http://taiga.cloud.fedoraproject.org/ should be moved to taiga.fedorainfracloud.org to not block strict transport security for fedoraproject.org:
https://fedorahosted.org/fedora-infrastructure/ticket/2888#comment:26
I've created a dns entry for it, but it needs some work on the instance itself to move things.
Adding Ralph here for comment.
This is now complete.