Add intro to create-zone-apex and simplify zone apex explanation

Author: RebeccaTamachiro

src/content/docs/dns/manage-dns-records/how-to/create-zone-apex.mdx

@@ -8,9 +8,13 @@ sidebar:
 
 import { Example, Render } from "~/components"
 
-When you add a domain to Cloudflare, you may also need to create a DNS record on your zone apex (`example.com`).
+When you add a domain to Cloudflare, you may also need to create or review the DNS record on your zone apex. Zone apex refers to the domain (`example.com`) or subdomain (`blog.example.com`) that you are [adding to Cloudflare](/dns/concepts/#zone).
 
-To do this, create an [IP address resolution record](/dns/manage-dns-records/reference/dns-record-types/#ip-address-resolution) (`A`, `AAAA`, or `CNAME`) using `@` for the **Name**, as in the following example.
+Usually, the zone apex record makes your domain accessible by visitors. In this case, the necessary record type ([A, AAAA, or CNAME](/dns/manage-dns-records/reference/dns-record-types/#ip-address-resolution)) and its content will depend on the provider that [hosts](/fundamentals/setup/manage-domains/#host-your-domain) your website or application. If you are using Cloudflare Pages, refer to [Custom domains](/pages/configuration/custom-domains/). If you are using other providers, look for their guidance on how to connect domains managed on external DNS services.
+
+## Zone apex record
+
+To create a zone apex record, use `@` for the record **Name**, as in the following example.
 
 <Example>
 

src/content/partials/dns/dns-scan-procedure.mdx

@@ -10,7 +10,7 @@ Since the quick scan is not guaranteed to find all existing DNS records, you nee
 * [Zone apex records (`example.com`)](/dns/manage-dns-records/how-to/create-zone-apex/)
 
 	<Details header="More about zone apex records">
-  Zone apex refers to the domain or subdomain on which the control of DNS records starts.
+  Zone apex refers to the domain or subdomain that you are [adding to Cloudflare](/dns/concepts/#zone).
 
 	Usually, the zone apex record makes your domain accessible by visitors. In this case, the necessary record type ([A, AAAA, or CNAME](/dns/manage-dns-records/reference/dns-record-types/#ip-address-resolution)) and its content will depend on the provider that [hosts](/fundamentals/setup/manage-domains/#host-your-domain) your website or application.