=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
date: Mon, 29 Jul 2019 00:11:17 GMT
location: http://www.rubblebucket.com/
Age: 0
Set-Cookie: crumb=BbHQKKWJ1vK2MTE1ODJjMjg1OTc4MTE0OTk5Y2ZmMmQ4ZGExOWQ2;Path=/
Connection: close
x-contextid: peni1751/mAF0KkPW
server: Squarespace

HTTP/1.1 200 OK
date: Sun, 28 Jul 2019 21:19:21 GMT
expires: Thu, 01 Jan 1970 00:00:00 GMT
content-type: text/html;charset=utf-8
last-modified: Fri, 26 Jul 2019 23:40:15 GMT
etag: W/&quot;8aff757eaac1297b27b935e9a962c5b0&quot;
Vary: Accept-Encoding
Age: 10315
Set-Cookie: crumb=Bd4cBXosMiPzZTRhYjVmMWQyYzA5ZmU5OGJlNDg4N2JiYmUyNmE4;Path=/
Accept-Ranges: bytes
Connection: close
x-contextid: W9Vn4vU6/BZKsKckK
server: Squarespace

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: www.rubblebucket.com
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.