=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: CloudFront
Date: Sat, 04 Dec 2021 12:19:32 GMT
Content-Type: text/html
Content-Length: 183
Connection: close
Location: https://redcliff.jp/index.html
X-Cache: Redirect from cloudfront
Via: 1.1 8246396d0e0c0de7666d18eae9856bdf.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT57-P1
X-Amz-Cf-Id: GLdCWTFVcRQTU507hRdO_XGgxXnMhHp14vB4bKKzfeBo8K_Nks-s_Q==

HTTP/1.1 200 OK
Content-Type: text/html
Content-Length: 6304
Connection: close
x-amz-id-2: T+75zuasR/LqO+QfoO/olrwSAqAiETYVu6/so8KLW7iJhxqR3AxjAeHwuBDoIPUTXC3kH3k78MQ=
x-amz-request-id: 4KPYYZS83NT7P808
Date: Sat, 04 Dec 2021 12:19:33 GMT
Last-Modified: Wed, 25 Nov 2020 06:05:01 GMT
ETag: &quot;1527026e9f605c131de44d1c41be2cd4&quot;
x-amz-server-side-encryption: AES256
Accept-Ranges: bytes
Server: AmazonS3
X-Cache: Miss from cloudfront
Via: 1.1 6b3df82b11020ffd9f07adedfc60be70.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT57-P1
X-Amz-Cf-Id: tfHAMTJME5gqWcNxyseozewWrvExUdcmcJpG3-3P4hDfL1HCXx-mTQ==

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


Link is valid.