=== HTTP code : 200 ===

Response headers
================
HTTP/2 200 
server: nginx
date: Sun, 14 Apr 2019 11:10:19 GMT
content-type: text/html;charset=utf-8
content-length: 20557
vary: Accept-Encoding
cache-control: must-revalidate
expires: Fri, 01 Jan 1999 00:00:00 GMT
set-cookie: trac_form_token=c2bc17ea20a5c7c7653a29e3; httponly; Path=/; secure
set-cookie: trac_session=53a55cbb814e74010c1ff9f7; expires=Sat, 13 Jul 2019 11:10:19 GMT; httponly; Path=/; secure
strict-transport-security: max-age=31536000
x-frame-options: SAMEORIGIN

Request headers
================
HEAD / HTTP/2
Host: core.trac.wordpress.org
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept: */*
Referer: https://itxdesign.com
Connection: close


Link is valid.