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There are a number of basic network tools and utilities that are helpful in exposing, analyzing, and tracing spam messages and related materials. In these pages, I give some background info on these tools, tell where they can be obtained, and give examples of how they are used.

Your network toolbox

Here are the tools that I consider to be the most useful in working with spam:

Find the IP address for a host name and vice-versa host and nslookup
Find out whether a host is online

ping

Trace the network route to a host traceroute
Find info about the "owner" of an IP address. whois [ip]
Find info about the "owner" of a domain name. whois [domain]
Get detailed DNS info for a domain or host dig
Download web pages (and other files) safely from a website curl
Finding a spammer's upstream providers find upstreams


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(c) 2003-2006, Richard C. Conner ( )

06646 hits since March 28 2009

Updated: Wed, 11 Jun 2008