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
211.in-addr.arpa.
These servers manage the 211.in-addr.arpa zone
all servers delegate to
7.211.in-addr.arpa.
These servers manage the 7.211.in-addr.arpa zone
all servers delegate to
240.7.211.in-addr.arpa.
These servers manage the 240.7.211.in-addr.arpa zone