Runbook

Azure WebApp Custom Domain Configuration Issue

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Overview

This incident type refers to an issue with custom domain configuration for an Azure WebApp, where the custom domain (e.g., www.yourdomain.com) is not working with the web app. The incident requires investigation of DNS settings, validation of correct mapping to App Service, and configuration of SSL bindings if needed to resolve the issue.

Parameters

Debug

Check the WebApp's custom domain settings

Check the WebApp's SSL bindings

Verify the SSL certificate config details

Get the list of name servers for your zone

Check the DNS validation record settings for the custom domain

Check the mapping of the custom domain to the WebApp's IP address

Repair

Check and update the DNS settings to ensure that the custom domain is correctly mapped to the web app's IP address.

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