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
80.in-addr.arpa.
These servers manage the 80.in-addr.arpa zone
all servers delegate to
4.80.in-addr.arpa.
These servers manage the 4.80.in-addr.arpa zone
all servers delegate to
64-127.150.4.80.in-addr.arpa.
These servers manage the 64-127.150.4.80.in-addr.arpa zone