On Tue, 13 Dec 2011, Spain, Dr. Jeffry A. wrote: > My question is whether or not the bind9 nsupdate utility can be used to > update a bind10 zone. This does not currently exist, but it is part of the current development. See http://bind10.isc.org/wiki/DDNSDesignDocument and http://bind10.isc.org/ticket/1451 and several other tickets related to this.