On Tue, Sep 18, 2018 at 03:39:57PM +0200, Rene 'Renne' Bartsch, B.Sc. Informatics via ksk-rollover <ksk-rollover at icann.org> wrote a message of 11 lines which said: > which IETF RFCs define the KSK rollover for resolvers? RFC 5011 for an automatic rollover. RFC 6781 and 7583 are also useful readings.