SecretDNS 3.8.6 Update

SecretDNS (3.8.6) has been updated.

• Recommended Options allow you to comfortably use it by only applying exceptions for necessary sites.

• Only fragment the SNI string to minimize speed loss.
• You can fragment SNI and use DNS features only for specified domains.
• Use specified DNS servers without changing Windows settings.
• Effortlessly check the domains you are connected to.
• Mix it with proxy features.
• Can be used without installation.

Homepage

• SecretDNS: https://secretdns.kilho.net

Recommended Options

1. DNS settings – Encryption (DOH)
2. SNI settings – Fragmentation (manual)
3. Whitelisting – Enter domains to bypass

History

• Version 3.8.6 (2026/02/25)
  - Streamlined logic for automatic start settings to minimize exceptions
  
• Version 3.8.5 (2026/02/05)
  - Improved stability when retrieving internet information
  - Added functionality for LG internet user fragmentation
  
• Version 3.8.4 (2026/01/19)
  - Adjusted the order of creating the tray icon to enhance display stability
  
• Version 3.8.3 (2025/12/27)
  - Enhanced display stability by improving the tray icon display method
  - Fixed duplicate save issue by fixing tray icon description
  
• Version 3.8.2 (2025/12/06)
  - Improved the Windows 11 bug where tray icons stack
  

Related Links

• Update Guide: https://kilho.net/archives/notice/2940
• Bypassing iPhone: https://gnu.kilho.net/tiptech/1330

License

• SecretDNS is Freeware.
• You can freely use it without spatial constraints such as companies, homes, public offices, schools, etc.
• It can be freely distributed anywhere.

Download

• Download from Kilho.net

Frequently Asked Questions (FAQ)

• Why is it good to use recommended options?
  It allows you to easily use features like preventing DNS tampering and circumventing SNI snooping while ensuring speed and security at the same time.
• Does the SNI fragmentation feature slow down speed?
  No, this program only fragments the SNI string to minimize speed loss.
• Does DNS setup change Windows system settings?
  No, it uses its own DNS settings (DNS over HTTPS) without changing Windows settings, ensuring stability and safety.
• What if a specific site is not accessible?
  You can minimize access issues by setting up a whitelist or designated domain list.
• Can it be used without installation?
  Yes, it offers a portable version, allowing you to use it immediately without installation.