=== HTTP code : 200 ===

Response headers
================
HTTP/1.0 302 Found
Location: http://itpro.nikkeibp.co.jp/pc/article/NPC/20060901/246975/
Server: BigIP
Connection: close
Content-Length: 0

HTTP/1.1 301 Moved Permanently
Date: Tue, 30 Nov 2021 06:19:23 GMT
Content-Type: text/html; charset=iso-8859-1
Connection: close
Server: Apache
Location: https://xtech.nikkei.com/it/pc/article/NPC/20060901/246975/

HTTP/1.1 200 200
Date: Tue, 30 Nov 2021 06:19:24 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 92780
Connection: close
Server: Apache
Set-Cookie: JSESSIONID=756BBF0F12B44C9C48C23F6FDD478D31; Path=/; Secure; HttpOnly
Last-Modified: Mon, 29 Nov 2021 22:19:24 PST
Vary: Accept-Encoding

Request headers
================
HEAD /it/pc/article/NPC/20060901/246975/ HTTP/1.0
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: xtech.nikkei.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.