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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ Cloudflare's CDN and security services are not applied to delegated subdomains.

***

## Delegate a subdomain
## Delegate a subdomain (outgoing)

To delegate a subdomain such as *internal.example.com*, tell DNS resolvers where to find the zone file:

Expand All @@ -44,3 +44,7 @@ To delegate a subdomain such as *internal.example.com*, tell DNS resolvers wher
The `A` records for the subdomain are only required as glue records for nameservers that are located in the subdomain of the current zone that is being delegated.
:::
5. (Optional) If the delegated nameserver has DNSSEC enabled, [add the `DS` record](/dns/dnssec/#1-activate-dnssec-in-cloudflare) in Cloudflare.

## Delegate a subdomain (incoming)

To delegate a subdomain from an external DNS provider to Cloudflare, refer to [subdomain setups](/dns/zone-setups/subdomain-setup/setup/).