Let's Encrypt certificate doesn't include branch subdomains after changing the primary domain

[luke]

Hi, @dlecan. What site is this for?

If the site uses Netlify DNS, this should be automatic so if it isn’t working, we’ll be happy to take a look at that.

If the site uses external DNS, then the following instructions cover how to add/change branch subdomains:

[Support Guide] How to use Netlify’s branch deploy feature without Netlify DNS

Last reviewed by Netlify Support Staff: August 2023 So - you’ve discovered the concept of branch subdomains and want to use them! But you can’t use Netlify’s DNS Hosting? Never fear, there is a way to do this and this post will explain how in detail! Please note, however, that going this route means missing out on single click setup and all the goodness it includes - for example, getting an SSL certificate configured automatically. We also have Automatic Deploy Subdomains, which allows users …

Would you please create the DNS records according to those instructions and then reply here to let us know when that is complete?

If the DNS records are created according to those requirements, we’ll be happy to update the SSL certificate to include them. That is a manual process and only our support team can do this at this time (if using external DNS - again, this is all automatic with Netlify DNS).

​Please let us know if there are any questions and we look forward to getting the SSL certificate updated.