SecretDNS 3.8.9 Update

The SecretDNS (3.8.9) has been updated.

• Recommended Options allow for exceptions on necessary sites for a smoother experience.

• Minimizes speed degradation by fragmenting only the SNI string.
• Only specified domains can undergo SNI fragmentation and DNS functionality.
• Utilizes DNS servers without changing Windows settings.
• Allows easy verification of connected domains.
• Can be used in combination with proxy functions.
• Can be used without installation.

Homepage

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

Recommended Options

1. DNS Settings - Encryption (DOH)
2. SNI Settings - Fragmentation (User Defined)
3. Specify List - Input domains to bypass

History

• Version 3.8.9 (2026/04/28)
  - Improved issues related to termination and restart that occurred in some user environments.
  - Strengthened delay and exception handling in certain PCs.
  - Enhanced overall stability and operational reliability.
  
• Version 3.8.8 (2026/04/06)
  - Improved to prevent crashes caused by incorrect operations of Fasoo DRM in advance.
  - Significantly increased frequently visited sites on the whitelist for smoother access.
  - Streamlined the configuration application process by improving the handling of the whitelist.
  - Separated user lists from the default list to enhance operational stability.
  - Provided a stable execution environment across various settings.
  
• Version 3.8.7 (2026/03/17)
  - Improved execution and termination actions through restructuring.
  - Enhanced the processing method for exceptions and defined lists during operation.
  - Improved network operation stability.
  
• Version 3.8.6 (2026/02/25)
  - Organized logic for applying auto start settings to minimize exceptions.
  
• Version 3.8.5 (2026/02/05)
  - Improved to function reliably in case of internet information retrieval failure.
  - Added extension functionality for fragmentation for LG internet users.
  

Related Links

• Update Notice: https://kilho.net/archives/notice/2940
• iPhone Bypass: https://gnu.kilho.net/tiptech/1330

License

• SecretDNS is Freeware.
• Can be used freely in various environments like companies, homes, government offices, schools, etc.
• Can be freely distributed anywhere.

Download

• Download from Kilho.net
• Download for Android

Frequently Asked Questions (FAQ)

• Why is the recommended option good to use?
  It allows easy access to features such as DNS spoofing prevention and SNI traffic bypass while ensuring speed and security.
• Does the SNI fragmentation feature degrade speed?
  No. This program only fragments the SNI string to minimize speed loss.
• Does the DNS setting change Windows system settings?
  No. It does not change Windows settings and uses its own DNS settings (DNS over HTTPS) for stability and security.
• What should I do if a specific site cannot be accessed?
  Setting up a whitelist or a specified domain list can minimize access issues.
• Can it be used without installation?
  Yes. It offers a portable version, which can be used without any installation process.