Review dns-record-types/#ns and fix ACNS mention to API-only

Author: RebeccaTamachiro

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

@@ -377,7 +377,7 @@ Refer to the following list for information about each SOA record field:
 
 A [nameserver (NS) record](https://www.cloudflare.com/learning/dns/dns-records/dns-ns-record/) indicates which server should be used for authoritative DNS.
 
-You only need to add NS records when you are [creating custom or vanity nameservers](/dns/nameservers/custom-nameservers/), using [subdomain setup](/dns/zone-setups/subdomain-setup/), or [delegating subdomains outside of Cloudflare](/dns/manage-dns-records/how-to/subdomains-outside-cloudflare/).
+You only need to add NS records when you are using [subdomain setup](/dns/zone-setups/subdomain-setup/) or [delegating subdomains outside of Cloudflare](/dns/manage-dns-records/how-to/subdomains-outside-cloudflare/).
 
 <Render file="api-field-definitions" />
 

src/content/docs/dns/nameservers/custom-nameservers/index.mdx

@@ -19,7 +19,7 @@ To use custom nameservers, a zone must be using Cloudflare as [Primary (Full set
 ## Availability
 
 * Zone custom nameservers are available for zones on Business or Enterprise plans. Via API or on the dashboard.
-* Account custom nameservers are available for customers on Business (after [contacting Cloudflare Support](/support/contacting-cloudflare-support/)) or Enterprise plans. Once configured, account custom nameservers can be used by all zones in the account, regardless of the zone plan. Via API only.
+* Account custom nameservers are available for customers on Business (after [contacting Cloudflare Support](/support/contacting-cloudflare-support/)) or Enterprise plans. Once configured, account custom nameservers can be used by all zones in the account, regardless of the zone plan. Via API or on the dashboard.
 * Tenant custom nameservers, if created by the tenant owner, will be available to all zones belonging to any account that is part of the tenant. Via API only.
 
 ## Restrictions