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What is dns.exe?

Part of Domain Name System (DNS) Server by Microsoft

(dns.exe is a system file that is installed with Windows)
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How does dns.exe run?

Service - dns.exe runs as a background Windows service called 'DNS' (DNS Server). This is a system service that is installed with the Windows operating system and protected with Window's File Protection. This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. DNS Server runs as a program that can be started by the Service Controller and that obeys the service control protocol. This type of service runs in a process by itself.


What is the community is seeing?What is the community is doing?
About 0.3% of all Boost users have the dns.exe process running.Of the 0.3% of dns.exe users, less than 1% have disabled it.
How resource intensive is dns.exe?
Comparison based on the average resource utilization across all programs.
0.00034% CPU3431.2%
Average CPU utilization across all programs is 0.00001%.
84.59 MB RAM392.8%
Average private memory utilization across all programs is 21.53 MB.
 2 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
Typical file (disk image) location:

What else is related?

What Windows OS versions does this run on?

Windows Server 2012 Standard Evaluation (6.2.9200.0)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: dns.exe
Publisher: Microsoft Corporation (verified)
Name: Domain Name System (DNS) Server
Description: Microsoft® Windows® Operating System
Version: 6.2.9200.16384 (win8_rtm.120725-1247)
Product version: 6.2.9200.16384
Size: 1.46 MB
Original file name: dns.exe.mui
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0009513325%
Privileged CPU: 0.0006082126%
User CPU: 0.00034311992064%
Privileged CPU time: 608.4 ms
Privileged CPU time /min: 0 ms
CPU cycle count: 336,967,412
CPU cycle count /min: 3,120,880
Memory utilization averages
Committed memory: 121.02 MB
Peak committed memory: 122.55 MB
Paged memory: 84.59 MB
Peak paged memory: 85.4 MB
Paged system memory: 1.22 MB
Non-paged system memory: 7.24 MB
Working set memory: 83.43 MB
Peak working set memory: 83.47 MB
Min working set memory: 83.26 MB
Private memory: 84.59 MB
Page faults: 22,047
Page faults /min: 15
Process I/O averages
Total read operations: 167
Read operations /min: 1
Total read transfer: 18.92 KB
Read transfer /min: 13 Bytes
Total write operations: 170
Write operations /min: 1
Total write transfer: 26.09 KB
Write transfer /min: 18 Bytes
Total other operations: 26,273
Other operations /min: 18
Total other transfer: 132.54 KB
Other Transfer /min: 91 Bytes
Handle count average: 10,180
Thread count average: 11
Thread resource averages

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 64-bit
Runs as a service: Yes
Parent Process
Process Command

Service details

Name: DNS Server
Service name: DNS
Service type: Win32OwnProcess
Description: “Enables DNS clients to resolve DNS names by answering DNS queries and dynamic DNS update requests. If this service is stopped, DNS updates will not occur. If this service is disabled, any services that explicitly depend on it will fail to start.”

Network connectivity

UDP: LISTENING on port 51160
TCP: localhost on port 53

Image hashes

MD5: 41ddbffc7a5a5a849c5898193f8952e2
SHA-1: fa4734a59f65027b80fdeaa74c9e460e22828527

PE image details

CLR assembly: Yes
Langauge*: Microsoft Visual C# / Basic .NET
File packed: No
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