=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Date: Sat, 04 Dec 2021 05:19:58 GMT
Server: Apache
Strict-Transport-Security: max-age=31557600
X-Frame-Options: SAMEORIGIN
Location: https://terra.nasa.gov/
Connection: close
Content-Type: text/html; charset=iso-8859-1

HTTP/1.1 200 OK
Date: Sat, 04 Dec 2021 05:19:59 GMT
Server: Apache
Strict-Transport-Security: max-age=31557600
X-Frame-Options: SAMEORIGIN
Set-Cookie: SAMLSessionID=d64375dacfc74d99f3e87c33fa9102a0; path=/; secure; HttpOnly
Connection: close
Content-Type: text/html; charset=UTF-8

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


Link is valid.