Create and apply partial for reference-zone-intro

Author: RebeccaTamachiro

src/content/docs/dns/internal-dns/internal-zones/index.mdx

@@ -17,7 +17,7 @@ Internal DNS zones do not get assigned Cloudflare nameservers and can only be qu
 
 ## Reference zones
 
-During an [internal DNS query resolution](/dns/internal-dns/#architecture-overview), if no internal record is found within a matching internal zone, Cloudflare will check if the matching internal zone is referencing another internal zone. Successive references can be followed with a maximum of five references in a chain.
+<Render file="reference-zone-intro" />
 
 Each internal zone can only reference one other zone, but the same zone can be referenced by multiple internal zones. Public zones cannot be used as reference zones.
 

src/content/docs/dns/internal-dns/internal-zones/reference-zones.mdx

@@ -7,7 +7,7 @@ sidebar:
 
 import { Example, Render } from "~/components";
 
-During an [internal DNS query resolution](/dns/internal-dns/#architecture-overview), if no internal record is found within a matching internal zone, Cloudflare will check if the matching internal zone is referencing another internal zone. Successive references can be followed with a maximum of five references in a chain.
+<Render file="reference-zone-intro" />
 
 Each internal zone can only reference one other zone, but the same zone can be referenced by multiple internal zones. Public zones cannot be used as reference zones.
 

src/content/partials/dns/reference-zone-intro.mdx

@@ -0,0 +1,6 @@
+---
+{}
+
+---
+
+During an [internal DNS query resolution](/dns/internal-dns/#architecture-overview), if no internal record is found within a matching internal zone, Cloudflare will check if the matching internal zone is referencing another internal zone. Successive references can be followed with a maximum of five references in a chain.