Root zone
These servers manage the DNS root zone
all servers delegate to
com.
These servers manage the com zone
all servers delegate to
amazon.com.
These servers manage the amazon.com zone
all servers delegate to
mail-perimeter.amazon.com.
These servers manage the mail-perimeter.amazon.com zone
all servers delegate to
outbound.mail-perimeter.amazon.com.
These servers manage the outbound.mail-perimeter.amazon.com zone