The OCSP responder problem still exists, for all Java 17.0.4+ and 21.0.0+ users. See phase4#124
for technical details. This page now uses CRL instanceof OCSP to work around the issue.
This page was moved.
They are using my validation engine and helping me to save some server resources :)
Note: the validation web service is currently not affected by this change and new validation rules will be added as usual.