My domain isnt working and idk why

Bug description:
i have linked a domain to one of my replits and it says it has verified
but when i click on the link outside of replit it does not want to work and im very confused as other domains for other people have worked

Bug appears at this link:
https://chat.mathspace.ml

Screenshot(s)/Screen Recording:

Browser/OS/Device: Chrome/112.0.0.0

https://replit.com/@tylercraven2