You can chose to use a free managed certificate for your web app from Azure Portal:
A data-driven organization acquires, processes, and leverages data in a timely fashion to create efficiencies, iterate on and develop new products, and navigate the competitive landscape.
Author wrote also:
There are many ways to assess whether an organization is data driven. Some like to talk about how much data they generate. Others like to talk about the sophistication of data they use, or the process of internalizing data. I prefer to start by highlighting organizations that use data effectively.
(Get-AzWebApp -ResourceGroup <group_name> -name <app_name>).OutboundIpAddresses
You can use nameresolver to check the hostnames that your app depends on. This way you can test if you have anything misconfigured with your DNS or perhaps don't have access to your DNS server. You can see the DNS server that your app uses in the console by looking at the environmental variables WEBSITE_DNS_SERVER and WEBSITE_DNS_ALT_SERVER.
You can use the next tool to test for TCP connectivity to a host and port combination. This tool is called tcpping and the syntax is:
tcpping.exe hostname [optional: port]
The tcpping utility tells you if you can reach a specific host and port. It can show success only if there's an application listening at the host and port combination, and there's network access from your app to the specified host and port.
Additional debug steps include: