When an already online domain becomes hosted by pageboard, DNS issues (propagation, CAA, ...) can prevent certificate creation temporarily.
In this case, proxy should not try to redirect to https and just serve http.
It is then up to CSP headers to prevent forms from posting in that configuration.
When an already online domain becomes hosted by pageboard, DNS issues (propagation, CAA, ...) can prevent certificate creation temporarily. In this case, proxy should not try to redirect to https and just serve http. It is then up to CSP headers to prevent forms from posting in that configuration.