Forwarding old subdomains to new

Hi everyone - I have been bashing my head against the wall for 2 weeks now trying to get our old site ( to redirect to the new one (

It is configured correctly on the GoDaddy level but if you go to any other page you get a 404 error (e.g,

Adding custom redirects doesn’t seem to solve things either, and none of our backlinks have transferred over (according to Ahrefs)

Anyone know what could be going on?

Here is my site Read-Only: LINK
(how to share your site Read-Only link)