=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Date: Fri, 03 Dec 2021 12:20:16 GMT
Location: https://earthobservatory.nasa.gov/IOTD/view.php?id=37228
Content-Length: 0
Connection: close

HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Fri, 03 Dec 2021 12:20:16 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 558
Connection: close
Strict-Transport-Security: max-age=31557600
Location: https://earthobservatory.nasa.gov/images/37228/25-years-of-growth-in-las-vegas
X-Frame-Options: SAMEORIGIN
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HTTP/1.1 200 OK
Server: nginx
Date: Fri, 03 Dec 2021 12:20:18 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
Strict-Transport-Security: max-age=31557600
Cache-Control: no-cache, private
X-Frame-Options: SAMEORIGIN
Set-Cookie: XSRF-TOKEN=eyJpdiI6IllFY2RqclgwRjFwdldDNkN2VWc3REE9PSIsInZhbHVlIjoidWhZWkhNcGk4Z0RjK1ZxXC85UWhhdU9hUHNzeUw0am9TY1RHTEY5NVczelV2dmFoM0g0cTdlRDNMQTM0Umdmb2tEcDlmamFwZEw4SnJ6Y09mOUJtMUZ1V3ZuT2lQbGUxRE9BWG1wSDZCWkliK1Y0Zmt2d3doM21BTlNaaUxvT3hkIiwibWFjIjoiZGE4YjFhMTFmMTUyOGFhY2QyMjFmM2E2OGU1NjhhNmRkOTAzZDQ3ZDdiMWEzMWZkOTVjYWZlMTE4MjBkYzNmMyJ9; expires=Fri, 03-Dec-2021 14:20:18 GMT; Max-Age=7200; path=/
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Request headers
================
HEAD /images/37228/25-years-of-growth-in-las-vegas HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: earthobservatory.nasa.gov
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.