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
185.in-addr.arpa.
These servers manage the 185.in-addr.arpa zone
all servers delegate to
224-255.76.18.185.in-addr.arpa.
These servers manage the 224-255.76.18.185.in-addr.arpa zone