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Domain Names Using Amazon Route53

I recently started using Route53 to manage DNS records for my domain. I own two domain names, mydomain.com and mydomain.com.au.

Is it possible to configure DNS records with Route53 so that mydomain.com.au is just an alias for mydomain.com. I mean, all DNS queries for xyz.mydomain.com.au will return the result of the same query for xyz.mydomain.com.

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A CNAME record is typically used to redirect a domain to another domain. You would simply create a CNAME record for xyz.mydomain.com.au using xyz.mydomain.com. From the AWS console:

  • After you go to your recordset of the hosted zone, click "Create Recordset".
  • In the Name box, type xyz.
  • In the Type field, select CNAME.
  • In the "Value" field, enter xyz.mydomain.com and click the button to create an entry.

Bonus: the only scenario that CNAME will not work is where you wanted to redirect your root domain (i.e. mydomain.com.au) to another site that is not supported in the DNS specification. Route53 works, but only when you use Route53 to maintain DNS for a site using the Elastic Load Balancer.

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