title: aws, loadbalancer, what does dualstack mean in dns?
body: <p>Load Balancer has dns name <code>example-web-3333333.ap-northeast-2.elb.amazonaws.com</code></p>
  <p>and when we assign them in route53, it has <code>dualstack</code> at the front, so that
  <code>dualstack.example-web-3333333.ap-northeast-2.elb.amazonaws.com</code></p>
  <p>I'm trying to setup a cdn (cloudflare) for static files, so that when a user hits <code>static.example.com</code> (whose domain is maintained by cloudflare), the dns should be
  <code>example-web-3333333.ap-northeast-2.elb.amazonaws.com</code></p>
  <p>Should I include <code>dualstack</code> in this scenario as well?</p>