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K8s L4 K8S 1596 · 8 min

A CoreDNS rewrite is fixed and one namespace still resolves stale names because ndots fallback uses the old search chain

The rewrite is current, but one resolver path still builds queries with the search chain from before the namespace rename.

K8sPlatform ReliabilityLevel 4Pro8 min
Scenario

One namespace still resolves stale names after a CoreDNS rewrite fix.

What to check first
  • Identify the primary failure signal in the The New City Index Was Printed and One neighborhood guide still gave directions from the margin notes in the previous edition scenario.
  • Separate visible symptoms from the underlying technical dependency.
  • Describe the safest recovery path and the follow-up prevention work.
Checking checklist
  1. Summarize the current impact and the last known change.
  2. Collect direct evidence from logs, runtime state, and configuration before changing anything.
  3. Separate immediate recovery from permanent prevention work.
Recovery and prevention

Inspect search chain caches before restarting DNS.

Questions worth viewing together
Should I translate commands, logs, or product names?

No. Keep commands, logs, file names, APIs, and product names unchanged, then explain the reasoning in the selected UI language.

What should the answer focus on?

State the root cause, the evidence that supports it, and the safest recovery direction.

Why can the scenario remain in the original language?

The source scenario is treated as an incident artifact. Guidance, checklist, hints, and explanations can be localized around it.