Adding custom domain name to your azure web app

Go to the Custom domains section of your web application.

Add the following host on Azure Portal.

yourdomain.com	A Record
www.yourdomain.com	CNAME

Make sure you have already added an A Record and a TXT to point to your web app.

A Record	xx.xx.xx.xx
TXT Record	xxxxxxxxx.azurewebsites.net