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
38.in-addr.arpa.
These servers manage the 38.in-addr.arpa zone
all servers delegate to
206.51.38.in-addr.arpa.
These servers manage the 206.51.38.in-addr.arpa zone