Card validator changing my domain to subdomain


When I tell the Twitter Card Validator to check
it returns with a card with twitter.url set to

Why does it change the domain?

Yes, is an alias for, but I do not publish any links with the “” domain. does not appear in my content nor in any HTTP headers I can find.


Our system follows redirects to the source web host. Only way to change this is to point your .net directly to the .com at your DNS hosting site.