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
72.in-addr.arpa.
These servers manage the 72.in-addr.arpa zone
all servers delegate to
228.5.72.in-addr.arpa.
These servers manage the 228.5.72.in-addr.arpa zone
all servers delegate to
65-123.228.5.72.in-addr.arpa.
These servers manage the 65-123.228.5.72.in-addr.arpa zone