DynDNS Password Decryptor : Free Desktop Tool to Recover DynDNS Password
DynDNS Password Decryptor
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DynDNS Password Decryptor is a free desktop tool to instantly decode and recover DynDNS password.

DynDNS - a popuar Dynamic DNS management solution offering enterprise-level DNS performance and reliability. This tool automatically detects locally installed 'DynDNS Updater Client' and displays the configuration file ('config.dyndns')

It supports dual mode of password recovery. You can either enter the encrypted DynDNS password directly or specify the DynDNS configuration file. In second case, it will find the username/password from the config file and decrypt it instantly.

You can also use it to recover the password from DynDNS config file of another system. In such case, you can either enter the encrypted password or the config file path manually.

DynDNS Password Decryptor works on all windows systems starting from Windows XP to Windows 10.

  • Free Desktop tool to quickly recover DynDNS password
  • Supports direct password decryption as well as recovery from DynDNS configuration file.
  • Recovers password of any length & complexity
  • Automatically copy the decrypted password to clipboard
  • Very easy to use with nice GUI interface.
  • Installer for local Installation & Uninstallation.
DynDNS Password Location
'DynDNS Updater Client' stores the username & password in the configuration file 'config.dyndns' at following location
[Windows XP/2003]
C:\Documents and Settings\All Users\Application Data\Dyn\Updater\

[Windows Vista/Windows 7/Windows 8]
Once you find the config file, you can just 'Drag & Drop' it onto DynDNS Password Decryptor to recover the password.
Installation & Un-installation
DynDNS Password Decryptor comes with Installer to help in local installation & un-installation. This installer has intuitive wizard which guides you through series of steps in completion of installation.
At any point of time, you can uninstall the product using the Uninstaller located at following location (by default)
[Windows 32 bit]
C:\Program Files\SecurityXploded\DynDNSPasswordDecryptor

[Windows 64 bit]
C:\Program Files (x86)\SecurityXploded\DynDNSPasswordDecryptor
How to use?
It is very easy to use tool with its nice GUI interface.

Here are simple steps

  • Run 'DynDNS Password Decryptor' on your system after installation.
  • If 'DynDNS Updater'
  • is installed then it will automatically find and display the Config file ('config.dyndns') path.
  • Else you can select 'Encrypted Password' option if you have the password else select 'DynDNS Config File' if you have the DynDNS configuration file.
  • Next enter the password or configuration file path based on the previous option
  • Finally click on 'Decrypt Password' button and tool will instantly display the decrypted password as shown in the screenshots below.
You can also copy the DynDNS config file from another system and specify here to recover any password from the file.
Screenshot 1: DynDNS Password Decryptor is showing the decrypted DynDNS Password
Screenshot 2: Showing Username & Password recovered from the DynDNS configuration file.

'DynDNS Password Decryptor ' is designed with good intention to recover the Lost 'DynDNS Password.

Like any other tool its use either good or bad, depends upon the user who uses it. However neither author nor SecurityXploded is in anyway responsible for damages or impact caused due to misuse of DynDNS Password Decryptor.

Read our complete 'License & Disclaimer' policy here.


Special Thanks to Shubham Dawra for the excellent work on password decryption algorithm of DynDNS.

Release History
Version 3.0:  16th Feb 2017
Added Copy Button to quickly copy the decrypted password to clipboard
Version 2.0:  12th Jun 2014
Added Copy Button to quickly copy the decrypted password to clipboard
Version 1.5:  14th May 2013
Added Copy Button to quickly copy the decrypted password to clipboard
Version 1.0:  28th Mar 2013
First public release of DynDNS Password Decryptor.
FREE Download DynDNS Password Decryptor v3.0

License  : Freeware
Platform : Windows XP, 2003, Vista, Windows 7, Windows 8, Windows 10


See Also