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
198.in-addr.arpa.
These servers manage the 198.in-addr.arpa zone
all servers delegate to
121.54.198.in-addr.arpa.
These servers manage the 121.54.198.in-addr.arpa zone
all servers delegate to
0-25.121.54.198.in-addr.arpa.
These servers manage the 0-25.121.54.198.in-addr.arpa zone