Syncing DNS zones with different names

Matthew Seaman m.seaman at
Tue Nov 15 08:05:11 UTC 2011

On 15/11/2011 07:19, Chris Balmain wrote:
> Let's say I have two domain names, and, and I want to
> synchronise all records underneath them (one-way sync, that is). So if I
> create an A record pointing at, is also
> automatically created, with the same value. So it's almost like a
> master/slave relationship, but the slave zone has a different name to
> the master.
> Let's assume the two zones will be hosted on the same set of
> nameservers, so even the SOA and NS records will be identical between them.
> I've been googling, but haven't found anything. Does anyone know if this
> is natively possible with Bind 9, or will I have to hack a script
> together to do a transfer from the zone and parse the data to
> build an equivalent zone file for


It's like CNAME, but for whole domains.



Dr Matthew J Seaman MA, D.Phil.                   7 Priory Courtyard
                                                  Flat 3
PGP:     Ramsgate
JID: matthew at               Kent, CT11 9PW

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