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Program info

Estimated safety rating


mdnsresponder.exe is a program which is probably legit. So, if mdnsresponder.exe is on your laptop or desktop computer, it is probably ok, and will NOT cause problems. Even if your system is clean, we still advise you to run a good antivirus with a good detection rate, in order to defend your PC against viruses and malware.

Executable file path

 C:\Program Files\Bonjour\mDNSResponder.exe

Normally, this program is stored in C:\Program Files\Bonjour\mDNSResponder.exe.

MD5 hash of the executable file


The MD5 fingerprint for this file is 5ea9c80f18cbc393ea7d9a2991ded4b5.

Is running as a service


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

Is a 32 bit executable file


This app runs in 32-bit mode. It does not exploit the entire set of features of nowadays' PC processors. This is quite normal because the publishers did not upgrade it to use the x64 instruction set.

File description

 Bonjour Service

The description extracted from the exe is Bonjour Service.

File version


File version stored as a property 3,1,0,1.


 Apple Inc.

Company Apple Inc..


 Copyright (c) 2003-2015 Apple Inc.

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

Potentially dangerous functions


Some insecure features of the Operating System have been used, such as functions for tapping the keyboard. We advise you to read more about this program.

Digitally signed


mdnsresponder.exe is digitally signed. Nowadays most virus-free software applications are digitally signed.

Valid digital signature


The digital signature extracted from mdnsresponder.exe checks out perfectly. This is excellent.

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 a good sign. si are uninstall.