laravel error with certificate when uploading to s3

Hi I'm having a problem with uploading a file to amazon s3, I think it's a certificate problem, I'm using wamp and have set my curl.cainfo = "C:\wamp\bin\php\php5.5.12\extras\ssl\cacert.pem" to the correct path but I'm not sure that the rest of my code when saving a file is right either, below is the error I'm getting in my webpage

Error Message:

Error executing "ListObjects" on 
"http://ift.tt/2jSwwCl"; AWS HTTP error: cURL error 6: Could not resolve host: s3.oregon.amazonaws.com (see http://ift.tt/1mgwZgQ)

problem:

CURLE_COULDNT_RESOLVE_HOST (6)

Couldn't resolve host. The given remote host was not resolved.

public function save($storage = false) {

    $this->filename =  $this->filename . '.' . $this->ext;
    $image = Image::make($this->filepath);
    $image->save($this->folder . '/' . $this->filename);

    if($storage) {

        Storage::disk('s3')->put($this->folder . '/' . $this->filename, $image->stream());

        if(File::exists($this->folder . '/' . $this->filename)) {
            File::delete($this->folder . '/' . $this->filename);
        }
    }

    $image->destroy();

    return $this->filename;
}

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