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
193.in-addr.arpa.
These servers manage the 193.in-addr.arpa zone
all servers delegate to
15.193.in-addr.arpa.
These servers manage the 15.193.in-addr.arpa zone
all servers delegate to
14.15.193.in-addr.arpa.
These servers manage the 14.15.193.in-addr.arpa zone