ase dns character limit

Author: seligj95

articles/app-service/environment/networking.md

@@ -3,7 +3,7 @@ title: App Service Environment networking
 description: App Service Environment networking details
 author: madsd
 ms.topic: overview
-ms.date: 07/21/2023
+ms.date: 10/02/2023
 ms.author: madsd
 ---
 
@@ -121,7 +121,7 @@ For more information about Private Endpoint and Web App, see [Azure Web App Priv
 
 ## DNS
 
-The following sections describe the DNS considerations and configuration that apply inbound to and outbound from your App Service Environment. The examples use the domain suffix `appserviceenvironment.net` from Azure Public Cloud. If you're using other clouds like Azure Government, you need to use their respective domain suffix.
+The following sections describe the DNS considerations and configuration that apply inbound to and outbound from your App Service Environment. The examples use the domain suffix `appserviceenvironment.net` from Azure Public Cloud. If you're using other clouds like Azure Government, you need to use their respective domain suffix. Note that for App Service Environment domains, to keep the URL length within necessary DNS limits, the site name will be truncated at 40 characters and the slot name, if applicable, will be truncated at 19 charachters.
 
 ### DNS configuration to your App Service Environment