The FTC is more responsive than NASA
appneta.com
appneta.com
Even if it would be cheaper and better for everyone to pay all the staff to keep it running, that's not necessarily allowed.
This sounds crazy, but the federal government really isn't designed to operate without a budget.
This is part of the reason why 'what to shut down' is a complicated question. For example, some sites remained up even though the main portal linking to them went down, so you could only access them if you knew about it already. Other sites were able to stay up in entirety, but froze support/updates for everything but a few critical portions.