Syncing DNS zones with different names

Chris Balmain bind-users at
Tue Nov 15 07:19:11 UTC 2011

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 

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

- Chris 

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