=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Thu, 25 Nov 2021 20:19:18 GMT
Server: Apache/2.2.15 (Red Hat)
Last-Modified: Sat, 17 Nov 2012 06:28:00 GMT
ETag: &quot;26180c-118-4ceaafc547c00&quot;
Accept-Ranges: bytes
Content-Length: 280
Connection: close
Content-Type: image/png

Request headers
================
HEAD /rsslinks/images/feed-icon.png HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: tools.blogflux.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.