=== HTTP code : 301 ===

Response headers
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HTTP/1.1 301 Moved Permanently
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HTTP/1.1 301 Moved Permanently
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HTTP/1.1 301 Moved Permanently
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Request headers
================
HEAD /world/2011/jul/01/lundbeck-us-pentobarbital-death-row HTTP/1.1
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
Host: www.theguardian.com
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.