Add netlify to subdomain while leaving apex domain as it was

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1

I would like this site https://sensemakers.netlify.app/ to be served under

https://app.sense-nets.yxz

My domain is registered with namecheap, it also includes google-workspace configurations to handle emails and serves a landing page (or served one) at https://sense-nets.xyz

To add my netlify app I add a CNAME record with app that points to sensemakers.netlify.app.

It works fine, but the SSL certificate is not detected. And when I want to provision one using the automated process from netlify, it fails.

If I remove all of my previous configuration and use Netlify DNS instead of the one of namecheap, the SSL certificates work fine, but I loose my landing page under sense-nets.xyz, and I also loose my email configuration.

Should I use Netlify DNS and configure it to serve the landing page under sense-nets.xyz, and the email with Google? or should I keep Namecheap DNS and configure it to serve the app under app.sense-nets.xyz and find a way for the SSL certificate to work?

Right now it’s almost working, with netlify as DNS manager, but my email configuration was not moved from namecheap DNS to netlify DNS

Thanks

2

I am not certain how you have set up DNS, but this article s has shed some light on why I have similar problems: How to Set Up Netlify DNS - Custom Domains, CNAME, & Records

Specifically:

This means that if you set up a CNAME record for example.com , you wouldn’t be able to set up MX records—so you wouldn’t be able to receive email at that domain.