.htaccess - Redirect multiple domains to one domain (with or without www before)

Question

I have about 18 domains that need to be redirected to a new one. It has to work both with or without www prepended.

I've tried this:

<IfModule mod_rewrite.c>
    RewriteEngine on 
    Rewritecond %{HTTP_HOST} !^www.domain.com
    RewriteRule ^(.*)$ http://www.domain.com/$1 [R=301,L]
</IfModule>

That gives me a redirect loop (and only works with www before, i think?).

Answer 1

RewriteEngine on
RewriteCond %{HTTP_HOST} ^domain1.com [OR]
RewriteCond %{HTTP_HOST} ^domain2.com [OR]
RewriteCond %{HTTP_HOST} ^domain3.com [OR]
RewriteCond %{HTTP_HOST} ^domain4.com [OR]
RewriteCond %{HTTP_HOST} ^domain5.com
RewriteRule ^(.*)$ http://www.newdomain.com/$1 [R=permanent,L]

This will redirect all your 18 domains to your new single domain www.newdomain.com.

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Otherwise you can use following code to redirect each domain if they are on separate hosting:

RewriteCond %{HTTP_HOST} ^domain.com
RewriteRule ^(.*)$ http://www.newdomain.com/$1 [R=permanent,L]