I think it's particularly interesting that the US use .gov and not .gov.us (as a Brit). I'm sure there are oversights on who can acquire an inherently international .gov domain, but for example here in the UK .gov.uk domains have a strict application process [0] managed by central government. It just seems to me that it would be more secure, and more reassuring to citizens and visitors that they are on the correct si…
Do .gov's have to be renewed every year with ICANN? What if a dept lets theirs lapse and some squatter swoops in and takes it? We'll start the bidding at $1B USD...
If you have a .com domain, you're renewing with VeriSign, the company that owns the com TLD.