gistfile1.txt

# nginx: redirect secondary domain names to primary
server {
    listen       80;
    server_name  mislav.caboo.se mislavmarohnic.com mislavmarohnic.name mislav.name mislav.info mislav.biz;

    # ...

    if ($host != "mislav.caboo.se") {
      rewrite .* http://mislav.caboo.se$uri permanent;
    }

    # ...
}