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
71.193.in-addr.arpa.
These servers manage the 71.193.in-addr.arpa zone
all servers delegate to
192-207.134.71.193.in-addr.arpa.
These servers manage the 192-207.134.71.193.in-addr.arpa zone