{"id":397,"date":"2024-09-22T14:16:17","date_gmt":"2024-09-22T11:16:17","guid":{"rendered":"https:\/\/avenacloud.com\/blog\/what-is-dns-and-how-does-it-work\/"},"modified":"2026-11-03T19:38:42","modified_gmt":"2026-11-03T17:38:42","slug":"what-is-dns-and-how-does-it-work","status":"publish","type":"post","link":"https:\/\/avenacloud.com\/blog\/what-is-dns-and-how-does-it-work\/","title":{"rendered":"What Is DNS and How Does It Work? Understanding DNS Records and Resolution"},"content":{"rendered":"

The Domain Name System (DNS)<\/strong> remains the unsung hero of the internet. Every time you type a website like “google.com” or open an app that connects online, DNS quietly translates that human-friendly name into a machine-readable IP address<\/strong><\/a> (like 142.250.190.46 for IPv4 or 2607:f8b0:4004:808::200e for IPv6). Without DNS, you’d have to memorize long strings of numbers for every site and service\u2014impossible for billions of daily connections.<\/p>\n

Think of DNS as the internet’s phonebook<\/strong> or smart contact list<\/strong> on steroids: distributed, hierarchical, lightning-fast, and constantly evolving, with privacy features like DNS over HTTPS (DoH) and DNS over TLS (DoT) now standard in browsers and OSes.<\/p>\n

This long, up-to-date guide explains everything: what DNS really is, its architecture, the step-by-step resolution magic, caching, record types, modern security\/privacy enhancements, and common real-world scenarios.<\/p>\n

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Quick Summary<\/p>\nToggle<\/span><\/path><\/svg><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n