Azure App Service Plan – How to Restart

Refresh the Azure Portal and then re-check.

You can verify the DNS propagation by going to this URL http://digwebinterface.com/

Specify the hostnames in the textbox and click on Dig. Verify the results to confirm if the recent changes have taken effect

By the way, Azure is currently having issues in at least the south central US region. I saw a tweet saying that the east region was also having issues. If these issues are the cause of your app's unresponsiveness then you will have to first wait for Azure to resolve these issue. For current status see https://azure.microsoft.com/en-us/status/