=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Connection: close
content-type: text/html; charset=UTF-8
x-pingback: http://alst.co.jp/xmlrpc.php
x-redirect-by: WordPress
location: https://alst.co.jp/
date: Mon, 29 Nov 2021 07:20:25 GMT
server: LiteSpeed

HTTP/1.1 200 OK
Connection: close
content-type: text/html; charset=UTF-8
x-pingback: https://alst.co.jp/xmlrpc.php
link: &lt;https://alst.co.jp/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
link: &lt;https://alst.co.jp/wp-json/wp/v2/pages/1833&gt;; rel=&quot;alternate&quot;; type=&quot;application/json&quot;
link: &lt;https://alst.co.jp/&gt;; rel=shortlink
date: Mon, 29 Nov 2021 07:20:26 GMT
server: LiteSpeed
alt-svc: h3=&quot;:443&quot;; ma=2592000, h3-29=&quot;:443&quot;; ma=2592000, h3-Q050=&quot;:443&quot;; ma=2592000, h3-Q046=&quot;:443&quot;; ma=2592000, h3-Q043=&quot;:443&quot;; ma=2592000, quic=&quot;:443&quot;; ma=2592000; v=&quot;43,46&quot;

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


Link is valid.