A family of Microsoft on-premises document management and storage systems.
It seems that the shortcuts are working properly on both URLs, but the credentials have been expired for the existing server name shortcuts.
Have you added the URL which contains your server name and also the one contains intranet name to the Trusted Sites list of browser?
You can refer to the article here for the methods to avoid prompting for credentials: SharePoint Keeps Asking for Password Everytime?
If the issue remains, you might have to manually renew the existing server name shortcut URLs.
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