From the course: Hands-On Development in AWS

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Using zone aliases

Using zone aliases

- One of the features of Route 53 is the ability to create an alias. An alias is a unique feature of Route 53 in that it will do a, a silent translation for you. We can actually see here on the screen an example of this. So this icon right here is the AWS infrastructure icon for a load balancer, an elastic load balancer. And what if we were to have an A record in a DNS zone in a Route 53 zone that pointed to the IP address of a load balancer, for example, and then this load balancer were to disappear. A new one were to be started for whatever reason that would get a new IP address. Our A record would then be invalid. We don't want that to happen. So one of the features of of Route 53 is the ability to create an alias wherein we create an A record, we mark it as being an alias, and then that alias points to our load balancer. And in the event our load balancer were to stop and restart, it would still resolve properly to the load balancer. So let's create one of these things in our…

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