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Ishwaritorke Aug 24, 2025
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# Route53

TODO
Amazon Route 53 is a scalable and highly available cloud-based Domain Name System (DNS) web service that translates human-readable domain names (like www.example.com) into numeric IP addresses (like 192.0.2.1) so computers can find and connect to internet applications. In addition to DNS translation, it also handles domain registration, performs health checks on your resources, and routes internet traffic to various applications and services, including those running inside or outside of AWS

# Core Functions
**Domain Name System (DNS) Resolution:**
The primary function is to act as a "phonebook" for the internet, mapping domain names to IP addresses, which is necessary for directing users to web applications.
**Domain Registration:**
You can register new domain names through Route 53.
**Health Checking:**
It monitors the health and performance of your web servers and other resources, routing traffic only to healthy endpoints.
**Traffic Routing:**
Route 53 allows you to define various routing policies (like weighted, latency-based, or failover) to distribute traffic to different endpoints, enhancing the resilience and performance of your applications.

# How it Works
**User Input:** A user types a domain name (e.g., www.example.com) into their web browser.
**DNS Query:** The browser sends a query to the DNS system.
**Route 53 Resolution:** Route 53 translates the domain name into its corresponding IP address.
**Traffic Routing:** Using this IP address, Route 53 then directs the user's request to the correct server or service hosting the requested application, such as an Amazon EC2 instance, Elastic Load Balancer, or S3 bucket.