Make a Trust Chain: example (2/2)

At parent
create delegation, glue, and incorporate the DS
    child.sec.jinmei.org.   IN  NS      ns.child.sec.jinmei.org.
    ns.child.sec.jinmei.org.  IN  A       192.0.2.1
    child.sec.jinmei.org.   IN DS 8812 1 1 42DE26F06D174FC6E72780BC563B28546034F0D7
Resign the zone
    # dnssec-signzone -o sec.jinmei.org -g -k Ksec.jinmei.org.+001+43015 sec.jinmei.zone