From the course: AWS Certified Advanced Networking - Specialty (ANS-C01) Cert Prep

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Route 53

Route 53

From the course: AWS Certified Advanced Networking - Specialty (ANS-C01) Cert Prep

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Route 53

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- [Instructor] Let's take a look at how you would determine a DNS strategy for your organization by looking first at how Route 53, the DNS service for AWS works. To start with, when you're looking at Route 53, one of the things to consider is how the process works step by step. A user opens a web browser. Let's say it's www.example.com in the address bar. You press enter. It's then routed next to a DNS server. This could be from your internet service provider. The DNS resolver in step three forwards the request to a DNS route name server. In step four, the DNS resolver forwards the request for www.example.com again, but this time to one of the TLD name servers for .com domains. Then in step five, the DNS resolver chooses a Route 53 name server and forwards request for www.example.com to that name server. The Route 53 name server in step six looks inside the hosted zone, gets the associated value, such as an IP address for a web server, and returns the IP address to the DNS resolver…

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