Miek Gieben <m...@miek.nl> wrote:
>
> > There is a simpler procedure for change of operator, which only requires
> > operators to be able to import extra DNSKEY RRs - the same for both the
> > old and the new operator. It does not require cross-signing as described
> > in rfc4641bis, and it does not require either operator to host NS records
> > pointing at a competitor.
>
> Isn't this?
> https://tools.ietf.org/html/draft-koch-dnsop-dnssec-operator-change-04
> Section 3.1

Er, yes, thanks for reminding me that I should have read that document.

A few differences: That draft makes the excellent point that you only need
to copy the ZSK DNSKEY RRs between the old and new versions of the zone -
there's no need to copy the KSK too. It also considers the TTLs more
carefully than I did. And it proposes to use the registry to transfer the
new DNSKEY RR to the old operator, whereas I was thinking that the domain
owner would do it, either via the operators' web interfaces or via an API
etc. This has the advantage that the same functionality provided by the
operators (adding DNSKEY records without private keys) is useful for
gaining customers not just for losing them - better security economics.

Tony.
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