Updating api deprecations for Auth DNS + DNS Firewall legacy analytics

Author: smittal123

src/content/release-notes/api-deprecations.yaml

@@ -3,6 +3,28 @@ link: "/fundamentals/api/reference/deprecations/"
 productName: API deprecations
 productLink: "/fundamentals/"
 entries:
+- publish_date: "2025-12-05"
+    title: "Authoritative DNS and DNS Firewall Legacy Analytics"
+    description: |-
+      Deprecation date: December 2025
+
+      End of life date: 1st December 2026
+
+      The following REST APIs are deprecated and will reach their end of life on December 1, 2026.
+      * [DNS Analytics API](https://developers.cloudflare.com/api/resources/dns/subresources/analytics/)
+      * [DNS Firewall Analytics API](https://developers.cloudflare.com/api/resources/dns_firewall/subresources/analytics/)
+
+      All existing functionality is fully supported by Cloudflare’s GraphQL Analytics API, which provides improved performance, flexibility, and long-term support.
+      Integrations using the REST API need to be migrated to the new GraphQL API before Dec 1, 2026 in order to ensure uninterrupted service.
+      Deprecated APIs:
+      * DNS Analytics API
+          ‘GET/zones/{zone_id}/dns_analytics/’
+      * DNS Firewall Analytics API
+          ‘GET/accounts/{account_id}/dns_firewall/{dns_firewall_id}/dns_analytics/report’
+      Replacements:
+      * [GraphQL API for DNS Analytics](https://developers.cloudflare.com/analytics/graphql/dns-analytics/)
+      * [GraphQL API for DNS Firewall Analytics](https://developers.cloudflare.com/analytics/graphql/dns-firewall-analytics/)
+
   - publish_date: "2025-11-03"
     title: "Cloudflare Mirage"
     description: |-