Root zone
These servers manage the DNS root zone
all servers delegate to
in-addr.arpa.
These servers manage the in-addr.arpa zone
all servers delegate to
212.in-addr.arpa.
These servers manage the 212.in-addr.arpa zone
all servers delegate to
247.212.in-addr.arpa.
These servers manage the 247.212.in-addr.arpa zone
all servers delegate to
54.247.212.in-addr.arpa.
These servers manage the 54.247.212.in-addr.arpa zone