Windows 7 DLL File Information - dnshc.dll

The following DLL report was generated by automatic DLL script that scanned and loaded all DLL files in the system32 directory of Windows 7, extracted the information from them, and then saved it into HTML reports. If you want to view a report of another DLL, go to the main page of this Web site.

General Information

File Description:	DNS Helper Class
File Version:	6.1.7100.0 (winmain_win7rc.090421-1700)
Company:	Microsoft Corporation
Product Name:	Microsoft Windows Operating System
DLL popularity	Very Low - There is no any other DLL in system32 directory that is statically linked to this file.
File Size:	78 KB
Total Number of Exported Functions:	4
Total Number of Exported Functions With Names:	4

Section Headers

Name	Virtual Address	Raw Data Size	% of File	Characteristics	Section Contains...
.text	0x00001000	70,656 Bytes	87.9%	Read, Execute	Code
.data	0x00013000	1,536 Bytes	1.9%	Write, Read	Initialized Data
.rsrc	0x00014000	3,072 Bytes	3.8%	Read	Initialized Data
.reloc	0x00015000	4,096 Bytes	5.1%	Read, Discardable	Initialized Data

Static Linking

dnshc.dll is statically linked to the following files:

msvcrt.dll
ntdll.dll
KERNEL32.dll
ADVAPI32.dll
USER32.dll
ole32.dll
OLEAUT32.dll
IPHLPAPI.DLL
NETAPI32.dll
WS2_32.dll
DNSAPI.dll

This means that when dnshc.dll is loaded, the above files are automatically loaded too. If one of these files is corrupted or missing, dnshc.dll won't be loaded.

General Resources Information

Resource Type	Number of Items	Total Size	% of File
Icons	0	0 Bytes	0.0%
Animated Icons	0	0 Bytes	0.0%
Cursors	0	0 Bytes	0.0%
Animated Cursors	0	0 Bytes	0.0%
Bitmaps	0	0 Bytes	0.0%
AVI Files	0	0 Bytes	0.0%
Dialog-Boxes	0	0 Bytes	0.0%
HTML Related Files	0	0 Bytes	0.0%
Menus	0	0 Bytes	0.0%
Strings	32	5,204 Bytes	6.5%
Type Libraries	1	1,044 Bytes	1.3%
Manifest	0	0 Bytes	0.0%
All Others	3	1,395 Bytes	1.7%
Total	36	7,643 Bytes	9.5%

Icons in this file

No icons found in this file

Cursors in this file

No cursors found in this file

Dialog-boxes list (up to 200 dialogs)

No dialog resources in this file.

String resources in this dll (up to 200 strings)

String ID	String Text
100	dnsHC
501	Your DNS server might be unavailable Windows cant find the host name "%s" using DNS.
502	No DNS servers are configured
503	This computer doesnt have a network adapter installed and configured
504	This computer doesnt have a working network connection
505	The name "%s" could not be resolved Windows sent the request to the DNS server and the server responded that the name was unknown.
506	There is a problem with the DNS server Windows attempted to find the well-known host "%s" using DNS, but the server responded that the name was unknown.
507	Your DNS server might be unavailable Windows cant find the well-known host "%s" using DNS.
508	Windows can't find a computer or device named "%s" Windows can communicate with the name resolution server but can't find the host name.
509	This computer is configured with an invalid DNS suffix
510	The DNS server isnt responding
511	The DNS server isnt responding Your computer is trying to use a DNS server that is incorrect or doesnt exist.
512	The name resolution policy table is corrupted DNS resolution wont work until it is fixed.
601	primary DNS server
603	No network connection
701	Make sure the name "%s" is spelled correctly Windows cant find the name you specified.
702	Contact your network administrator or Internet Service Provider The DNS server may be experiencing problems. Windows Help and Support can provide more information about DNS.
703	Make sure the name "%s" is spelled correctly and the computer is available on the network If the computer youre trying to reach is nearby, make sure it is turned on and connected to the network. Contact your network administrator for more assistance.
704	Make sure the name "%s" is spelled correctly. Windows could not find the name you specified.
705	Make sure the computer or device is turned on and connected to the network Windows cant find "%s". If the computer or device you are trying to reach is nearby, make sure it is turned on and connected to the network. Otherwise, contact your network administrator for assistance.
706	Try connecting to "www.%s" You must include "www" at the beginning of the name.
707	Contact your network administrator The DNS server isnt responding.
708	Contact your network administrator Your computer is trying to use a DNS server that is incorrect or doesnt exist.
709	Contact your network administrator The name resolution policy table has been corrupted.
1000	DNSHelperClass helps diagnose DNS client issues
5000	name resolution
6001	name resolution
6002	no records
6003	hostname
6004	invalid hostname

