=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Cache-Control: private
Content-Length: 52253
Content-Type: text/html; charset=utf-8
X-AspNetMvc-Version: 4.0
X-AspNet-Version: 4.0.30319
Set-Cookie: DNVGLUserCookie=GEOIP_CityName=&amp;GEOIP_CountryName=France&amp;GEOIP_CountryISOCode=FR&amp;GEOIP_ContinentName=Europe; expires=Tue, 13-Feb-2018 03:03:10 GMT; path=/
Set-Cookie: consent=; expires=Mon, 12-Mar-2018 03:03:10 GMT; path=/
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Content-Security-Policy: default-src * data: blob: 'unsafe-inline' 'unsafe-eval';
X-Frame-Options: SAMEORIGIN
X-Xss-Protection: 1; mode=block
Strict-Transport-Security: max-age=31536000
Date: Mon, 12 Feb 2018 03:03:11 GMT
Connection: close
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Request headers
================
HEAD /services/iso-9001-quality-management--3283 HTTP/1.1
Host: www.dnvgl.com
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.