=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Fri, 26 Nov 2021 03:19:22 GMT
Server: Apache/2.4.46 (Unix) OpenSSL/1.1.1i
Last-Modified: Thu, 14 Sep 2006 13:10:39 GMT
Accept-Ranges: bytes
Content-Length: 2809
Vary: Accept-Encoding
Access-Control-Allow-Origin: *
Connection: close
Content-Type: application/vnd.google-earth.kml+xml
Content-Language: ja

Request headers
================
HEAD /digital-typhoon/kml/active-t.ja.kml HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: agora.ex.nii.ac.jp
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.