3839. [test] Use only posix-compatible shell in system tests.
[RT #35625]
(cherry picked from commit 60988462e5)
(cherry picked from commit 812cf443bb)
- check for NSEC3 in empty nodes when not due to optout delegations
- fixed typo in output ("Bad record NSEC record")
- incidentally fixed an error in signzone that caused an
incorrect warning about missing DNSKEYs when using -S
and -3 together
3473. [bug] dnssec-signzone/verify could incorrectly report
an error condition due to an empty node above an
opt-out delegation lacking an NSEC3. [RT #32072]
(cherry picked from commit 9a0dd99a75)