Microsoft published their updated list of CAs on their website today, and Amazon is there.  <a href="http:&#x2F;&#x2F;social.technet.microsoft.com&#x2F;wiki&#x2F;contents&#x2F;articles&#x2F;31634.microsoft-trusted-root-certificate-program-participants-v-2016-jan.aspx" rel="nofollow">http:&#x2F;&#x2F;social.technet.microsoft.com&#x2F;wiki&#x2F;contents&#x2F;articles&#x2F;3...</a>