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
202.in-addr.arpa.
These servers manage the 202.in-addr.arpa zone
all servers delegate to
222.202.in-addr.arpa.
These servers manage the 222.202.in-addr.arpa zone
all servers delegate to
20.222.202.in-addr.arpa.
These servers manage the 20.222.202.in-addr.arpa zone