SecretDNS 3.7.9 Update

SecretDNS (3.7.9) has been updated.

※ For SKT users, please check Settings – Other Settings – Fragmentation Extension.

• Using the Recommended Options allows you to only treat necessary sites as exceptions for a smoother experience.

• Minimizes speed reduction by fragmenting only the SNI strings.
• Allows fragmentation and DNS functionality for only specified domains.
• Use DNS servers without changing Windows settings.
• Easily check the accessed domain.
• Can be used in combination with proxy features.
• Available for use without installation.

Website

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

Recommended Options

1. DNS Settings – Encryption (DOH)
2. SNI Settings – Fragmentation (Specify Directly)
3. Specify List – Enter domains to bypass

History

• Version 3.7.9 (2025/10/21)
  - Improved SNI handling method, enhancing stability in certain ISP environments
  - Enhanced compatibility and transmission stability with fragmentation extension feature
  - Improved connection speed by adjusting data transmission order
  
• Version 3.7.8 (2025/10/20)
  - Bug fixes and stability improvements
  
• Version 3.7.7 (2025/10/16)
  - Enhanced stability and compatibility with improved network packet processing
  
• Version 3.7.6 (2025/09/14)
  - Corrected incorrect sentences in update notifications
  - Updated DNSCrypt-proxy to 2.1.14
  
• Version 3.7.5 (2025/08/13)
  - Fixed missing translations in SecretDNS settings
  

Related Links

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

License

• SecretDNS is Freeware.
• You can use it freely in companies, homes, government offices, schools, and any other space.
• It can be freely distributed anywhere.

Download

• Download from KilhoNet

Frequently Asked Questions (FAQ)

• Why is it good to use the recommended options?
  It allows you to easily utilize features like preventing DNS tampering and bypassing SNI eavesdropping while maintaining speed and security.
• Does the SNI fragmentation feature reduce speed?
  No. This program only fragments the SNI strings, minimizing speed reduction.
• Does the DNS setting change Windows system settings?
  No. It uses its own DNS settings (DNS over HTTPS) without altering Windows settings for reliability and safety.
• What can I do if a specific site is not accessible?
  You can minimize access issues by setting a whitelist or a specified domain list.
• Can it be used without installation?
  Yes, a portable version is available, so you can use it right away without any installation steps.