What is DNS?

DNS (Domain Name System) is a fundamental component of the internet that translates human-friendly domain names (e.g., example.com) into numerical IP addresses (e.g., 192.168.1.1) that computers use to identify each other on networks. Without DNS, users would have to remember complex numerical addresses for every website they visit.

How Does DNS Work?

When you enter a website URL in your browser, the DNS system follows these steps:

1. Query Initiation: Your browser sends a request to the DNS resolver.
2. Lookup Process: The resolver checks its cache or queries a DNS server.
3. IP Address Retrieval: The authoritative DNS server returns the correct IP address.
4. Website Access: Your browser connects to the website,s server using the retrieved IP address.

Why is DNS important?

- Enhances browsing speed by reducing the need for repeated lookups.
- Enables easy website access without memorizing IP addresses.
- Ensures network reliability for websites and online services.

A properly functioning DNS is crucial for seamless internet browsing. However, clearing the DNS cache using tools like chrome://net-internals/#dns can help resolve website loading issues caused by outdated records.

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