Quoting Gary (saclug(a)garymcglinn.com):
Well, maybe, but
spins.fedoraproject.org was fine with
it. It was
fedoraproject.org that had issues.
FWIW, that's still puzzling, because...
http://fedoraproject.org/ or
https://fedoraproject.org/ does an
automatic HTTP 302 redirect to
https://getfedora.org/