Redirect an old domain and all the old sites to a new domain

redirect old site to new domain

#this redirects all your old stuff to the main site of the new domain
RewriteEngine on
RewriteCond %{HTTP_HOST} ^old-domain.com [NC]
RewriteRule ^(.*)$ http://new-domain.com/ [L,R=301]
RewriteCond %{HTTP_HOST} ^www.old-domain.com [NC]
RewriteRule ^(.*)$ http://new-domain.com/ [L,R=301]

#this redirects all your old stuff to the new domain, leaving all deep urls like before
RewriteEngine on
RewriteCond %{HTTP_HOST} ^old-domain.com [NC]
RewriteRule ^(.*)$ http://new-domain.com/$1 [L,R=301]
RewriteCond %{HTTP_HOST} ^www.old-domain.com [NC]
RewriteRule ^(.*)$ http://new-domain.com/$1 [L,R=301]