If your domains are setup as individual sites, then you can use an htaccess redirect on site2 and site3 to push the surfer to the appropriate page on site1.

here is an .htaccess file that will do that for site2 & site3
Code:
RewriteEngine On
RewriteRule .* http://domain1.com/surfer.html [R=301,L]

cheers,
Luke