=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: nginx/1.10.3 (Ubuntu)
Date: Sun, 14 Apr 2019 05:09:10 GMT
Content-Type: text/html
Content-Length: 194
Connection: close
Location: https://www.publicdomainarchive.com/

HTTP/2 200 
server: nginx/1.10.3 (Ubuntu)
date: Sun, 14 Apr 2019 05:09:10 GMT
content-type: text/html; charset=UTF-8
expires: Wed, 11 Jan 1984 05:00:00 GMT
cache-control: no-cache, must-revalidate, max-age=0
x-pingback: https://www.publicdomainarchive.com/xmlrpc.php
link: &lt;https://www.publicdomainarchive.com/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
link: &lt;https://wp.me/P4lWKP-4q&gt;; rel=shortlink
strict-transport-security: max-age=31536000; includeSubdomains;
content-security-policy-report-only: default-src https:; script-src https: 'unsafe-eval' 'unsafe-inline'; style-src https: 'unsafe-inline'; img-src https: data:; font-src https: data:; report-uri  /csp-report

Request headers
================
HEAD / HTTP/2
Host: www.publicdomainarchive.com
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.