Some useful investigative links.
In one's travels it may be necessary to find out who actually owns a domain, if sites are redirected, or housed in frames etc.
This page has a bunch of tools all on one page (tracert,verify email, nameserver, finger etc)
http://www.dataphone.se/~astilbe/inetcheck/
How to read email headers:
http://www.stopspam.org/email/headers/headers.html
In response to the comments about how big a job this is- of course.
But, I think by sharing info with other similar groups, and making info public, we will go a long way towards making people aware, or at least getting them to question.