Tag Archives: caa

As promised, I’ve been testing Certification Authority Authorization (CAA) with some Certificate Authorities and here’s what I found so far: Amazon Certificate Manager (ACM) It does not appear they honor the IODEF since I didn’t receive an email. Let’s Encrypt appears to also block issuance: Let’s Encrypt (using lego) 2018/12/29 16:44:30 Could not obtain certificatesContinue reading “CAA Test Results”