Onboard a root or apex domain on your Front Door.
Application Gateway
az afd custom-domain list -g emetric-uatdr-rg --profile-name uat-env-fd-profile | jq -r '.[].name' | sort | uniq
az network application-gateway http-listener list --gateway-name agwvname --resource-group gateway-rg | jq -r '.[].hostName' | sort | uniq