Secret DNS

It is a DNS encryption solution.


How to use

  1. Click the "Run" button.


  • DNS over HTTPS To protect your DNS.
  • Bypass SNI EavesdroppingHas been included.
  • SNI string only Fragmentation To minimize speed degradation.
  • WhitelistMinimizes access failures through



  • If you do not want to install it, "SecretSNI" . However, DNS tampering is possible, so it is recommended that you use an overseas DNS.
  • If the program fails to terminate normally, it may not be able to connect to the Internet because it does not act as a DNS server.
    In this case, run the program again.
  • If you can not connect to the Internet at the end of the program, specify the DNS to be used in the configuration.
  • SNI does not work on Windows 7 KB3033929 Security UpdateYou can do it.
    (If you were for less than the security update WinDivert 1.4Please change).
  • If it does not work right after you run it, it may be a DNS cache issue, so you can just close and reopen your browser.


  • June, 2020 May 27,
    - Secret SNI Update
  • June 22nd, 2020
    - DNSCrypt 2.0.44 Update
  • May 19 2020
    - Whitelist Edit Info
  • 11 March 2020
    - Whitelist additional input forms
  • 8 January 2020
    - Add Google DNS (DNS information acquired through Cloudflare, Google)
  • March 9, 2019
    - Fixed bugs related to update check
    - Add whitelist list
  • February 27, 2019
    - Compiler changes
  • February 20, 2019
    - With SNI eavesdropping function
    - Using SecretSNI
    - Added setting function
  • May 7, 2018
    - SecretDNS deployment (DNS over HTTPS, installation type)
    - Using dnscrypt
  • May 5, 2018
    - SecretDNS Lite Deployment (DNS over TLS, single file)
    - Use Cloudflare name server


  • This program is Freeware.
  • It does not matter if you use the space and time freely without restriction, such as company, house, government office, school.
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