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DNS Lookup Result Comparison

This module can be used to determine differences in the cache entries between two DNS servers. This is primarily useful for detecting cache poisoning attacks, but can also be used to detect geo-location loadbalancing.


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Usage Information

$ msfconsole

                ##                          ###           ##    ##
 ##  ##  #### ###### ####  #####   #####    ##    ####        ######
####### ##  ##  ##  ##         ## ##  ##    ##   ##  ##   ###   ##
####### ######  ##  #####   ####  ##  ##    ##   ##  ##   ##    ##
## # ##     ##  ##  ##  ## ##      #####    ##   ##  ##   ##    ##
##   ##  #### ###   #####   #####     ##   ####   ####   #### ###
                                      ##

msf > use auxiliary/spoof/dns/compare_results
msf auxiliary(compare_results) > set TARGDNS [ADDRESS]
msf auxiliary(compare_results) > run


Module Options

BASEDNS The DNS cache server to use as a baseline (default: 4.2.2.3)
CHECK_ADDITIONAL Set this to true to verify additional records
CHECK_AUTHORITY Set this to true to verify authority records
NAMES The list of host names that should be tested (comma separated) (default: www.google.com,www.yahoo.com,www.msn.com)
TARGDNS The DNS cache server to test
VERBOSE Enable detailed status messages
WORKSPACE Specify the workspace for this module