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
213.in-addr.arpa.
These servers manage the 213.in-addr.arpa zone
all servers delegate to
55.183.213.in-addr.arpa.
These servers manage the 55.183.213.in-addr.arpa zone