: 301 Redirect a domain to another domain, but keeping the subdirectories the same Is it possible to configure a top-domain (http://x.com) (DNS/.htaccess/else?) to redirect to another domain (http://y.com),

@Jamie184

Assuming you mean "subdirectory" and not "subdomain" (as per your examples), then try something like the following in the .htaccess file at x.com:

RewriteEngine On
RewriteCond %{REQUEST_URI} !^/sub/
RewriteRule (.*) y.com/ [R=301,L]


Redirect (301) everything to y.com where the URI does not start with /sub/.

Note that this redirects to the corresponding URL at y.com, so for instance, x.com/foo/bar redirects to y.com/foo/bar. (Rather than literally only redirecting x.com/ to y.com/?)

UPDATE#1: In light of the comments below, the following might be sufficient. This redirects x.com/ (and only the root URL) to y.com. Anything else eg. x.com/something stays at x.com.

RewriteEngine On
RewriteRule ^$ y.com/ [R=301,L]


Note, however, that this does not specifically check for a valid subdirectory. Any path component in the URL will result in the URL staying at x.com.

If you specifically need to check for valid/known subdirectories then I would use a RewriteCond directive as in the first example above.

UPDATE#2: Another possibility is to check for anything that looks like a subdirectory ie. /anything/ and redirect otherwise. For example:

RewriteEngine On
RewriteCond %{REQUEST_URI} !^/[a-z0-9_-]+/
RewriteRule (.*) y.com/ [R=301,L]


This will redirect x.com/ to y.com/ and x.com/file to y.com/file, but will not redirect x.com/subdir/file.php.

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