Root zone
These servers manage the DNS root zone
all servers delegate to
net.
These servers manage the net zone
all servers delegate to
cloudfilter.net.
These servers manage the cloudfilter.net zone
all servers delegate to
a.cloudfilter.net.
These servers manage the a.cloudfilter.net zone
all servers delegate to
mx.a.cloudfilter.net.
These servers manage the mx.a.cloudfilter.net zone