DNSSEC and IXFR

[Matus UHLAR - fantomas]

Hello,

Just for my curiosity:

Is it possible to update DNSSEC-signed domain, re-sign and generate 
small differencies to be transferred by IXFR?

Does it apply with dynamic updates, and with manually configur4ed 
zones (via ixfr-from-differencies turned on)?

OT: if anyone uses opendnssec, does is have this feature too? 
-- 
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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