Root zone
These servers manage the DNS root zone
in-addr.arpa.
These servers manage the in-addr.arpa zone
210.in-addr.arpa.
These servers manage the 210.in-addr.arpa zone
188.210.in-addr.arpa.
These servers manage the 188.210.in-addr.arpa zone
236.188.210.in-addr.arpa.
These servers manage the 236.188.210.in-addr.arpa zone
128-191.236.188.210.in-addr.arpa.
These servers manage the 128-191.236.188.210.in-addr.arpa zone