Thank you for posting your query on Microsoft Q&A. From above description I could understand that you are looking for advise to make add your custom domain as a primary domain.Please do correct me by responding in the comments section as the info shared above is limited to conclude the issue.
- Kindly add you custom domain in in Azure Static Web Apps
- Once done select the custom domain you want to configure as the default domain and then Select Set default.
Thanks,
Akshay Kaushik
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