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Program info

Estimated safety rating


mdnsresponder.exe is a program which is most likely legit. So, if mdnsresponder.exe is on your laptop or desktop computer, it is most likely ok, and will NOT cause problems. Even if your PC is virus-free, it is still recommended to run a well-known antivirus with a good detection rate, in order to yourself yourself against potential security problems.

Executable file path

 C:\Program Files\Bonjour\mDNSResponder.exe

This application is normally found on disk in C:\Program Files\Bonjour\mDNSResponder.exe.

MD5 hash of the executable file


The MD5 checksum for this executable is b5c2f92ee1106dfe7bb1cce4d35b6037.

Is running as a service


This program is a Windows service. This means it runs on your PC in background, usually without displaying anything to you. Most Windows services are useful programs, which perform useful features to other programs or to the Windows Operating System.

Accepts incoming connections


mdnsresponder.exe appears to act as a net server. This means other computers can probably make connections to it. This is sometimes ok, but in some situations it can facilitate a security breach. We advise evaluating this carefully.

Accesses the internet


This application uses the net to communicate. In this day and age this is quite normal. For example, most of the programs on your PC check for new updates. In order to do this, Internet communications are necessary.

Is a 64 bit executable file


This is a 64-bit executable. It runs using the full capacity of nowadays' computer processors.

File description

 Bonjour Service

The description stored in the file is Bonjour Service.

File version


File version 3,1,0,1.


 Apple Inc.

Publisher Apple Inc..


 Copyright (c) 2003-2015 Apple Inc.

Copyright notice Copyright (c) 2003-2015 Apple Inc..

Potentially dangerous functions


Some dangerous features of Windows appear to be used, such as functions for tapping the keyboard. We recommend you to perform more in-depth research about this program.

Digitally signed


mdnsresponder.exe has a digital signature. Nowadays the large majority of serious programs are digitally signed.

Valid digital signature


The digital signature found in mdnsresponder.exe checks out perfectly. This is very good.

Certifier name

 Apple Inc.

Digital certificate name: Apple Inc.

Issuer name

 VeriSign Class 3 Code Signing 2010 CA

Certificate's issuer name: VeriSign Class 3 Code Signing 2010 CA

Can be uninstalled


It has an uninstall routine, which is good. si are uninstall.