We are using "custom domains" in a azure app service. A DNS is pointing to the IP address of the app service listed in -> custom domains -> IP Address. Everything works as expected (y)

Here's the question: Can this IP ever change? Should I be careful with any kind of configuration eg upscaling? Or is this IP reliable?



Yes, the IP can change (perhaps a CNAME record would be better?).

Generally it will only change due to a platform health issue and not something you can inadvertently do within the portal. Not even a scale up will cause it.

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