=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Fri, 03 Dec 2021 13:15:27 GMT
Content-Type: text/html
Content-Length: 162
Connection: close
Location: https://www.gearthblog.com/kmfiles/HistoricalImageryUpdate.kmz
Host-Header: 8441280b0c35cbc1147f8ba998a563a7
X-HTTPS-Enforce: 1
X-Proxy-Cache-Info: DT:1

HTTP/1.1 200 OK
Server: nginx
Date: Fri, 03 Dec 2021 13:15:27 GMT
Content-Type: application/vnd.google-earth.kmz
Content-Length: 5878
Connection: close
Content-Security-Policy: upgrade-insecure-requests
Last-Modified: Sat, 13 Apr 2013 00:00:00 GMT
ETag: &quot;16f6-4da32b3680000&quot;
Accept-Ranges: bytes
X-Httpd: 1
Access-Control-Allow-Origin: *
Host-Header: 8441280b0c35cbc1147f8ba998a563a7
X-Proxy-Cache-Info: DT:1

Request headers
================
HEAD /kmfiles/HistoricalImageryUpdate.kmz HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: www.gearthblog.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.