Practices (5)

Make a child zone of your main zone
set up the name server for the child zone
child.soiN.jinmei.org
define NS and glue for the child zone in the parent's zone file
check if the delegation works correctly

Set up the secondary server for your child zone
mutual secondary with your partner

Identify lame delegation
Which of the followings include lame delegation?
{child1,child2,...,child10}.jinmei.org