In this post, you’ll learn more about the Windows Socket Error WSAHOST_NOT_FOUND
11001 returned by the WSAGetLastError function in Windows as well a quick description about the error
Windows Socket Error Code
WSAHOST_NOT_FOUND
11001
Windows Socket Error Description
Host not found.
No such host is known. The name is not an official host name or alias, or it cannot be found in the database(s) being queried. This error may also be returned for protocol and service queries, and means that the specified name could not be found in the relevant database.