How to configure your vanity domain name?

Configure their vanity domain name, ‘partners.contoso.com’, to point to ‘contoso.trafficmanager.net’, using a DNS CNAME record. When using a vanity domain with Azure Traffic Manager, you must use a CNAME to point your vanity domain name to your Traffic Manager domain name.
For More Information Please Refer:
https://docs.microsoft.com/en-us/azure/traffic-manager/traffic-manager-how-it-works
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