Netlify site unreachable from Egypt without VPN (custom domain and netlify.app)

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I am experiencing the same issue from Egypt with both zafriqon.com and zafriqon-app.netlify.app. Both fail without VPN, including over mobile hotspot, but work immediately through VPN on the same computer. Deployment, Netlify DNS, and HTTPS are all healthy. I have also opened a detailed report here:

Egypt connectivity issue – ERR_CONNECTION_REFUSED for both custom domain and netlify.app domain