If I'm reading this correctly, it looks like delegation DOES work from the slave.
Looking at the zone file for sub.example.org. from the main DNS server, is the delegation present for dyn.sub.example.org.? (e.g. is there a dyn.sub.example.org. IN NS dynsub.example.org. in the zone file for sub.example.com. on the main DNS server?) And does the zone file on the main have a glue record for dynsub.example.org.? Regards, Bob
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