=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Cache-Control: private
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Content-Type: text/html; charset=utf-8
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Set-Cookie: consent=; expires=Mon, 12-Mar-2018 03:03:32 GMT; path=/
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Content-Security-Policy: default-src * data: blob: 'unsafe-inline' 'unsafe-eval';
X-Frame-Options: SAMEORIGIN
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Date: Mon, 12 Feb 2018 03:03:33 GMT
Connection: close
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Request headers
================
HEAD /services/iso-9001-systeme-de-management-de-la-qualite-3283 HTTP/1.1
Host: www.dnvgl.fr
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.