Same problem, and I've been having the same issue with other sites. It's the after effects of Global Signs major screw up a couple of days ago [1]. They managed

Same problem, and I've been having the same issue with other sites. It's the after effects of Global Signs major screw up a couple of days ago [1]. They managed to revoke one of their own cross-signing certificates by mistake. We'll be seeing problems like this for a few more days until cache clears. [1] https://downloads.globalsign.com/acton/fs/blocks/showLandingPage/a/2674/p/p-008f/t/page/fm/0 https://downloads.globalsign.com/acton/fs/blocks/showLanding...