SecretDNS 3.8.9 Update

The SecretDNS (3.8.9) has been updated.

• Recommended Options allow you to user whitelist only specific sites, ensuring a smooth browsing experience.

• Only the SNI strings are fragmented to minimize speed reduction.
• Only designated domains can perform SNI fragmentation and DNS functions.
• Use a DNS server without changing Windows settings.
• Easily check the domains you connect to.
• Can be used combined 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 (Manual)
3. Designated List – Input domains to bypass

History

• Version 3.8.9 (2026/04/28)
  - Improved issues with crashes and reboots occurring in some user environments
  - Strengthened responses to delays and exceptions that were appearing on certain PCs
  - Enhanced overall stability and operational reliability
  
• Version 3.8.8 (2026/04/06)
  - Improved to prevent crashes caused by incorrect behavior of Fasoo DRM
  - Significantly added frequently used sites to the whitelist for smoother access
  - Improved whitelist processing to streamline settings application
  - Separated user list and default list for a more stable operational structure
  - Provided a reliable execution environment across various conditions
  
• Version 3.8.7 (2026/03/17)
  - Improved execution and termination actions through internal restructuring
  - Enhanced processing methods for exceptions/designated lists during execution
  - Improved network operation stability
  
• Version 3.8.6 (2026/02/25)
  - Streamlined logic for automatic start settings to minimize exceptions
  
• Version 3.8.5 (2026/02/05)
  - Improved stability during failures to retrieve internet information
  - Added fragmentation extension functionality for LG internet users
  

Related Links

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

License

• SecretDNS is Freeware.
• You can freely use it in any space, such as companies, homes, public offices, schools, etc.
• You can freely distribute it anywhere.

Download

• Download from Kilho.net
• Download for Android

Frequently Asked Questions (FAQ)

• Why is it beneficial to use recommended options?
  You can easily utilize features such as protection against DNS manipulation and bypassing SNI eavesdropping while ensuring both speed and security.
• Does SNI fragmentation decrease speed?
  No, this program fragments only the SNI strings to minimize speed reduction.
• 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 safety.
• What should I do if a specific site is inaccessible?
  You can minimize connection issues by setting the whitelist or designated domain list.
• Can it be used without installation?
  Yes, it offers a portable version for immediate use without installation.