=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: CloudFront
Date: Fri, 26 Nov 2021 21:20:23 GMT
Content-Type: text/html
Content-Length: 183
Connection: close
Location: https://www.lifehacker.jp/2011/05/110510_secretsync.html
X-Cache: Redirect from cloudfront
Via: 1.1 0c765a2912f391b4e0a7e9ea69f2a9ba.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT12-C4
X-Amz-Cf-Id: kBBnh-JJIMaxOG1zkHFDVFerUB3pEhl4q_yC8lpSclKsf8Jp2hAojQ==

HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Connection: close
Cache-Control: max-age=120
Date: Fri, 26 Nov 2021 21:20:26 GMT
Server: nginx
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Vary: Accept-Encoding
X-Cache: Miss from cloudfront
Via: 1.1 c05fb02176b8b832bff0feeba4ace243.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT57-C1
X-Amz-Cf-Id: LLSvpoIyC9Omy79VRaAMWZebB8ggtvM8A9M0pkA35pxuIDlo31yV0A==

Request headers
================
HEAD /2011/05/110510_secretsync.html HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: www.lifehacker.jp
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.