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
81.in-addr.arpa.
These servers manage the 81.in-addr.arpa zone
all servers delegate to
93.209.81.in-addr.arpa.
These servers manage the 93.209.81.in-addr.arpa zone
all servers delegate to
129-191.93.209.81.in-addr.arpa.
These servers manage the 129-191.93.209.81.in-addr.arpa zone