using TSIG how to add zone named configuration file?

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http://serverfault.com – Ive set up 2 dns servers. using tsig can someone tell me or direct me to a how to for adding zone to named.conf or named.conf.local file automatically? i mean if i add a zone in named.conf and file of the zone, i want it to be executed in the second server auto. is there a howto? tutorial? any one can direct me or? bind9-debian thnx (HowTos)