SecretDNS 3.8.0 Update

SecretDNS (3.8.0) has been updated.

• Recommended Options allow you to create exceptions for only necessary sites for a smooth experience.

• Only the SNI strings are fragmented, minimizing speed loss.
• Only specified domains can have SNI fragmentation and DNS functionality.
• Use a specified DNS server without changing Windows settings.
• Easily check the domains you connect to.
• Can be used in conjunction with a proxy feature.
• Available for use without installation.

Homepage

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

Recommended Options

1. DNS Setting – Encryption (DOH)
2. SNI Setting – Fragmentation (User Defined)
3. Whitelist – Enter domains to bypass

History

• Version 3.8.0 (2025/10/25)
  - Fixed connection errors for some sites with improved SNI handling
  - Automatic application of fragmentation expansion for SK internet users
  
• Version 3.7.9 (2025/10/21)
  - Improved stability in some ISP environments with better SNI handling
  - Enhanced compatibility and transmission stability with fragmentation expansion
  - 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)
  - Improved stability and compatibility with network packet handling
  
• Version 3.7.6 (2025/09/14)
  - Corrected errors in update notifications
  - Updated DNSCrpyt-proxy to version 2.1.14
  

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 at home, in the office, or at school.
• It can be freely distributed anywhere.

Download

• Download from Kilho.net

Frequently Asked Questions (FAQ)

• Why is it good to use recommended options?
  You can easily utilize features like DNS spoofing prevention and SNI traffic bypass while maintaining speed and security.
• Does the SNI fragmentation feature slow down connection speeds?
  No. This program only fragments the SNI strings, minimizing any potential speed loss.
• Will the DNS settings change Windows system settings?
  No. It uses its own DNS settings (DNS over HTTPS) without changing Windows settings, ensuring stability and safety.
• What should I do if a specific site cannot be accessed?
  You can minimize access issues by setting a whitelist or domain list.
• Can it be used without installation?
  Yes. A portable version is provided, so you can use it immediately without installation.