=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Content-Length: 0
Location: http://aka.hmrc.gov.uk/manuals/cisrmanual/Pdfs/cis305.pdf
Server: Microsoft-IIS/7.0
X-Powered-By: ASP.NET
Expires: Mon, 02 Mar 2020 03:56:57 GMT
Cache-Control: max-age=0, no-cache, no-store
Pragma: no-cache
Date: Mon, 02 Mar 2020 03:56:57 GMT
Connection: close

HTTP/1.1 301 Moved Permanently
Server: nginx
Location: http://www.hmrc.gov.uk/gds/cisr/Pdfs/cis305.pdf
Cache-Control: public, max-age=3600
Strict-Transport-Security: max-age=31536000; preload
Content-Length: 0
Accept-Ranges: bytes
Date: Mon, 02 Mar 2020 03:56:57 GMT
Via: 1.1 varnish
Age: 0
Connection: close
X-Served-By: cache-lcy19264-LCY
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1583121418.503641,VS0,VE36

HTTP/1.1 301 Moved Permanently
Content-Length: 0
Location: http://webarchive.nationalarchives.gov.uk/*/http://www.hmrc.gov.uk/gds/cisr/Pdfs/cis305.pdf
Server: Microsoft-IIS/7.0
X-Powered-By: ASP.NET
Expires: Mon, 02 Mar 2020 03:56:57 GMT
Cache-Control: max-age=0, no-cache, no-store
Pragma: no-cache
Date: Mon, 02 Mar 2020 03:56:57 GMT
Connection: close

HTTP/1.1 301 Moved Permanently
Server: CloudFront
Date: Mon, 02 Mar 2020 03:56:57 GMT
Content-Type: text/html
Content-Length: 183
Connection: close
Location: https://webarchive.nationalarchives.gov.uk/*/http://www.hmrc.gov.uk/gds/cisr/Pdfs/cis305.pdf
X-Cache: Redirect from cloudfront
Via: 1.1 02658aded903839a4bba0fe2e923bd97.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: LHR62-C1
X-Amz-Cf-Id: TUfUXNMuBWmOnKmv5H58vAb_dp0jVgVGybKdS7eJ577iQKt9NZEKuw==

HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Content-Length: 18261
Connection: close
Date: Mon, 02 Mar 2020 03:56:57 GMT
Server: nginx/1.16.1
X-Cache: Miss from cloudfront
Via: 1.1 c11b19c286578d098340345c089b4c2b.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: LHR62-C1
X-Amz-Cf-Id: hjcaMFA-FJSSrVCAG2E2RLPceSpD7iDbUXeg_hLpXw3h1tC2KE19hw==

Request headers
================
HEAD /*/http://www.hmrc.gov.uk/gds/cisr/Pdfs/cis305.pdf HTTP/1.1
Host: webarchive.nationalarchives.gov.uk
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36
Accept: */*
Referer: https://www.accountsincheque.co.uk
Connection: close


Link is valid.