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
164.in-addr.arpa.
These servers manage the 164.in-addr.arpa zone
all servers delegate to
192-255.39.215.164.in-addr.arpa.
These servers manage the 192-255.39.215.164.in-addr.arpa zone