=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Wed, 24 Nov 2021 14:17:30 GMT
Server: Apache
Pragma: no-cache
Cache-Control: no-cache
Expires: Thu, 01 Dec 1994 16:00:00 GMT
Last-Modified: Mon, 13 Jul 2009 13:10:37 GMT
ETag: &quot;21a3308-2b-4a5b324d&quot;
Accept-Ranges: bytes
Content-Length: 43
Connection: close
Content-Type: image/gif

Request headers
================
HEAD /images/tracking/0.gif?ag=4,937,954,1055,0,0 HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: evrep.blogpeople.net
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.