On 2007-Jul-17 11:06:30 +0200, "Heiko Wundram (Beenic)" <[EMAIL PROTECTED]> wrote: >By the way: using the roots as hints only adds to the number of requests your >server has to do in order to retrieve first-level domain name servers, so in >the end, the transmitted data should be way higher than doing one AXFR to >find them (simply because you'll see a large subset of those toplevel domains >being requested when you're publically offering a DNS server). And the data >is also cached on an AXFR in persistant storage, which is another major >benefit (for me).
Note that it's not just a single AXFR - you need to update your local slave copy whenever the master copy changes. I'm not sure how often this is but the current SOA has a 1-day timeout and appears to be about 24 hours old. I suspect the total data transferred via AXFRs will be significantly higher than just caching lookup results. -- Peter Jeremy
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