Are the TYPE65535 RRs necessary?

[Evan Hunt]

> They indicate that the zone is in a transition state, such as being
> signed by a new key or having signatures from a deleted key removed.
> 
> This should probably be documented better, but since that record is
> only for named's internal record-keeping (it ensures that the signing
> process can pick up where it left off if it was interrupted by a
> crash), it hasn't been.

Oh, I should add:  We recently found out that 65535 is reserved by IANA, so
we changed it in 9.6.1b1 to 65534.  So if you were grepping for the old
value, you might've missed it.  (The type number can be overridden by the
sig-signing-type zone option.)

-- 
Evan Hunt -- each at isc.org
Internet Systems Consortium, Inc.