=== HTTP コード: 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Mon, 31 Oct 2022 18:42:07 GMT
Strict-Transport-Security: max-age=31536000
Accept-Ranges: bytes
Connection: close
Content-Type: application/pdf

Request headers
================
HEAD /item/mop/cleaner/dc000030/images/item016801guide.pdf HTTP/1.1
Host: www.duskin.jp
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.34 Safari/537.36
Accept: */*
Referer: https://comfortable-keeper.club
Connection: close


リンクは有効です。