[DNS] Internal DNS follow-up adjustments#20594

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RebeccaTamachiro merged 10 commits intoproductionfrom

rebecca/internal-dns-v1-follow-up

Mar 14, 2025

Commits on Mar 6, 2025

Commits on Mar 14, 2025

Remove CNAME flattening desc to be added on a separate PR
RebeccaTamachiro
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