Downloading a file over HTTP from SSIS package not working

Question

My SSIS package has a script task to download a file from a third party URL. This used to work fine until recently.

Failure occurs on execution of method HttpClientConnection.DownloadFile() with this Error

Error: Download failed: Exception from HRESULT: 0xC0016003

Here is the snippet of the code

Object mySSISConnection = Dts.Connections["test HTTP Connection Manager"].AcquireConnection(null);
HttpClientConnection myConnection = new HttpClientConnection(mySSISConnection);
myConnection.DownloadFile(Dts.Connections["XXXDownload File LocationXXX"].ConnectionString, true);

Also Note:

1. When I test this connection from Connection manager properties , it succeeds.

2. I am also able to download the file from a browser by using the same URL from the box without any issue.

3. When I change the URL in the package to download file from some other site the package executes successfully.

Let me know if you need further information.