=== HTTP code : 200 ===

Response headers
================
HTTP/2 200 
expires: Sat, 01 Jan 2000 00:00:00 GMT
x-frame-options: DENY
x-xss-protection: 0
pragma: no-cache
strict-transport-security: max-age=15552000; preload
access-control-expose-headers: X-FB-Debug, X-Loader-Length
access-control-allow-credentials: true
x-content-type-options: nosniff
vary: Origin
vary: Accept-Encoding
cache-control: private, no-cache, no-store, must-revalidate
access-control-allow-origin: https://www.facebook.com
access-control-allow-methods: OPTIONS
content-type: text/html; charset=&quot;utf-8&quot;
x-fb-debug: A1UEZ92cY9FusLAaJ9gnJCpPvokf20/cXp+HCA5rgYE9Gvf5wM5zT6JCEZbJynTkE4Qz7sm8cAt4c0r1aameXg==
date: Sun, 14 Apr 2019 03:13:08 GMT

Request headers
================
HEAD /video/video.php?v=10151107995291687 HTTP/2
Host: www.facebook.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.