you need to go to publication configuration and assign this alias to it. go to http://66.152.161.10/admin/pub/edit.php?Pub=1 (or whatever is id of your publication) and set it as default site alias. You can set several domains to work as aliases for that open you publication.
-- Ljuba Rankovic Senior Front End Developer, Sourcefabric ljuba.rankovic@sourcefabric.org