For some zones, querying for a non-DS record, then a DS record would time out and SERVFAIL.
For some zones, querying for a non-DS record, then a DS record would
time out and SERVFAIL.

each/bind9-collab,each/bind9-collab,each/bind9-collab,each/bind9-collab,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9