SecretDNS 3.8.7 Update

The SecretDNS (3.8.7) has been updated.

• Recommended Options allow for a smooth experience by only applying exceptions for necessary websites.

• Only SNI strings are fragmented to minimize speed reduction.
• Only specified domains can utilize SNI fragmentation and DNS functionality.
• Use DNS servers without changing Windows settings.
• Easily check the domain you are connected to.
• Can be used in conjunction with proxy features.
• No installation required.

Homepage

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

Recommended Options

1. DNS Settings - Encryption (DOH)
2. SNI Settings - Fragmentation (User-defined)
3. Specified List - Enter domains to bypass

History

• Version 3.8.7 (2026/03/17)
  - Improved execution and termination through internal structure organization
  - Enhanced exception/user-defined list processing
  - Improved network operation stability
  
• Version 3.8.6 (2026/02/25)
  - Organized auto-start setting logic to minimize exceptional situations
  
• Version 3.8.5 (2026/02/05)
  - Improved operation in case of failure to retrieve internet information
  - Added fragmentation expansion feature for LG internet users
  
• Version 3.8.4 (2026/01/19)
  - Adjusted the order of tray icon creation to enhance display stability
  
• Version 3.8.3 (2025/12/27)
  - Improved tray icon display method to enhance display stability
  - Fixed duplicate storage issue by locking tray icon descriptions
  

Related Links

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

License

• SecretDNS is Freeware.
• It can be used freely in any location: company, home, government 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 easy access to features like DNS tampering prevention and SNI eavesdropping bypass while ensuring speed and security.
• Does SNI fragmentation slow down my connection?
  No. This program only fragments SNI strings to minimize speed reduction.
• Does changing DNS settings alter Windows system settings?
  No. It uses its own DNS settings (DNS over HTTPS) without changing Windows settings, ensuring reliability and security.
• What should I do if a specific site won't connect?
  You can minimize access issues by setting up a whitelist or specified domain list.
• Can it be used without installation?
  Yes. It provides a portable version, so you can use it without any installation process.