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A user reports that after creating a Route 53 alias record to an ELB, the website is unreachable. Which of the following is NOT a valid troubleshooting step?

medium📝 Debug Q7 of 15
AWS - Route 53
A user reports that after creating a Route 53 alias record to an ELB, the website is unreachable. Which of the following is NOT a valid troubleshooting step?
AChange the alias record type from A to MX
BCheck if the alias record's DNS name matches the ELB's DNS
CConfirm the alias record's HostedZoneId is correct
DVerify the ELB's health checks and instance status
Step-by-Step Solution
Solution:
  1. Step 1: Valid troubleshooting steps

    Checking ELB health, DNS name, and HostedZoneId are valid steps.
  2. Step 2: Invalid step identification

    Changing alias record type to MX is unrelated and incorrect for ELB routing.
  3. Final Answer:

    Change the alias record type from A to MX -> Option A
  4. Quick Check:

    Invalid troubleshooting step = Change the alias record type from A to MX [OK]
Quick Trick: MX records are for mail, not ELB routing [OK]
Common Mistakes:
  • Changing record types without reason
  • Ignoring ELB health checks
  • Not verifying HostedZoneId

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