Root zone
These servers manage the DNS root zone
in-addr.arpa.
These servers manage the in-addr.arpa zone
202.in-addr.arpa.
These servers manage the 202.in-addr.arpa zone
222.202.in-addr.arpa.
These servers manage the 222.202.in-addr.arpa zone
27.222.202.in-addr.arpa.
These servers manage the 27.222.202.in-addr.arpa zone
128-191.27.222.202.in-addr.arpa.
These servers manage the 128-191.27.222.202.in-addr.arpa zone