I think there may be a hidden feature in MiaB to help with this, but I don’t use it so I haven’t explored it. And I’m not sure if it is possible with DNS entries. I probably should actually figure out a better solution.
However, since nobody has replied, here is one way that can work.
You can use a simple HTML file to perform the redirect:
<!DOCTYPE html>
<html>
<head>
<title>example.com</title>
<meta HTTP-EQUIV="REFRESH" content="0; url=//www.example.org/" />
</head>
<body>
<p>Redirecting...</p>
</body></html>
Note that this is not permanent, so unless users update their links, they will continue to load the page, plus some devices or apps may not read the HTML headers. Also note that permanent redirects are permanent.