=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Server: nginx
Date: Wed, 01 Dec 2021 17:16:23 GMT
Content-Type: audio/mpeg
Content-Length: 1929967
Connection: close
Last-Modified: Sat, 09 Feb 2008 11:46:50 GMT
ETag: &quot;1d72ef-445b8432a7e80&quot;
Accept-Ranges: bytes

Request headers
================
HEAD /audio/mp3/02-fergie-clumsy.mp3 HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: zako.sakura.ne.jp
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.