=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Location: https://www.post.japanpost.jp/cgi-charge/
Content-Length: 0
Content-Type: text/html; charset=UTF-8

HTTP/1.1 200 OK
Date: Sat, 04 Dec 2021 06:20:03 GMT
Server: Apache
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
Set-Cookie: PHPSESSID=4m78toqqfopueo4ep4vlls3qs3; path=/; HttpOnly; Secure; SameSite=None;
Content-Type: text/html
Connection: close

Request headers
================
HEAD /cgi-charge/ HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: www.post.japanpost.jp
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.