Use Five Whys After the DNS Outage
Apply Five Whys to move from a DNS outage symptom to a process-level corrective action.
Internal apps failed for 28 minutes because a malformed DNS record was promoted to the production zone. Five Whys: trace cause-and-effect from symptom to an actionable process weakness, validating each step with evidence. The common trap is stopping at the first person in the chain. "Tariq typed the wrong value" describes an action, but it does not explain why production accepted the value, why nobody caught it, or why rollback took 28 minutes. Why 1 Why did internal apps fail? The service names resolved to the wrong target after the production DNS zone was updated. This names the technical failure…
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