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
31.in-addr.arpa.
These servers manage the 31.in-addr.arpa zone
all servers delegate to
76.177.31.in-addr.arpa.
These servers manage the 76.177.31.in-addr.arpa zone