[Various] Fix video ID, placeholder notation, and add ref arch reference#28942

Merged

RebeccaTamachiro merged 3 commits intoproductionfrom

rebecca/dns-support-ra-fast-follows

Mar 12, 2026

Commits on Mar 12, 2026

Update onboard-domain-cf/index.yaml to refer correct video
RebeccaTamachiro
committed
Fix placeholder notation in third-party-load-balancers
RebeccaTamachiro
committed
List new ref arch diagram on the by-solution page
RebeccaTamachiro
committed