This is likely to be of interest to people on this list. It sounds like a mass revocation with little detail as to why:
https://www.reddit.com/r/sysadmin/comments/80uaq3/digicert_certificates_being_revoked/ _______________________________________________ dev-security-policy mailing list dev-security-policy@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-security-policy