The order, and why it is that one
Settle the sequence before running a single command, and name the five properties you will have to prove at the end.
20 minutesTechnical content last reviewed on 9 Aug 2026
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What this lesson builds
- Saying what an output proves, and what it leaves open
- Designing a check that can fail and an alert somebody acts on
- Publishing a domain's records and verifying them