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
185.in-addr.arpa.
These servers manage the 185.in-addr.arpa zone
all servers delegate to
56.138.185.in-addr.arpa.
These servers manage the 56.138.185.in-addr.arpa zone
all servers delegate to
128-255.56.138.185.in-addr.arpa.
These servers manage the 128-255.56.138.185.in-addr.arpa zone