https://www.codevivek.com/tags/dns/ Recent content in DNS on Vivek's Blog Hugo en viveklp1995@gmail.com (Vivek Singh) viveklp1995@gmail.com (Vivek Singh) Mon, 28 Jul 2025 19:56:55 +0530 https://www.codevivek.com/understanding-dns/ Mon, 28 Jul 2025 10:00:00 +0530viveklp1995@gmail.com (Vivek Singh) https://www.codevivek.com/understanding-dns/ <h1 id="understanding-dns-the-internets-phone-book">Understanding DNS: The Internet&rsquo;s Phone Book</h1> <p>Ever wondered what happens when you type <code>google.com</code> into your browser? Behind that simple action lies one of the most elegant distributed systems ever created: the Domain Name System (DNS). Think of it as the internet&rsquo;s phone book, but instead of looking up phone numbers, it translates human-readable domain names into IP addresses that computers can understand.</p> <h2 id="what-exactly-is-dns">What Exactly is DNS?</h2> <p>DNS is essentially a hierarchical, distributed database that maps domain names to IP addresses. When you visit a website, your computer needs to know the exact IP address of the server hosting that site. Since remembering <code>142.250.80.14</code> is much harder than remembering <code>google.com</code>, DNS acts as the translator.</p>