Сайт доступен по HTTP, но не доступен по HTTPS. Что делать?
Вот, что пишет CloudFlare: "Provider block methods vary, but many will try to determine the destination of a request by inspecting the Host header. This isn't possible with HTTPS connections due to the request being encrypted, so the provider has to rely on more naive methods like checking the IP. That's likely what's happening here."