Assuming you are using networkmanager, the first thing would be to check the DNS settings on your home wifi connection (assuming you are using Gnome, it should be inside “Settings” and then “Network” - sorry if that’s wrong, I don’t use Gnome).

If you can’t locate the setting to change, you can try deleting the whole connection and connecting again (as you would to a new wifi network).

It’s good that you managed to do draw that, but… I’m afraid your post is still OT :)