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CKA study material · question 288 of 1000

Which record type does cluster DNS use for reverse lookups of Pod and Service addresses?

  1. PTR
  2. CNAME
  3. AAAA
  4. SRV
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Answer: A. PTR

Reverse lookups are answered with PTR records through the in-addr.arpa and ip6.arpa zones.

Source: Customizing DNS Service (Kubernetes) — Introduction

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