The best DNS server for you will depend on your priorities. Consider factors like privacy, speed, security, and whether you need features like parental controls or ad blocking.

The process for changing your DNS server varies depending on your operating system and device. Generally, you can find the settings in your network or internet connection settings.

Read how to change the DNS Server for Unifi Fibre modem, Streamyx modem, iPhone/iPad, Android, or Windows 10.

Here are some of the best free and public DNS servers, each with its own strengths:

Top 5 free and public DNS servers in 2025

1. Google Public DNS

• Primary DNS: 8.8.8.8
• Secondary DNS: 8.8.4.4
• Pros: Globally distributed, fast, and reliable. Strong protection against DNS-based attacks.
• Cons: Google’s privacy policy might be a concern for some.

2. Cloudflare DNS

• Primary DNS: 1.1.1.1
• Secondary DNS: 1.0.0.1
• Pros: Fast, privacy-focused, and offers optional malware filtering.
• Cons: Some users have reported occasional connection issues.

3. Quad9

• Primary DNS: 9.9.9.9
• Secondary DNS: 149.112.112.112
• Pros: Blocks malware, phishing, and other malicious domains by default. Strong privacy policy.
• Cons: Might block some legitimate websites due to its aggressive filtering.

4. OpenDNS Home

• Primary DNS: 208.67.222.222
• Secondary DNS: 208.67.220.220
• Pros: Offers parental controls and content filtering. Good for families.
• Cons: Can be less privacy-focused than other options.

5. AdGuard DNS

• Primary DNS: 94.140.14.14
• Secondary DNS: 94.140.15.15
• Pros: Blocks ads and trackers. Good for privacy-conscious users.
• Cons: Might interfere with some websites or applications.

Additional tips

• Test different DNS servers: Try a few different options to see which one provides the best performance and experience for you.
• Use a secondary DNS: Having a secondary DNS server can improve reliability in case the primary server is unavailable.
• Consider a DNS over HTTPS (DoH) service: DoH encrypts your DNS queries, providing an additional layer of privacy.

By choosing the right DNS server, you can improve your internet experience, enhance your privacy, and protect yourself from online threats.