Cloud Fundamentals
/Beginner
DNS Service (Route 53 / Cloud DNS)
Definition
A highly available cloud Domain Name System service. It translates human-readable domain names into the machine-readable IP addresses needed to locate servers.
Explain Like I'm New
The phonebook of the internet. You type `google.com`. The DNS service looks up the name and tells your browser to connect to the IP address `142.250.190.46`.
Real World Example
AWS Route 53, Azure DNS. You buy `mycoolstartup.com` and use Route 53 to map that name directly to your AWS Load Balancer. Route 53 can also route users to different servers based on their geographic location (e.g., sending European users to the Paris data center).
Common Use Cases
- •Domain management
- •Global traffic routing
Interview Questions
basic
- What does DNS stand for?
intermediate
- Why is AWS's DNS service specifically named 'Route 53'?