At the moment, your site is sending out cookies with an ip address for the domain:
Text Formatted Code
GET /~gilly/ HTTP/1.0
Host: m02.modserver.com
HTTP/1.1 200 OK
Date: Sun, 09 May 2004 16:05:08 GMT
Server: Apache/1.3.29 (Unix) mod_auth_passthrough/1.8 mod_log_bytes/1.2 mod_bwlimited/1.4 FrontPage/5.0.2.2634 mod_ssl/2.8.16 OpenSSL/0.9.7a PHP-CGI/0.1b
X-Powered-By: PHP/4.3.4
Set-Cookie: LastVisit=1084118713; expires=Mon, 09-May-05 16:05:13 GMT; path=/; domain=65.254.38.186
Set-Cookie: LastVisitTemp=deleted; expires=Sat, 10-May-03 16:05:12 GMT; path=/; domain=65.254.38.186
Connection: close
Content-Type: text/html
However, as explained in the FAQ, the domain in the cookie must match the actual domain name of your site.
You may want to set $_CONF['cookiedomain'] accordingly.
bye, Dirk