问题
Once I have verified my domain in Azure with the CNAME record, can I remove the CNAME record safely from my DNS server without breaking anything?
回答1:
You can safely delete the awverify records. Those are used only when validating the custom domain (while associating a new domain in the portal) and post that, they are not used so feel free to remove them.
来源：https://stackoverflow.com/questions/37715005/remove-cname-after-azure-has-verified-the-domain