The best way to allow custom domains in your WordPress Multisite installation

• Seamlessly integrates into WordPress's dashboard interface
• Comes with turn-key sunrise.php drop-in
• Easily enable & disable aliases
• Safe, secure, & designed to scale

• Download and install using the built in WordPress plugin installer
• Network Activate in the "Plugins" area of your network-admin by clicking the "Activate" link
• Optionally drop the entire wp-site-aliases directory into mu-plugins
• Optionally filter wp_site_aliases_get_documentation_url & wp_site_aliases_get_configuration_url and write some documentation for your custom application
• No further setup or configuration is necessary

Yes. It adds wp_blog_aliases and wp_blog_aliasmeta to $wpdb->ms_global_tables.

(If you use a database drop-in for high-availability, you will need to define these tables yourself.)

Yes. It uses a global blog-aliases cache-group for all alias objects.

No. All of WordPress's core database tables remain untouched.

The WordPress support forums: https://wordpress.org/support/plugin/wp-site-aliases/

Yes, please!

• Public - https://github.com/stuttter/wp-site-aliases/
• Bleeding - https://code.flox.io/stuttter/wp-site-aliases/