Route53 A/AAAA Alias Record to ELB does not use "dualstack" prefix

[httpdigest]

When creating an ALIAS A/AAAA record in Route53 pointing to an ELB on the Web Console, the name will always have a "dualstack" prefix, as also suggested by the AWS documentation: https://aws.amazon.com/de/premiumsupport/knowledge-center/alias-resource-record-set-route53-cli/

If you're pointing to an Elastic Load Balancer, always include dualstack in the value for the DNSName key-value pair of the JSON file.

This ensures that both IPv4 and IPv6 addresses are solved.

However, a CDK ARecord as well as a AaaaRecord with a LoadBalancerTarget will not add this "dualstack" prefix.

Reproduction Steps

import * as route53 from '@aws-cdk/aws-route53';
import * as route53targets from '@aws-cdk/aws-route53-targets';
...
const elbZoneAAAARecord = new route53.AaaaRecord(this, 'ElbAaaaRecord', {
  zone: zone,
  target: route53.RecordTarget.fromAlias(new route53targets.LoadBalancerTarget(elb)),
});

When looking at Route53 record in the the Web Console, the record will not have the "dualstack" prefix.

Environment

• CLI Version : 1.23.0 (build 01f326e)
• Framework Version: 1.23.0 (build 01f326e)
• OS : Windows 10 x64
• Language : typescript

This is 🐛 Bug Report

[shivlaks]

@httpdigest is it just the prefix that needs to be dualstack or anywhere in the value? The documentation snippet is a little confusing here. But as i understand it, doing it from the console results in dualstack as the prefix.

[httpdigest]

I think the documentation is pretty clear about "dualstack" being a simple prefix to the DNS name of the ELB, as per the example:

For example, if your load balancer's Amazon-provided DNS name is ALB-xxxxxxxx.us-west-2.elb.amazonaws.com, use:
"DNSName": "dualstack.ALB-xxxxxxxx.us-west-2.elb.amazonaws.com"

[shivlaks]

I think the documentation is pretty clear about "dualstack" being a simple prefix to the DNS name of the ELB, as per the example:

For example, if your load balancer's Amazon-provided DNS name is ALB-xxxxxxxx.us-west-2.elb.amazonaws.com, use:
"DNSName": "dualstack.ALB-xxxxxxxx.us-west-2.elb.amazonaws.com"

okay, i was thinking it could be anywhere in the value based on the phrasing of

If you're pointing to an Elastic Load Balancer, always include dualstack in the value for the DNSName key-value pair of the JSON file.

[erikdebruin]

Is this issue being addressed? I can successfully create a DNS recordset (alias) to a LB, but the value doesn't include the 'dualstack.' prefix. Manually adding the prefix fixed the recordset.

Is there a workaround I can use while waiting for the framework to be fixed?