Support » Networking WordPress » Do I need an “alias” for each domain on a multisite?

  • So I have my main wordpress installationat maindomain.com.

    I have several other sites running under that multisite installation. I was using the WordPress MU Domain Mapping plugin until I found out today that it’;s not longer needed as of WP 4.5. So today I switched all the URLs of the subsites, as directed to be subsite1.com, subsite2.com etc.

    My question is this: So each subsite has its own domain name. The A record via Google domains points to the IP of my main domain host. To make those work though, it appears that I have to set up an “alias” for each secondary domain in Cpanel to make it work.

    In all my reading about multisite set ups I don’t see this step mentioned so I’m wondering if there’s some other way around it. Not having those aliases would actually allow me to switch to a cheaper host plan, but as far as I can tell, they are necessary.

    Thanks!

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  • This “alias” (also called add-on domains, if I remember correctly) is a cPanel-specific terminology and their way of doing things.

    Not having those aliases would actually allow me to switch to a cheaper host plan, but as far as I can tell, they are necessary.

    Since you most likely don’t have a dedicated IP address, and you’re using a single IP address shared by hundreds of other domains on the same, how does the server know to associate your external domains (which you’ve mapped to the shared IP address) to your own primary domain on the cPanel server?

    It’s this “alias” domain feature that will point your externally mapped secondary domains to your primary domain (instead of any other domain sharing the same IP address).

    The only other way is to switch from using A-records to CNAME records, which will map the external domains directly to the primary domain.

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