The AWS learning challenge continues. This week was about Route53 which is literally the first time I touch this service and then some deeper dive into VPCs. Route53 gives a lot of flexibility and customisation but it is quite expensive for buying new domains and also you have to pay to transfer your domain which was a bummer. Nevertheless I gave it a try and it now makes a lot of sense.

Afterwards, in the VPC section there were some a bit advanced topic which I have to admit are difficult to make sense in a tweet. One of the biggest advantages I have seen so far is that it is a lot easier to follow devops related conversations and understand why certain decisions were made. Enough with me blabbing let’s go to the content.


Let’s talk about AWS Route53

It is a managed DNS (Domain Name System) service which contains a collection of rules and records for reaching a server through its domain name

The most common records include

CNAME vs Alias

Let’s do a comparison of when to use CNAME vs Alias in AWS Route53

AWS resources expose a hostname that looks like

http://abc-123.eu-west-2.elb.amazonaws.com. You want that to point to http://yoursite.example.com

The CNAME points a hostname to another hostname. Only for non root domains

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