[DNS] Clarify custom SOA values availability (#19417)

* Update dns-record-types.mdx

SOA records require an Account Entitlement for ENT customers, not enabled by default: Authoritative DNS - Custom SOA Record Allowed, so customers may need to reach out to support or their account teams to enable it

* Update dns-record-types.mdx

* Revert to Ent account but clarify existing zone vs defaults

* Keep clearer structure but remove zone plan nuance

---------

Co-authored-by: Nic <[email protected]>
Co-authored-by: Rebecca Tamachiro <[email protected]>

Author: 3 people

src/content/docs/dns/manage-dns-records/reference/dns-record-types.mdx

@@ -322,8 +322,14 @@ A start of authority (SOA) record stores information about your domain such as a
 
 If you are using Cloudflare for your [authoritative DNS](/dns/zone-setups/full-setup/), you do not need to create an SOA record. Cloudflare creates this record automatically when you start using Cloudflare's authoritative nameservers.
 
-If you have an Enterprise account, you also have the option to change the SOA record values that Cloudflare will use.
-You can do that for existing zones by going to **DNS** > **Records** > **DNS record options**, or you can configure your own [DNS zone defaults](/dns/additional-options/dns-zone-defaults/) and define the SOA record values that Cloudflare will use for all new zones added to your account.
+With Enterprise accounts, you also have the option to change the SOA record values that Cloudflare will use:
+
+- As a DNS zone default: Define the SOA record values that Cloudflare will use for all new zones added to your account. Refer to [Configure DNS zone defaults](/dns/additional-options/dns-zone-defaults/) for step-by-step guidance.
+- For existing zones: Override the defaults or Cloudflare-generated values by going to **DNS** > **Records** > **DNS record options**.
+
+:::note
+If you are an Enterprise customer and these options are not displayed on your Cloudflare dashboard, reach out to your account team.
+:::
 
 Refer to the following list for information about each SOA record field:
 
@@ -395,4 +401,4 @@ Most Cloudflare domains do not need to add these records and should instead foll
 
 ### Other
 
-Cloudflare also supports other record types that are less common, such as URI, NAPTR, and certificate-related record types (SSHFP, TLSA, SMIMEA, and CERT). Refer to our [blog post](https://blog.cloudflare.com/additional-record-types-available-with-cloudflare-dns/) for more information.
+Cloudflare also supports other record types that are less common, such as URI, NAPTR, and certificate-related record types (SSHFP, TLSA, SMIMEA, and CERT). Refer to our [blog post](https://blog.cloudflare.com/additional-record-types-available-with-cloudflare-dns/) for more information.