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
61.in-addr.arpa.
These servers manage the 61.in-addr.arpa zone
all servers delegate to
117.61.in-addr.arpa.
These servers manage the 117.61.in-addr.arpa zone
all servers delegate to
156.117.61.in-addr.arpa.
These servers manage the 156.117.61.in-addr.arpa zone