Thx Auge for your reply,

Followed your advice with lifeheaders.

It gives me however no clue.

What can you make from this:

http://www.zeekajaks.info/seaf/

GET /seaf/ HTTP/1.1
Host: www.zeekajaks.info
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; nl; rv:1.8.1.17) Gecko/20080829 Firefox/2.0.0.17
Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: nl,en-us;q=0.7,en;q=0.3
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Cookie: mlf2_usersettings=0.0.1.0.0; mlf2_last_visit=1226491302.1226491302; PHPSESSID=a5acfcffae45d21e44041c4252808ccd

HTTP/1.x 200 OK
Date: Wed, 12 Nov 2008 12:08:52 GMT
Server: Apache/2.0.53 (Fedora)
X-Powered-By: PHP/4.4.4
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Content-Length: 0
Connection: close
Content-Type: text/html
----------------------------------------------------------

regards
René