=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Date: Mon, 29 Jul 2019 00:37:59 GMT
Connection: close
Cache-Control: max-age=3600
Expires: Mon, 29 Jul 2019 01:37:59 GMT
Location: https://4frontventures.com/
Server: cloudflare
CF-RAY: 4fdb0703eaefab82-YYZ

HTTP/1.1 200 OK
Date: Mon, 29 Jul 2019 00:38:00 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
Set-Cookie: __cfduid=d4d2ef0a20ad1901532a3ed2d29b94cae1564360679; expires=Tue, 28-Jul-20 00:37:59 GMT; path=/; domain=.4frontventures.com; HttpOnly
Link: &lt;https://4frontventures.com/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;, &lt;https://4frontventures.com/&gt;; rel=shortlink
Expect-CT: max-age=604800, report-uri=&quot;https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct&quot;
Server: cloudflare
CF-RAY: 4fdb07048cdacac8-YYZ

Request headers
================
HEAD / HTTP/1.1
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
Host: 4frontventures.com
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.