What is DNS? (and how it makes the Internet work)

octobre 20, 2024 Mourad ELGORMA

DNS can be hacked….use SecureDNS from Twingate to protect yourself and your people: https://ntck.co/twingate_zerotrust

🔍 Your Web Browser is Dumb….without DNS🔍
Did you know your web browser is clueless when it comes to finding websites? When you type in a URL like academy.networkchuck.com, your browser has no idea where to go. That’s where DNS, the Domain Name System, steps in to save the day! 🌐

In this video, we dive deep into the magic behind DNS. We’ll break down how your browser queries DNS servers to turn website names into IP addresses, making the internet work seamlessly. From how DNS can be hacked to how you can secure your own DNS with tools like SecureDNS from TwinGate, we’ve got it all covered. 💻

🔐 DNS Security Tips: Learn how to use DNS over HTTPS (DOH), DNS over TLS (DOT), and other methods to keep your browsing secure from hackers and prying eyes. Protect your privacy and keep your internet safe.

🛠️ Tools Mentioned:
TwinGate for SecureDNS
Raspberry Pi for DIY DNS servers
AdGuard and PiHole for ad-blocking and DNS control

Grab your coffee ☕, and let’s dive into how the internet really works!

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**Sponsored by Twingate

00:00 – Introduction: Why your browser is « dumb »
01:46 – What is DNS? (The Contacts app of the Internet)
04:02 – DNS Hierarchy: The Mafia Bosses of the Internet
09:13 – Securing DNS from Hackers
15:30 – DNS Records Explained: A, NS, MX, and More
19:55 – Real-world example: Buying a New Domain
22:58 – Running Your Own DNS Server and Ethical DNS Hacking

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– Understanding DNS basics
– How DNS queries work
– DNS over HTTPS explained
– Setting up a home DNS server
– Importance of DNS security
– Protecting against DNS spoofing
– How to secure your DNS
– NetworkChuck’s guide to DNS
– DNS server setup tutorial
– Recursive DNS server explained
– DNS caching and its benefits
– How to use AdGuard for DNS
– PiHole DNS server setup
– Cloudflare DNS features
– Google public DNS overview
– What is a stub resolver?
– Role of TLD servers in DNS
– How to prevent DNS attacks
– Using Twingate for secure DNS
– Ethical hacking and DNS security
– Advanced DNS configurations
– How to encrypt DNS queries
– Benefits of using DOH
– NetworkChuck’s cybersecurity tips