SecretDNS 3.8.8 Update

The SecretDNS (3.8.8) has been updated.

• Recommended Options allow you to use only the necessary sites while providing an enjoyable experience.

• Only SNI strings are fragmented, minimizing speed reduction.
• Only specified domains can perform SNI fragmentation and DNS functionalities.
• Use the DNS server without changing Windows settings.
• Easily check the domains you’re connected to.
• Can be used in combination with proxy features.
• No installation required.

Homepage

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

Recommended Options

1. DNS Settings - Encryption (DOH)
2. SNI Settings - Fragmentation (Custom)
3. Designated List - Input domains to bypass

History

• Version 3.8.8 (2026/04/06)
  - Improved to prevent conflicts caused by incorrect operation of Fasoo DRM
  - Significantly added frequently used sites to the whitelist to enhance connection smoothness
  - Improved the whitelist processing method for a more organized setting application flow
  - Separated user list and default list to enhance stability
  - Provided stable execution environment in various settings
  
• Version 3.8.7 (2026/03/17)
  - Organized internal structure to enhance execution and termination operations
  - Improved exception/designated list handling during execution
  - Improved network operation stability
  
• Version 3.8.6 (2026/02/25)
  - Organized logic for the auto start settings to minimize exceptions
  
• Version 3.8.5 (2026/02/05)
  - Improved to operate stably when internet information retrieval fails
  - Added fragmentation extension function for LG internet users
  
• Version 3.8.4 (2026/01/19)
  - Adjusted the order of tray icon creation to enhance display stability
  

Related Links

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

License

• SecretDNS is Freeware.
• You can use it anywhere, including homes, offices, and schools, without any restrictions.
• Free distribution is allowed anywhere.

Download

• Download from Kilho.net
• Download for Android

Frequently Asked Questions (FAQ)

• Why is it good to use recommended options?
  Prevent DNS tampering and bypass SNI eavesdropping easily while ensuring speed and security at the same time.
• Does SNI fragmentation affect speed?
  No. This program minimizes speed degradation by only fragmenting the SNI strings.
• Does the DNS setting change Windows system settings?
  No. It uses its own DNS settings (DNS over HTTPS) without changing Windows settings, making it stable and secure.
• What should I do if a specific site cannot be accessed?
  You can minimize connection issues by setting whitelists or designated domain lists.
• Can it be used without installation?
  Yes. A portable version is available, so you can use it immediately without any installation process.