What Are DNS Records? DNS explained in simple terms | A complete guide

Learn how DNS (Domain Name System) works and why it's called the internet's phone book. This video breaks down the entire DNS resolution process, from cache checks to root servers, and covers every essential DNS record type, including A, AAAA, CNAME, MX, NS, SOA, TXT, PTR, SRV, and CAA records.

You'll also learn how SPF, DKIM, DMARC, and DNSSEC keep your domain secure. Whether you're a website owner, sysadmin, or just getting started with domain management, this guide gives you everything you need to understand DNS records, zone files, and why DNS monitoring matters for uptime and email deliverability.

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