Other domains we own showing up in search engines

[rogerwhittaker1234]

We run our company website from a our company name .co.uk

Last year we bought our company name limited.co.uk, company name online.com, etc etc. About 8 domains in total.

For some reason the pages from our main site, say: red-widgets.html are cropping up in the search engine listings. Such as:

company name limited.co.uk/red-widgets.html
company name online.com/blue-widgets.html
company name ltd.com/red-widgets.html

Sometimes above the original company name.co.uk/red-widgets.html page!

I have no idea why this is happening, any advice would be welcome.

thanks

[lammert]

Are all the domain names pointing to the same website?
If so, do you use 301 redirects to convert the secondary domain names to your primary name or do you just point all names to the same IP address?

[rogerwhittaker1234]

As far as im aware there arent any directs in place.

[g1smd]

# setup

RewriteEngine On

# redirect all non-canonical hostname requests to canonical hostname

RewriteCond %{HTTP_HOST} .
RewriteCond %{HTTP_HOST} !^www\.example\.com$
RewriteRule (.*) http://www.example.com/$1 [R=301,L] 

[rogerwhittaker1234]

and where do i stick that code mate and what does it do?

[phranque]

assuming from the examples given that he goes non-www:
RewriteEngine On
# redirect all non-canonical hostname requests to canonical hostname
RewriteCond %{HTTP_HOST} .
RewriteCond %{HTTP_HOST} !^example\.co\.uk$
RewriteRule (.*) http://example.co.uk/$1 [R=301,L]