Merge pull request #215924 from greg-lindsay/dns-upd

Update private-resolver-endpoints-rulesets.md

Author: prmerger-automator[bot]

articles/dns/private-resolver-endpoints-rulesets.md

@@ -6,7 +6,7 @@ author: greg-lindsay
 ms.service: dns
 ms.custom: ignite-2022
 ms.topic: conceptual
-ms.date: 10/13/2022
+ms.date: 10/25/2022
 ms.author: greglin
 #Customer intent: As an administrator, I want to understand components of the Azure DNS Private Resolver.
 ---
@@ -86,6 +86,9 @@ For example, if you have the following rules:
 
 A query for `secure.store.azure.contoso.com` will match the **AzurePrivate** rule for `azure.contoso.com` and also the **Contoso** rule for `contoso.com`, but the **AzurePrivate** rule takes precedence because the prefix `azure.contoso` is longer than `contoso`. 
 
+> [!NOTE]
+> You can't enter the Azure DNS IP address of 168.63.129.16 as the destination IP address for a rule. Attempting to add this IP address will output the error: **Exception while making add request for rule**. Instead, use the private resolver's inbound endpoint IP address as the destination.
+
 ## Next steps
 
 * Review components, benefits, and requirements for [Azure DNS Private Resolver](dns-private-resolver-overview.md).