Deception is moving at machine speed. Learn to keep pace.
Portal LoginSupportBlogContact
Search
Portal LoginSupportBlogContact
Search
Get a Demo
Start for Free
HomeCybersecurity 101
DOoH protocol

What is DoH protocol?

Written by: Monica Burgess

Published: 9/19/2025

woman at laptop
ChatGPT logoChatGPTOpens in new tabClaude logoClaudeOpens in new tabPerplexity logoPerplexityOpens in new tabGoogle Gemini logoGoogle AIOpens in new tab
On This Page

What is the DoH Protocol?

DNS over HTTPS (DoH) is a protocol that ensures privacy and security by encrypting your DNS queries. Instead of sending these queries in plain text, DoH hides them within HTTPS traffic to prevent eavesdropping or tampering by malicious actors.

Think of it as putting a private envelope around your internet address requests, keeping them safe from prying eyes.

Understanding the DoH Protocol

The Domain Name System (DNS) works like a phonebook for the internet, helping translate human-friendly web addresses into the numerical IP addresses computers use to communicate. Traditionally, these DNS queries are sent unencrypted, making them visible to anyone monitoring the network.

DoH steps in to solve this vulnerability by encrypting DNS requests and transmitting them through secure HTTPS connections. This prevents internet service providers (ISPs), hackers, or other intermediaries from spying on your online activity or interfering with legitimate connections.

For instance, if you try to visit www.example.com, a typical DNS query might reveal your intended site to third parties. With DoH, that query is encrypted and can’t be easily intercepted or manipulated.

Why Does the DoH Protocol Matter?

DoH plays a vital role in protecting user privacy and improving cybersecurity by:

  • Blocking Surveillance: Since DNS requests are encrypted, ISPs or attackers can’t easily track what websites you’re visiting.

  • Preventing Hijacking: Malicious actors can’t manipulate your DNS queries to redirect you to phishing websites or inject malware into your browsing.

  • Protecting Public Wi-Fi Users: DoH adds a layer of security for individuals using unsecured Wi-Fi networks, reducing the risk of exposure.

However, DoH isn’t without controversy. It can complicate network monitoring for organizations and make it harder to enforce cybersecurity policies. Businesses must balance privacy gains with their ability to detect and mitigate threats effectively.

How to Use DoH

There are several ways to enable DNS over HTTPS on your devices, depending on your browser, operating system, or network:

  • Browser Settings: Most modern browsers, like Chrome, Firefox, and Edge, have built-in options to enable DoH.

  • Operating System Features: Platforms like Windows 11 include system-wide settings to activate encrypted DNS queries.

  • Third-Party Services: Some DNS providers, such as Cloudflare, Google, or CleanBrowsing, offer DoH support for enhanced privacy.

ChatGPT logoChatGPTOpens in new tabClaude logoClaudeOpens in new tabPerplexity logoPerplexityOpens in new tabGoogle Gemini logoGoogle AIOpens in new tab
On This Page

DoH Protocol FAQs

Both protocols encrypt DNS traffic, but DoH uses the standard HTTPS infrastructure, making it blend more seamlessly with regular web traffic. DoT requires a separate port, which can make it easier to identify and block.

Not entirely. While DoH protects DNS queries, it doesn’t hide your IP address or encrypt other kinds of traffic. To maximize privacy, consider using DoH alongside a VPN.

Yes, but enforcing such controls becomes more complex. Organizations may need advanced solutions to analyze HTTPS traffic while respecting user privacy.

Absolutely. DoH counters specific threats like DNS hijacking and spying. However, users and organizations should implement complementary security measures to address broader risks.

Additional Resources

Read more about What is Application Security Posture Management (ASPM)?
What is Application Security Posture Management (ASPM)?
Cybersecurity 101

What is Application Security Posture Management (ASPM)?

Learn how ASPM provides continuous security visibility across the software development lifecycle, helping organizations prioritize risks and streamline remediation.

Read more about What Is Google Dorking? How Hackers Use Search Engines for Recon
What Is Google Dorking? How Hackers Use Search Engines for Recon
Cybersecurity 101

What Is Google Dorking? How Hackers Use Search Engines for Recon

Learn what Google Dorking is, how hackers use advanced search operators to find sensitive info, and steps to protect your business from this cybersecurity risk.

Read more about What is a LAN ID and Its Importance in Cybersecurity
What is a LAN ID and Its Importance in Cybersecurity
Cybersecurity 101

What is a LAN ID and Its Importance in Cybersecurity

Learn what a LAN ID is, its purpose in network authentication, and how it strengthens cybersecurity in local networks.

Protect What Matters

Secure endpoints, email, and employees with the power of our 24/7 SOC. Try Huntress for free and deploy in minutes to start fighting threats.
Try Huntress for Free