Create Record Set

route 53 is to create a subdomain

Select Hosted zones → click main domain(justten.io)

Open

Click Create Record Set

Write the domain name: dev-core.justten.io

Click Alias as a Yes

Looking for Target Group: ice4-dev

Click Save Recode Set

Open

Confirm domain name

• dev-core.justten.io

• dev-builder.justten.io

• dev-service.justten.io