What is DNS over HTTPS (DoH) and DoT: Which is Better for Privacy?
Every time you type a website address into your browser and hit Enter, a behind-the-scenes process begins to convert that name into an IP address – the actual location of the site. Traditionally, this is done via DNS (Domain Name System), which has long worked like the internet’s phonebook. But here’s the catch: it’s historically been wide open – like sending your website request on an unsealed postcard. Anyone along the route – including your internet service provider (ISP) – can see what site you’re visiting.
DNS over HTTPS (DoH) is the privacy-enhancing upgrade to this system. It wraps that postcard in a tamper-proof, encrypted envelope and sends it down the same secure highway your browser already uses for things like banking and shopping (Port 443). In simple terms, DoH encrypts your DNS queries so that ISPs and potential attackers can't snoop on or tamper with them.
So why does this matter?
In today’s internet ecosystem, where data tracking is a default business model, the fact that your ISP can log every website you visit – even in incognito mode – should raise alarms. DoH makes it much harder for them to track your browsing habits, giving users back a critical slice of digital privacy.
But DoH isn’t alone in the game. Its close cousin, DNS over TLS (DoT), offers similar encryption with one key difference: it uses a dedicated port (853). While both are excellent for privacy, DoH is much harder to block and blends in more seamlessly with normal HTTPS traffic, making it ideal for users in censored or monitored networks.
Let’s break down the practical differences:
DoH (DNS over HTTPS): Uses Port 443, hides in plain sight, harder to block, great for bypassing censorship.
DoT (DNS over TLS): Uses Port 853, may be slightly faster, but easier for networks to detect and block.
From a privacy perspective, DoH wins for most users, especially if you're on a school, office, or restricted network. That said, both protocols represent huge upgrades over traditional DNS.
Benefits of DNS over HTTPS include:
🔒 Preventing ISPs from logging your browsing history
🛡️ Protection against DNS spoofing and redirection attacks
🚫 Circumventing basic censorship mechanisms
🔐 Easy browser-level implementation (Chrome, Firefox, Edge)
Enabling DoH is simple – most modern browsers now support it. Within a few clicks, you can turn on Secure DNS, and immediately gain a stronger layer of privacy. For broader protection, you can even configure DoH at the OS level on Windows 11 or use apps like Cloudflare’s 1.1.1.1 on macOS, Android, or iOS.
Now, one common question: Is DoH the same as a VPN? Not quite.
Think of DoH as protecting just the address you're mailing. It encrypts the request for a website’s IP address but does not hide your IP or encrypt your full traffic. A VPN, on the other hand, encrypts everything – your browsing, your downloads, even your app data – and masks your IP address too. They serve different purposes and work even better together.
The Controversies? From an enterprise perspective, DoH can interfere with network-level content filtering and malware detection. It also centralizes DNS data in the hands of a few large providers like Google or Cloudflare. While you’re hiding traffic from your ISP, you’re also potentially sending it to another major tech player. This is a valid concern, and choosing a trusted DoH provider is key.
But for most users – especially privacy-conscious individuals – the benefits far outweigh the risks.
Bottom Line: DNS over HTTPS is one of the simplest and most effective steps you can take right now to improve your online privacy. Whether you’re concerned about surveillance, ads, tracking, or censorship, enabling DoH is a powerful first move toward reclaiming your digital autonomy.
📍 Want to see exactly how to enable it on your browser or device? Check the full article
This guide explains what is DNS over HTTPS (DoH) and compares it to traditional DNS & DoT to show you how it keeps your activity private.
