SecretDNS 3.8.7 Update

SecretDNS (3.8.7) has been updated.

• Recommended Options allow you to use only the necessary sites as exceptions for a smoother experience.

• Minimizes speed degradation by only fragmenting SNI strings.
• Only specified domains can be utilized for SNI fragmentation and DNS functions.
• Utilizes a DNS server without changing Windows settings.
• Easily check the domain you are connected to.
• Can be used in conjunction with proxy functions.
• No installation required.

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 3.8.7 (2026/03/17)
  - Improved execution and termination operations through structural organization
  - Enhanced handling of exceptions/specified lists during execution
  - Improved network operation stability
  
• Version 3.8.6 (2026/02/25)
  - Minimized exceptions by organizing logic for automatic start settings
  
• Version 3.8.5 (2026/02/05)
  - Improved stable operation when failing to retrieve internet information
  - Added fragmentation extension feature for LG Internet users
  
• Version 3.8.4 (2026/01/19)
  - Adjusted the order of tray icon creation for improved display stability
  
• Version 3.8.3 (2025/12/27)
  - Enhanced tray icon display method for increased display stability
  - Fixed duplicate storage issue by locking tray icon descriptions
  

Related Links

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

License

• SecretDNS is Freeware.
• You can use it freely without spatial constraints in offices, homes, public offices, schools, and more.
• It can be freely distributed anywhere.

Download

• Download from Kilho.net

Frequently Asked Questions (FAQ)

• Why is it good to use recommended options?
  By using features like DNS tampering prevention and SNI traffic bypass, you can enjoy both speed and security.
• Does the SNI fragmentation feature slow down performance?
  No, this program minimizes speed degradation by only fragmenting SNI strings.
• Does the DNS setup change Windows system settings?
  No, it uses its own DNS settings (DNS over HTTPS) without changing Windows settings for stability and security.
• What should I do if a specific site cannot be accessed?
  You can minimize access issues by setting a whitelist or a specified domain list.
• Can it be used without installation?
  Yes, there is a portable version available that allows for immediate use without installation.