=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: CloudFront
Date: Thu, 25 Nov 2021 23:19:10 GMT
Content-Type: text/html
Content-Length: 183
Connection: close
Location: https://todoist.com/
X-Cache: Redirect from cloudfront
Via: 1.1 98bd9ab184d03747e94e6dd44ed3f019.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT57-P3
X-Amz-Cf-Id: ZfWURMP0Z8M09dPqW3EMDYi5_TS8pCtm_dgBGpKSmZ6js41KTX0Q_Q==

HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Content-Length: 73987
Connection: close
Vary: Accept-Encoding
Date: Thu, 25 Nov 2021 23:19:11 GMT
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Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Frame-Options: sameorigin
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Set-Cookie: next-i18next=en; Path=/; Expires=Fri, 25 Nov 2022 23:19:11 GMT; SameSite=Strict
Content-Language: en
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X-Cache: Miss from cloudfront
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Request headers
================
HEAD / HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: todoist.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.