Before we dive into the 8 best free and public DNS servers for 2024, let’s take a moment to understand what DNS is. The Domain Name System (DNS) acts as the internet’s address book, translating the human-readable website names we use (like ““) into the IP addresses that computers use to communicate. When you enter a URL into your web browser, your browser queries the DNS server to obtain the corresponding IP address, enabling it to access the website.

While your internet service provider (ISP) automatically assigns you DNS servers upon connecting to the internet, these default options may not always be optimal. Slow DNS servers can introduce noticeable delays before websites begin to load, and if your assigned server experiences downtime, you may temporarily lose access to all online content.

Making the switch to a free public DNS server can significantly enhance your online experience, offering more responsive browsing and boasting lengthy track records of 100% uptime, effectively minimizing the likelihood of technical disruptions. Here are the 8 Best Free and Public DNS Servers for 2024.

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8 Best Free and Public DNS Servers for 2024:

Which DNS server is right for you?

  • Speed demons: Google Public DNS and Cloudflare DNS reign supreme.
  • Security champions: Quad9, CleanBrowsing, and AdGuard DNS excel in protection.
  • Privacy pros: Cloudflare DNS, CleanBrowsing, AdGuard DNS, and Control D prioritize your data.
  • Customization cravers: OpenDNS offers extensive control.
  • European users: Alternate DNS and Control D provide local advantages.
How to Use AI Tools to Boost Your Daily Productivity

Ready to switch? It’s super simple! Check your device or router’s settings for DNS options and enter the server addresses of your choice.