How to use custom hostname to serve an AWS loadbalancer

Website, Application, Performance DNS & Network
1

What is the name of the domain?

Example domain app.customer.com

What is the issue you’re encountering

What to do to send traffic from app.customer.com to dualstack..us-east-1.elb.amazonaws.com

What steps have you taken to resolve the issue?

One of my clients wants to send requests coming into app.customer.com to our AWS loadbalancer eg .us-east-1.elb.amazonaws.com

I know first I have to create a custom hostname for app.customer.com (This is done)
(I am yet to validate the hostnames and certificate).

How do I proxy this traffic and send it to my AWS ALB DNS (eg:dualstack..us-east-1.elb.amazonaws.com) in my AWS account.

What feature, service or problem is this related to?

DNS records

2

I assume you need to create a fallback origin DNS record CNAME to .us-east-1.elb.amazonaws.com.

app.customer.com → fallback origin via custom hostname
fallback origin → alb via DNS cname record

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