nl was unavailable or facing other problems. Assessments revealed koopman.nl had no periods of downtime as of December 4, 2024. It was noted that there were no error statuses received in any of the responses as of December 4, 2024. Koopman.nl averaged 0.000 seconds in response time, responding in 0 seconds on December 4, 2024.