I found an cronjob on www.osgeo.org hitting http://2011.foss4g.org/cron.php every hour. As that URL is a 404 now, I removed the line. Shall anyone need it back, let me know. Beside: 2011.foss4g.org has address 140.211.15.68 www.osgeo.org has address 140.211.15.66 --strk;