Custom Domain - Insecure Connection Error - Please help!

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When I connected my custom domain, using api.mydomain.com.. it worked, kind of. It says that it's connected and is showing my custom domain on my Xano instance, but when I try to click on the instance to open it, i get this error (image attached).

Does anyone know how to resolve this? I clicked "Proceed to api.autosnap.cloud, and it won't load. Now any api endpoint also doesn't work with the custom domain attached.

My DNS settings with google domain are very simple:

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