=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Wed, 07 Aug 2019 04:13:30 GMT
Content-Type: text/html; charset=utf-8
Connection: close
Edge-control: max-age=1d
Last-Modified: Tue, 30 Apr 2019 21:19:55 GMT
Vary: Accept-Encoding
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Content-Type-Options: nosniff
Age: 0
ETag: W/&quot;1556659195-1&quot;
X-Cache: MISS
X-Cache-Hits: 0
Cache-Control: public, max-age=60, s-maxage=60
v-cache-ttl: 0
X-Frame-Options: SAMEORIGIN
Accept-Ranges: bytes

Request headers
================
HEAD /brain HTTP/1.1
Host: obamawhitehouse.archives.gov
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.