Hyperlint Meta Desc: DNS Firewall FAQ and random prefix(#20344)

* Fix issue: WorkspaceTaskSubType.META_DESCRIPTION

* Fix issue: WorkspaceTaskSubType.META_DESCRIPTION

* Apply suggestions from code review

---------

Co-authored-by: hyperlint-ai[bot] <154288675+hyperlint-ai[bot]@users.noreply.github.com>
Co-authored-by: Rebecca Tamachiro <[email protected]>

Author: hyperlint-ai[bot]

src/content/docs/dns/dns-firewall/faq.mdx

@@ -1,6 +1,7 @@
 ---
 title: FAQ
 pcx_content_type: faq
+description: Find answers to common questions about Cloudflare's DNS Firewall, including cache behavior, EDNS support, and setting PTR records.
 sidebar:
   order: 4
 head:

src/content/docs/dns/dns-firewall/random-prefix-attacks/about.mdx

@@ -7,6 +7,7 @@ head:
   - tag: title
     content: About random prefix attacks - DNS Firewall
 
+description: Learn about random prefix attacks. As part of DNS Firewall, Cloudflare can protect your upstream authoritative nameservers from these attacks.
 ---
 
 import { Render } from "~/components"