ExRCA is testing RPC/HTTP connectivity.

        The RPC/HTTP test failed.

       

        Test Steps

       

        Attempting to resolve the host name exchange.twindo.nl in DNS.

        Host successfully resolved

       

        Additional Details

        IP(s) returned: 84.31.27.78

        Testing TCP Port 443 on host exchange.twindo.nl to ensure it is listening and open.

        The port was opened successfully.

        ExRCA is testing the SSL certificate to make sure it's valid.

        The SSL certificate failed one or more certificate validation checks.

       

        Test Steps

       

        The certificate name is being validated.

        Successfully validated the certificate name

       

        Additional Details

        Found hostname exchange.twindo.nl in Certificate Subject Common name

        Certificate trust is being validated.

        Certificate trust validation failed.

       

        Additional Details

        The certificate chain couldn't be built. You may be missing required intermediate certificates.