=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Content-Type: text/html;charset=UTF-8
Date: Sun, 28 Nov 2021 00:16:35 GMT
Server: nginx
X-Frame-Options: SAMEORIGIN
X-Xss-Protection: 1;mode=block
Connection: close

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


Link is valid.