COM Classes/Interfaces

There is no type library in this file with COM classes/interfaces information

Exported Functions List

The following functions are exported by this dll:

DllCanUnloadNow

DllGetClassObject

DllRegisterServer

DllUnregisterServer

Imported Functions List

The following functions are imported by this dll:

• msvcrt.dll:
  

  _CxxThrowException

  _XcptFilter

  __CxxFrameHandler

  __dllonexit

  _amsg_exit

  _callnewh

  _errno

  _except_handler4_common

  _initterm

  _lock

  _onexit

  _purecall

  _unlock

  _vscwprintf

  _vsnwprintf

  calloc

  free

  malloc

  memcpy

  memcpy_s

  memmove_s

  memset

  public: __thiscall exception::exception(char const * const &)

  public: __thiscall exception::exception(class exception const &)

  public: __thiscall exception::exception(void)

  public: virtual __thiscall exception::~exception(void)

  public: virtual __thiscall type_info::~type_info(void)

  public: virtual char const * __thiscall exception::what(void)const

  realloc

  void __cdecl terminate(void)

  vswprintf_s

  wcscat_s

  wcschr

  wcscpy_s

  wcsncmp

  wcsncpy_s

  wcsnlen

  wcsstr

• ntdll.dll:
  

  RtlIpv4AddressToStringW

  RtlIpv6AddressToStringW

• KERNEL32.dll:
  

  CloseHandle	CreateThread	DisableThreadLibraryCalls
  ExpandEnvironmentStringsW	FindResourceExW	FindResourceW
  FormatMessageW	FreeLibrary	GetCurrentProcess
  GetCurrentProcessId	GetCurrentThreadId	GetLastError
  GetModuleFileNameW	GetModuleHandleW	GetProcAddress
  GetProcessHeap	GetSystemTimeAsFileTime	GetThreadLocale
  GetTickCount	GetVersionExA	HeapDestroy
  HeapFree	InterlockedCompareExchange	InterlockedDecrement
  InterlockedExchange	InterlockedIncrement	LoadLibraryExW
  LoadLibraryW	LoadResource	LocalFree
  LockResource	MultiByteToWideChar	OutputDebugStringA
  QueryPerformanceCounter	RaiseException	SetThreadLocale
  SetUnhandledExceptionFilter	SizeofResource	Sleep
  TerminateProcess	UnhandledExceptionFilter	WaitForMultipleObjectsEx
  WaitForSingleObjectEx	lstrcmpiW	lstrlen
  lstrlenW	ntdll!RtlAllocateHeap	ntdll!RtlDeleteCriticalSection
  ntdll!RtlEnterCriticalSection	ntdll!RtlExitUserThread	ntdll!RtlInitializeCriticalSection
  ntdll!RtlLeaveCriticalSection	ntdll!RtlReAllocateHeap	ntdll!RtlSizeHeap

• ADVAPI32.dll:
  

  IsValidSid	RegCloseKey	RegCreateKeyExW
  RegDeleteValueW	RegEnumKeyExW	RegOpenKeyExW
  RegQueryInfoKeyW	RegQueryValueExW	RegSetValueExW
  ntdll!EtwEventActivityIdControl	ntdll!EtwEventRegister	ntdll!EtwEventUnregister
  ntdll!EtwEventWrite	ntdll!EtwEventWriteTransfer

• USER32.dll:
  

  CharNextW

  LoadStringW

  UnregisterClassA

• ole32.dll:
  

  CLSIDFromString	CoCreateInstance	CoTaskMemAlloc	CoTaskMemFree
  CoTaskMemRealloc	StringFromGUID2

• OLEAUT32.dll:
  

  LoadTypeLib	RegisterTypeLib	SysAllocString	SysFreeString
  SysStringLen	UnRegisterTypeLib	VarUI4FromStr

• IPHLPAPI.DLL:
  

  ConvertInterfaceGuidToLuid

  ConvertInterfaceLuidToIndex

  GetAdaptersAddresses

  GetNetworkParams

• NETAPI32.dll:
  

  dsrole!DsRoleFreeMemory

  dsrole!DsRoleGetPrimaryDomainInformation

• WS2_32.dll:
  

  FreeAddrInfoW	GetAddrInfoW	GetNameInfoW	WSACleanup
  WSAStartup	htons

• DNSAPI.dll:
  

  DnsFree	DnsFreeConfigStructure	DnsFreePolicyConfig	DnsGetPolicyTableInfo
  DnsQueryConfigAllocEx	DnsQuery_W	DnsValidateName_W	DnsValidateServer_W