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
209.in-addr.arpa.
These servers manage the 209.in-addr.arpa zone
all servers delegate to
135.137.209.in-addr.arpa.
These servers manage the 135.137.209.in-addr.arpa zone
all servers delegate to
192-255.135.137.209.in-addr.arpa.
These servers manage the 192-255.135.137.209.in-addr.arpa zone