🛡️ doh.t31.org

Online & Operational

Welcome to doh.t31.org, a public DNS-over-HTTPS (DoH) and DNS-over-TLS (DoT) server. This service provides encrypted DNS resolution with ad and tracker blocking, helping protect your privacy while browsing.

DNS-over-HTTPS (DoH) DNS-over-TLS (DoT) Ad Blocking Tracker Blocking
https://doh.t31.org/dns-query
⚠️ Important Note: This DNS server blocks ads and trackers at the DNS level, but it cannot block inline ads (ads embedded directly in website content, like YouTube ads or social media sponsored posts). For comprehensive ad blocking, we strongly recommend installing uBlock Origin in your browser.

📊 Statistics

Total Queries
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Records Served
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Blocked
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Bandwidth Saved
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📱 Setup Instructions

🤖Android (Private DNS)

  1. Open Settings
  2. Go to Network & Internet → Private DNS
  3. Select Private DNS provider hostname
  4. Enter: doh.t31.org
  5. Tap Save

Note: Android uses DNS-over-TLS (DoT) on port 853

🍎iOS/iPadOS

  1. Download a DoH-compatible app like DNSecure or Lockdown Privacy from the App Store
  2. Open the app and add a custom DNS server
  3. Enter: https://doh.t31.org/dns-query
  4. Enable the DNS profile in Settings → General → VPN & Device Management

Alternative: Install a configuration profile (requires manual creation)

🦊Firefox

  1. Go to about:preferences#general
  2. Scroll down to Network Settings → Click Settings
  3. Enable DNS over HTTPS
  4. Select Custom and enter: https://doh.t31.org/dns-query
  5. Click OK

🌐Chrome/Edge

  1. Go to Settings → Privacy and security → Security
  2. Scroll to Use secure DNS
  3. Select With Custom
  4. Enter: https://doh.t31.org/dns-query
🎯 For Complete Ad Blocking: Install uBlock Origin browser extension. DNS-based blocking is effective for many ads and trackers, but browser-based blocking like uBlock Origin is essential for inline ads (YouTube, Facebook, etc.) and provides the most comprehensive protection.

🔧 Technical Details