SPFCheck v.0.1 (c) 2008 by K. Ahlers This tool does not cover all the mechanisms specified by openspf.org So please use this tool with caution and see more information here: http://www.openspf.org/SPF_Record_Syntax This report has been generated at 2010-02-09 11:22:39 by luzifer.knutshome.de using nameserver '213.133.100.100' Usage: /spfcheck.rb?domain=[&nameserver=] : The domain to query the SPFv1 record which should be analysed : Optional - A nameserver to use for the queries This tool does not cover the following mechanisms and modifiers: Mechanisms: ptr, exists Modifiers: exp