Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 0.85%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.05%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.65%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.05%
6.3.9600.16384 (winblue_rtm.130821-1623) 2.35%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.15%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.05%
6.2.9200.16384 (win8_rtm.120725-1247) 0.85%
6.2.9200.16384 (win8_rtm.120725-1247) 0.70%
6.2.9200.16384 (win8_rtm.120725-1247) 1.70%
6.2.9200.16384 (win8_rtm.120725-1247) 11.69%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.10%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.10%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.05%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.10%
6.1.7600.16385 (win7_rtm.090713-1255) 30.28%
6.1.7600.16385 (win7_rtm.090713-1255) 2.95%
6.1.7600.16385 (win7_rtm.090713-1255) 1.30%
6.1.7600.16385 (win7_rtm.090713-1255) 2.50%
6.1.7600.16385 (win7_rtm.090713-1255) 3.35%
6.1.7600.16385 (win7_rtm.090713-1255) 15.39%
6.1.7600.16385 (win7_rtm.090713-1255) 2.30%
6.1.7600.16385 (win7_rtm.090713-1255) 0.80%
6.1.7600.16385 (win7_rtm.090713-1255) 0.05%
6.0.6000.16386 (vista_rtm.061101-2205) 1.15%
View more

dnsrslvr.dll

DNS Caching Resolver Service by Microsoft

Remove dnsrslvr.dll
Version:   5.1.2600.3316 (xpsp_sp2_gdr.080219-1316)
MD5:   aac8ffbfd61e784fa3bac851d4a0bd5f
SHA1:   06376bf5e2e0f04d797798c8959e72c8b024696d
SHA256:   f811288ac18db28d9577ea9b40810de000fc28ef234d1a790dd0578e0d565ebc
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is dnsrslvr.dll?

The caching resolver reduces DNS network traffic and speeds name resolution by providing a local cache for DNS queries.

About dnsrslvr.dll (from Microsoft)

Name query responses are cached for the TTL specified in the response (not to exceed the value specified in the MaxCacheEntryTtlLimit registry entry (HKLM\SYSTEM\CurrentControlSet\Services\Dnscache\

DetailsDetails

File name:dnsrslvr.dll
Publisher:Microsoft Corporation
Product name:DNS Caching Resolver Service
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\dnsrslvr.dll
Original name:dnsrslvr.dll.mui
File version:5.1.2600.3316 (xpsp_sp2_gdr.080219-1316)
Product version:5.1.2600.3316
Size:44.5 KB (45,568 bytes)
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

BehaviorsBehaviors

Hosted services
Runs as a shared service under the Windows svcHost
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'
  • Shared name is 'Dnscache'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 52.50%
Windows 7 Ultimate 29.00%
Windows 7 Professional 10.50%
Windows 7 Home Basic 3.00%
Windows 7 Starter 1.50%
Windows 8 Pro 1.00%
Windows Vista Home Premium 0.50%
Windows 7 Enterprise 0.50%
Windows Se7en Titan 0.50%
Windows 8 Pro with Media Center 0.50%
Windows Vista Business 0.50%

Distribution by countryDistribution by country

United States installs about 40.40% of DNS Caching Resolver Service.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 24.06%
ASUS 15.04%
Hewlett-Packard 14.29%
Acer 13.53%
Toshiba 11.28%
Sony 4.51%
Lenovo 4.51%
Samsung 2.26%
GIGABYTE 2.26%
Intel 2.26%
MSI 1.50%
Alienware 1.13%
Medion 0.75%
Gateway 0.75%
NEC 0.75%
Compaq 0.75%
Sahara 0.38%
Should I remove It? Clean your PC of unwanted adware, toolbars and bloatware.

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