SecretDNS 3.9.3 Update

SecretDNS (3.9.3) has been updated.

• Recommended Options allow you to create exceptions for only the necessary sites, enabling more comfortable usage.

• Only SNI strings are fragmented to minimize speed degradation.
• Only specified domains can utilize SNI fragmentation and DNS features.
• You can set the DNS server without changing Windows settings.
• Easy verification of connected domains.
• Use in conjunction with proxy features.
• Can be used without installation.

Homepage

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

Recommended Options

1. DNS Settings – Encryption (DOH)
2. SNI Settings – Fragmentation (Manual)
3. Specified List – Enter domains to bypass

History

• Version 3.9.3 (2026/07/30)
  - Improved compatibility for YouTube and Google video playback
  - Addressed connection issues in some IPv6 network environments
  - Prevented unexpected termination due to abnormal server responses
  - Enhanced Chrome settings handling stability
  
• Version 3.9.2 (2026/07/07)
  - Added new disguised packet option for better block environment support
  - Enhanced connection success rate and stability in certain networks
  - Improved compatibility in various environments with the latest bypass methods
  - Added a simpler option to enable and disable disguised packet features in settings
  
• Version 3.9.1 (2026/06/12)
  - Extended fragmentation functionality for all internet environments including KT users
  - Changed to activate fragmentation extension by default during new installations
  
• Version 3.9.0 (2026/05/23)
  - Addressed execution and display issues due to certain security programs like nProtect, Fasoo, MarkAny
  - Removed loading indicators that could conflict with certain security programs
  - Improved usability even in environments with security program issues
  
• Version 3.8.9 (2026/04/28)
  - Improved termination and restart issues occurring in some user environments
  - Strengthened responses to delays and exceptions observed on specific PCs
  - Enhanced overall stability and operational reliability
  

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 any space restrictions such as in companies, homes, government offices, schools, etc.
• It can be freely distributed anywhere.

Download

• Download from Kilho.net
• Download for Android

Frequently Asked Questions (FAQ)

• Why is it good to use recommended options?
  It allows easy access to features like DNS tampering prevention and SNI snooping bypass while ensuring both speed and security.
• Does the SNI fragmentation feature degrade speed?
  No. This program only fragments the SNI strings to minimize speed degradation.
• Does the DNS setting change Windows system settings?
  No. It uses its own DNS settings (DNS over HTTPS) without changing Windows settings, ensuring stability and security.
• What to do if a specific site cannot be accessed?
  Setting a whitelist or a specified domain list can minimize access issues.
• Can it be used without installation?
  Yes. The no-install version is provided, allowing immediate use without the installation process.