=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Pragma: no-cache
Content-Type: text/html; charset=utf-8
X-UA-Compatible: IE=edge
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000; includeSubDomains
Cache-Control: no-cache
Expires: Wed, 07 Aug 2019 03:43:09 GMT
Date: Wed, 07 Aug 2019 03:43:09 GMT
Connection: close

Request headers
================
HEAD / HTTP/1.1
Host: www.darpa.mil
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36
Accept: */*
Referer: https://bme.fiu.edu
Connection: close


Link is valid.