Demo.openhab.org rejects the connection on http

Does anyone else have this issue?
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It doesn’t work on my PC or on my phone. Also trying to access it with mobile data doesn’t help.

According to status.openhab.org the demo systems are online

Update: I noticed that the demo servers only reject the connection when using http and not https.
So https://demo.openhab.org/ works and http://demo.openhab.org/. So it seems like the Redirection from http to https doesn’t work.