=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: openresty
Date: Thu, 02 Dec 2021 21:18:46 GMT
Content-Type: text/html
Content-Length: 166
Connection: close
Location: https://fivesecondtest.com/

HTTP/1.1 200 OK
Server: openresty
Date: Thu, 02 Dec 2021 21:18:47 GMT
Content-Type: text/html
Content-Length: 9677
Connection: close
Content-Security-Policy: frame-ancestors 'self'
X-Frame-Options: SAMEORIGIN
Via: 1.1 varnish, 1.1 varnish
Accept-Ranges: bytes
Age: 0
X-Served-By: cache-dca17720-DCA, cache-hnd18742-HND
X-Cache: MISS, MISS
X-Cache-Hits: 0, 0
X-Timer: S1638479927.873468,VS0,VE256
Vary: Accept-Encoding
X-Cluster-Name: ap-northeast-1-prod-eks-15

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


Link is valid.