=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Sat, 27 Nov 2021 05:20:06 GMT
Content-Type: text/html; charset=utf-8
Connection: close
Vary: Accept-Encoding
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
X-Download-Options: noopen
X-Permitted-Cross-Domain-Policies: none
Referrer-Policy: strict-origin-when-cross-origin
P3P: CP=&quot;CAO PSA OUR&quot;
Cache-Control: max-age=0, private, must-revalidate
Content-Security-Policy: default-src * 'unsafe-inline'; img-src * data: blob:; frame-ancestors 'self'; script-src * 'unsafe-inline' 'unsafe-eval'; media-src * blob:; worker-src 'self' blob:; style-src * blob: 'unsafe-inline' 'unsafe-eval'; frame-src * blob:
Set-Cookie: user_country=JP; path=/; expires=Sun, 27 Nov 2022 05:20:06 GMT; secure
Set-Cookie: _mind_session=%2BK10UT6rrGlFE3%2F%2FKNmBfj6BTUM1ndwyyiXIIK8MkPl6C3Lkr0vGevMRNOtkCBcIRWraulICRy0dKVMxw8%2BQTp8v6X%2BMXSDGD6w6X%2FW7zUS2aHV0IVAvkQnwH9AoMZYqmg%2BwoGS0LbPOccVryw7pYGMmKkS31UDkjSD5yiz%2FEQKBAQcTKdm7%2BdpMroe8LlhC6KEznkiz9oMTjqXapjo17LoPzjwLdntQ233i0GCbUFindV5jEqw7c3Qxu3P%2B%2Bh5s4QILHRaC1YURfuyD%2Baoh7bRlEmqY6wgyzqjlRCi6rJD5YnNkREiwZsO0fTIlJ%2BAD7iD8JLJpEZ%2BhfS4wnmonPc3t58fuWP%2F2VuAYObGpTLq9YU5YaH3Y8pWxplVxjU651VykEFvigIZdEVaHx0%2F7QPn5UjkSyHw4zwn7pE4guerKz1Hvggz%2F1xY%3D--bC1R1Z34%2FtjPlfQ2--J4HdHODeWL03he5Yzvzy9Q%3D%3D; path=/; secure; HttpOnly
X-Request-Id: 844c8b60-39c2-4e79-931f-04066a9a85d9
X-Runtime: 0.118769
X-Cloud-Trace-Context: 3ad2537243875a67aa3ba04c68ab4bb9/16504068023667586252;o=0
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Request-Origin: mm-prod-app-a4
Via: 1.1 google
CF-Cache-Status: DYNAMIC
Expect-CT: max-age=604800, report-uri=&quot;https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct&quot;
Server: cloudflare
CF-RAY: 6b48e7c5a92334b1-NRT

Request headers
================
HEAD /509248222/_ HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: www.mindmeister.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.