Fill in available dimensions

Author: RebeccaTamachiro

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

@@ -23,6 +23,18 @@ The DNS analytics dashboard contains [four main panels](#panels). The filters an
 
 #### Available dimensions
 
+- Cluster
+- Query name
+- Query type (same as DNS record type)
+- Response code
+- Cluster IP
+- Source IP
+- Upstream nameserver IP
+- Query response source (cache, upstream nameserver, stale cache)
+- Response reason
+- Protocol used (UDP or TCP)
+- IP version (IPv4 or IPv6)
+
 #### Panels
 
 ### GraphQL