Megapath/Covad DNS broken?

[Robert Glover <robertg () garlic com>]

Hello,

Seems like some Megapath/Covad DNS servers are non-responsive:

64.105.172.26
64.105.172.27

We have dozens of end-users down that utilize these servers.  Anyone 
from MP/Covad alive this morning??

Thanks,
-Bobby