Root zone
These servers manage the DNS root zone
in-addr.arpa.
These servers manage the in-addr.arpa zone
61.in-addr.arpa.
These servers manage the 61.in-addr.arpa zone
211.61.in-addr.arpa.
These servers manage the 211.61.in-addr.arpa zone
210.211.61.in-addr.arpa.
These servers manage the 210.211.61.in-addr.arpa zone
128.210.211.61.in-addr.arpa.
These servers manage the 128.210.211.61.in-addr.arpa zone