http://www.atmarkit.co.jp/fdotnet/scottgublog/20091218seotoolkit/seotoolkit.html

http://jp.trendmicro.com/jp/threat/security_news/monthlyreport/article/20091216084357.html

hostmap is a free, automatic, hostnames and virtual hosts discovery tool written in Ruby and licensed under GNU General Public License version 3 (GPLv3). It's goal is to enumerate all hostnames and configured virtual hosts on an IP address…