I should add: OCSP is the baseline requirements, ie. DV SSL certs will also need to support OCSP checking. See <a href="https:&#x2F;&#x2F;cabforum.org&#x2F;wp-content&#x2F;uploads&#x2F;Baseline_Requirements_V1_3_1.pdf" rel="nofollow">https:&#x2F;&#x2F;cabforum.org&#x2F;wp-content&#x2F;uploads&#x2F;Baseline_Requirement...</a>