=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Content-Length: 4542
Content-Type: text/html
Last-Modified: Sat, 23 Jun 2007 15:35:05 GMT
Accept-Ranges: bytes
ETag: &quot;805a5612acb5c71:0&quot;
Server: Microsoft-IIS/8.5
X-Powered-By: ASP.NET
Date: Mon, 29 Nov 2021 18:18:01 GMT
Connection: close

Request headers
================
HEAD /andy/qt/LawnDrive.html HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: www.casa.ucl.ac.uk
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.