=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Sun, 14 Apr 2019 13:12:43 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
X-Pingback: https://maxcdn4support.wpengine.com/xmlrpc.php
Link: &lt;https://maxcdn4support.wpengine.com/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
Link: &lt;https://maxcdn4support.wpengine.com/&gt;; rel=shortlink
WPE-Backend: apache
X-WPE-Loopback-Upstream-Addr: 127.0.0.1:6783
X-Cacheable: SHORT
Vary: Accept-Encoding,Cookie
Cache-Control: max-age=604800
X-Pass-Why: 
X-Cache-Group: normal
X-Type: default
X-Frame-Options: SAMEORIGIN
Server: NetDNA-cache/2.2
Expires: Sun, 21 Apr 2019 13:12:43 GMT
Check: 43340
X-Cache: HIT

Request headers
================
HEAD /one/ HTTP/1.1
Host: www.maxcdn.com
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept: */*
Referer: https://itxdesign.com
Connection: close


Link is valid.