=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Tue, 30 Nov 2021 07:17:20 GMT
Server: Apache/2.4.51 (Unix)
Last-Modified: Wed, 24 Oct 2018 09:45:41 GMT
ETag: &quot;123f-578f6596a9b40&quot;
Accept-Ranges: bytes
Content-Length: 4671
Connection: close
Content-Type: text/html

Request headers
================
HEAD /3dHH-Fly%20over%203d-Dubai%20in%20GoogleEarth5.kmz HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: www.3dhh.de
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.