Thank you. It was the explicit https issue.

Does anyone know how long licensing.adobe.com has been offline, or more importantly, when it will be back online?

Did anything come of this?  I have a similar issue with a DAM asset being returned as application/save.

I have some raw HTML files in DAM that I've activated.  In the DAM asset view, it's indicating "text/html" as the asset type.  When I visit the URL of the activated asset, the http response delivers content-type application/save.text/html is defined as a mime type in the Sling Mime type service.Are ...