liquidat and others wrote in with the news that the DNS Root Servers were attacked overnight. It looks like the F, I, and M servers felt the attack and recovered, whereas G (US Department of Defense) and L (ICANN) did less well. Some new botnet flexing its muscle perhaps? AP coverage is here.
Thus spake the master programmer:
"When a program is being tested, it is too late to make design changes."
-- Geoffrey James, "The Tao of Programming"