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
237.210.in-addr.arpa.
These servers manage the 237.210.in-addr.arpa zone
167.237.210.in-addr.arpa.
These servers manage the 167.237.210.in-addr.arpa zone
192.167.237.210.in-addr.arpa.
These servers manage the 192.167.237.210.in-addr.arpa zone