The Domain Name System (DNS) is like the address book of the internet, translating human-friendly domain names (e.g., into IP addresses (e.g., that computers use to identify each other. While your internet service provider (ISP) typically provides you with DNS servers, using public DNS servers can offer benefits such as improved speed, security, and privacy. In this article, we will explore free and secure public DNS servers to enhance your online experience.

Why Consider Public DNS Servers?

  1. Speed: Public DNS servers often have a broader infrastructure and are optimized for performance. This can lead to faster website loading times and reduced latency.
  2. Security: Many public DNS servers offer advanced security features, including protection against phishing sites and malware. They can also help prevent DNS hijacking, a type of cyberattack that redirects your traffic to malicious websites.
  3. Privacy: Public DNS servers may offer more privacy than your ISP’s servers. They don’t log as much information about your online activities, which can help protect your data from being tracked or sold.

Top Free and Secure Public DNS Servers

  1. Google Public DNS: Operated by Google, this service is known for its reliability and speed. Google Public DNS does not log your IP address, and it offers protection against DNS spoofing and cache poisoning attacks. To use it, configure your DNS settings with the IP addresses and
  2. Cloudflare DNS: Cloudflare is known for its commitment to privacy and security. Their DNS service,, offers fast and private browsing. It blocks malware, adult content, and other harmful sites. To use it, configure your DNS settings with the IP addresses and
  3. OpenDNS: Now part of Cisco, OpenDNS provides robust security features. It can block malicious websites and filter content, making it a great choice for family use. Two popular OpenDNS servers are and
  4. Quad9: Quad9 focuses on privacy and security by blocking known malicious domains. It is a collaborative effort between IBM, PCH, and others. To use Quad9, set your DNS to and
  5. Comodo Secure DNS: Comodo offers free DNS servers that provide security against malware and phishing websites. Use and as your DNS addresses.

How to Change Your DNS Settings

Changing your DNS settings is typically straightforward:

  1. Windows: Go to Control Panel > Network and Internet > Network and Sharing Center. Click on your connection, then go to Properties > Internet Protocol Version 4 (TCP/IPv4) > Properties. Choose “Use the following DNS server addresses” and enter your chosen DNS server’s IP addresses.
  2. macOS: Go to System Preferences > Network > Advanced > DNS. Click the “+” button and add your chosen DNS server’s IP addresses. Click OK and Apply.
  3. Router Level: You can change DNS settings on your router, affecting all devices connected to it. Access your router’s settings via a web browser and locate the DNS settings to input your chosen DNS server’s IP addresses.


Using free and secure public DNS servers is a simple way to enhance your internet experience. These servers offer improved speed, security, and privacy compared to many ISP-provided DNS servers. By making a simple change to your DNS settings, you can enjoy a faster and safer online journey while protecting your privacy in the digital landscape.

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