SecretDNS 3.8.2 Update

SecretDNS (3.8.2) has been updated.

• Recommended Options can be used to make exceptions for only necessary sites, allowing for a pleasant experience.

• SNI strings are only fragmented to minimize speed reduction.
• Only designated domains can perform SNI fragmentation and DNS functions.
• Uses DNS servers specified without changing Windows settings.
• Easily check the domains you have accessed.
• Can be used in conjunction 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. Designated List - Enter domains to bypass

History

• Version 3.8.2 (2025/12/06)
  - Improved the bug where the tray icon stacked in Windows 11
  
• Version 3.8.1 (2025/11/14)
  - Fixed the issue where the program would terminate during temporary DNS server errors
  - Enhanced network stability to improve overall connection quality.
  
• Version 3.8.0 (2025/10/25)
  - Fixed access errors to some sites by improving SNI processing method
  - Automatically applied fragmentation expansion feature for SK Internet users
  
• Version 3.7.9 (2025/10/21)
  - Enhanced stability in certain ISP environments by improving SNI processing method
  - Improved compatibility and transmission stability with fragmentation expansion feature
  - Improved access speed by adjusting the order of data transmission
  
• Version 3.7.8 (2025/10/20)
  - Bug fixes and stability improvements
  

Related Links

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

License

• SecretDNS is Freeware.
• You can use it freely without space constraints in companies, homes, 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 you to easily take advantage of features like DNS tampering prevention and SNI eavesdropping bypass while ensuring speed and security.
• Does the SNI fragmentation feature degrade speed?
  No. This program only fragments SNI strings to minimize speed reduction.
• Does the DNS setting change the Windows system settings?
  No. It uses its own DNS settings (DNS over HTTPS) without changing Windows settings, providing stability and security.
• What should I do if I can’t access a specific site?
  You can minimize access issues by setting up a whitelist or designated domain list.
• Can I use it without installation?
  Yes. It provides a no-install version that can be used immediately without the installation process.