[Registrar] Update faq.mdx (#24992)

Following support case 01729409

Author: ngayerie

src/content/docs/registrar/faq.mdx

@@ -11,6 +11,9 @@ Below you will find answers to our most commonly asked questions. If you cannot
 
 * [Domain transfers](#domain-transfers)
 * [Domain registrations](#domain-registrations)
+* [Domain restoration](#domain-restoration)
+* [Domain deletions](#domain-deletions)
+* [Domain management](#domain-management)
 * [Billing](#billing)
 
 ## Domain transfers
@@ -203,6 +206,13 @@ If the domain is more than 5 days old, it will enter the redemption period and w
 
 You can update both your default contact information and any individual Registrant, Administrator, Technical or Billing contact for your domain registrations by following [Registrant contact updates](/registrar/account-options/domain-contact-updates/). Details that may be updated include name, email, address, organization and telephone number.
 
+### Can I change my nameservers?
+
+No, you need to use Cloudflare's nameservers for domains on Clouflare Registrar.
+If you need to use different nameservers, you'll need to [move your domain to another Registrar](/registrar/account-options/transfer-out-from-cloudflare/).
+
+You can create NS records in the DNS tab of your Cloudflare Dashboard if you need to [delegate a subdomain](/dns/manage-dns-records/how-to/subdomains-outside-cloudflare/) to another service provider.
+
 ***
 
 ## Billing