=== HTTP code : 200 ===

Response headers
================
HTTP/1.0 301 Moved Permanently
Date: Wed, 27 Dec 2017 08:09:39 GMT
Server: Apache
Referrer-Policy: origin-when-cross-origin
Location: https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?id=28216
Connection: close
Content-Type: text/html; charset=iso-8859-1

HTTP/1.0 200 OK
Date: Wed, 27 Dec 2017 08:09:39 GMT
Server: Apache
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Referrer-Policy: origin-when-cross-origin
Content-Security-Policy: upgrade-insecure-requests
Cache-Control: private
NCBI-PHID: 990D0341A43554310000000000000001.m_1
NCBI-SID: 990D0341A4355431_0000SID
Content-Type: text/html
Set-Cookie: ncbi_sid=990D0341A4355431_0000SID; domain=.nih.gov; path=/; expires=Thu, 27 Dec 2018 08:09:39 GMT
Vary: Accept-Encoding
X-UA-Compatible: IE=Edge
X-XSS-Protection: 1; mode=block
Connection: close

Request headers
================
HEAD /Taxonomy/Browser/wwwtax.cgi?id=28216 HTTP/1.0
Host: www.ncbi.nlm.nih.gov
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept: */*
Referer: http://jagjuice.us
Connection: close


Link is valid.