AWS - Route 53
You created a private hosted zone but your EC2 instances cannot resolve the domain names inside it. What is the most likely cause?
You created a private hosted zone but your EC2 instances cannot resolve the domain names inside it. What is the most likely cause?
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Understand private hosted zone requirements
Private hosted zones must be linked to one or more VPCs to work.Step 2: Identify why EC2 can't resolve names
If the private hosted zone is not associated with the VPC where EC2 runs, DNS queries fail.Final Answer:
The private hosted zone is not associated with the VPC -> Option AQuick Check:
Private hosted zone needs VPC association [OK]
Quick Trick: Private hosted zones must link to VPCs to resolve names [OK]
Common Mistakes:
- Assuming public/private mix-up causes resolution failure
- Ignoring VPC association requirement
- Thinking internet access affects private DNS resolution
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