Add placeholder sections per panel

Author: RebeccaTamachiro

src/content/docs/dns/dns-firewall/analytics.mdx

@@ -37,6 +37,14 @@ The DNS analytics dashboard contains [four main panels](#panels). The filters an
 
 #### Panels
 
+- **Query summary**:
+
+- **Query statistics**:
+
+- **DNS queries by data center**:
+
+- **Top query statistics**:
+
 ### GraphQL
 
 Use the [GraphQL API](/analytics/graphql-api/) to access DNS Firewall analytics. Refer to the GraphQL Analytics API documentation for guidance on how to [get started](/analytics/graphql-api/getting-started/).