=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Server: nginx/1.12.1
Date: Tue, 13 Feb 2018 05:26:43 GMT
Content-Type: text/html; charset=utf-8
Connection: close
Vary: Cookie
P3P: CP=&quot;CAO PSA OUR&quot;
Set-Cookie: csrftoken=TWmR7xgWnZd0EU7gzfxUzwh8hdtBV1iz; expires=Tue, 12-Feb-2019 05:26:43 GMT; Max-Age=31449600; Path=/
Set-Cookie: viideasid=se5k6ca02c34x9fp9btywh411kwdkyy3; Domain=.videolectures.net; expires=Tue, 27-Feb-2018 05:26:43 GMT; httponly; Max-Age=1209600; Path=/

Request headers
================
HEAD /metaforum2012_thicke_services/ HTTP/1.1
Host: videolectures.net
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept: */*
Referer: http://51.15.134.16
Connection: close


Link is valid.