SecretDNS 4.0.6 Update

Update

• Changed existing options to reset to defaults once when updating
• Prevented updates from overwriting user-configured DNS lists

• Only specified domains can perform SNI fragmentation.
• Secure your DNS with DNS over HTTPS.
• The ability to bypass SNI eavesdropping (HTTP/HTTPS) is included.
• Fragmentation of only the SNI string to minimize slowdown.
• Minimize access problems through whitelisting.
• It is used by specifying a DNS server through packet bypass without changing Windows settings.
• You can easily check the information of the accessed site.

• Recommended Options let you add exceptions for only the sites you need for a smoother experience.

Homepage

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

Recommended Options

1. DNS settings – Encryption (DoH)
2. SNI settings – Fragmentation (Specify manually)
3. Specified list – Enter the domains to apply

History

• Version 4.0.5 (2026/09/15)
  • Improved VPN stability with automatic server switching
  • Made VPN activity easier to identify in connection history
• Version 4.0.4 (2026/09/14)
  • Improved the update process and automatic startup reliability
  • Redesigned Proxy Mix completely for more stable connections
  • Added an easy way to choose and edit websites that use Proxy Mix
  • Added saving of Proxy Mix preferences between app launches
  • Added options to add and select your preferred DNS servers
  • Improved encrypted DNS connectivity in some network environments
  • Added domain address support and a new Cloudflare endpoint
  • Added clearer guidance for selecting another server when encrypted DNS fails
  • Made DNS settings easier to understand and use
  • Simplified connection status messages for better clarity
• Version 4.0.2 (2026/09/04)
  • Fixed intermittent internet interruptions on certain networks
  • Improved connection continuity without requiring users to turn off SecretDNS
  • Added automatic DNS server switching for a more reliable connection
  • Improved website access during temporary DNS errors and traffic spikes
  • Added automatic restoration of encrypted connections when the network becomes stable
• Version 4.0.1 (2026/08/25)
  • Fixed internet issues after startup on some PCs
  • Improved connectivity after sleep, VPN, or Wi-Fi changes
  • Added automatic recovery for internet outages
  • Improved DNS connectivity for Windows and some websites
  • Improved connection and recovery status messages

License

• SecretDNS is freeware.
• You can use it freely in offices, homes, government offices, schools, and other locations.
• You may distribute it freely anywhere.

Download

Frequently Asked Questions (FAQ)

• Why should I use the Recommended Options?
  You can easily use features such as DNS tampering protection and SNI eavesdropping prevention while maintaining both speed and security.
• Does the SNI fragmentation feature slow things down?
  No. This program fragments only the SNI string, minimizing any slowdown.
• Do the DNS settings change Windows system settings?
  No. It uses its own DNS settings (DNS over HTTPS) without changing Windows settings, making it stable and secure.
• What should I do if I can’t access a particular site?
  You can minimize access issues by configuring a whitelist or a list of specified domains.
• Can I use it without installing it?
  Yes. A portable version is available, so you can use it right away without installation.

Related Links

• Update information: https://kilho.top/archives/notice/2940
• iPhone settings: https://kilho.top/forum/tiptech/1330