What Is DNS and Why Is It Crucial for Your Website’s Performance and Security? (2025/586)

August 19, 2025
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Charly Leetham

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Confused by tech jargon like DNS, resolvers, or name servers?

You're not alone—and that's exactly why Charly breaks it all down in plain English. In this episode, she demystifies the Domain Name System and shows why it's essential for running a reliable, secure business online.

📌 In this practical walkthrough, Charly explains:

✅ What DNS really does (and why it’s like GPS for your website)

✅ Why DNS issues cause websites or emails to fail

✅ How caching can help—or seriously hurt—your DNS setup

✅ The four core DNS records: A, CNAME, MX, and TXT

✅ The difference between public and private DNS resolvers

✅ How to choose a safe, fast, privacy-respecting DNS provider

🛡️ Learn to spot DNS hijacks, stale caches, or conflicting records before they break your site.

🔗Join my locals community and strike up a conversation about the topic

Book Your Free Breakthrough Session

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About the Author Charly Leetham

Charly Leetham has been in technology for over 40 years - from earning her amateur radio license at 13 to founding and running Ask Charly Leetham, a digital services business serving small businesses worldwide. After losing $1 million in a franchise failure, she rebuilt from scratch and has kept her business running for nearly two decades through skill, systems, and relentless practicality.

She hosts the podcast Rise and Shine - Your Business Tech Boost with Charly Leetham and speaks about what it actually takes to build businesses that work and last - not just look good on paper.

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