Our website portal.virusfree.cz uses Godaddy certificate.Firefox shows error when connecting to this website :
Secure Connection Failed
An error occurred during a connection to portal.virusfree.cz. The OCSP server has refused this request as unauthorized. Error code: SEC_ERROR_OCSP_UNAUTHORIZED_REQUEST
The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.Please contact the website owners to inform them of this problem.
Chrom works without problem, but our customers use Firefox so we can't just ignore it.
Your test tool https://ssltools.godaddy.com/views/certChecker reports no OSPC status, so the problem is probably on your OSPC server side.