Hi, After big frustration from some DNS providers, I've decided to roll my own with servers here in Israel, Ireland, and 2 US servers. I've configured the Master in Israel and the rest are slaves.
I threw some domains, and the sync works great. My problem is simple: The server in Israel answer queries from the world, but should the slaves answer too? If not, what happens when the master goes down? I checked some big names servers (like Yahoo) - their servers don't answer any queries. So should the slave server be configured not to answer any query from outside? (I know it's a non issue in corporates where you can configure both master and slave answer from internal IP's, but here there are no internal IP's). Thanks, Hetz
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