=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: nginx/1.15.8
Date: Mon, 29 Jul 2019 00:05:03 GMT
Content-Type: text/html
Content-Length: 169
Connection: close
Location: https://dancesafe.org/

HTTP/1.1 200 OK
Server: nginx/1.15.8
Date: Mon, 29 Jul 2019 00:05:04 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
Vary: Accept-Encoding
X-Powered-By: PHP/5.6.20
Link: &lt;https://dancesafe.org/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block

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: dancesafe.org
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.