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Re: recursive lookups-followupFrom: Brad Michels Date: Friday, December 13, 2002
Time: 9:32:20 amAs a follow up, there is also the ability to build in Query restrictions
and Transfer restrictions. Is it adviseable to limit both of these to
servers within your own network and, as in our case where our ISP is our
secondary, our secondary DNS?
Thanks!
Brad Michels
Network Administrator
East Grand School District
Granby, Colorado
970-887-3312
bmichels@cubs.egsd.k12.co.us
quickdns-talk@lists.menandmice.com writes:
>By default, with the setting at recursive query resolving, your
>server handles recursion itself. When a query comes in from a client
>machine, your server does all the work necessary to resolve that name.
>
>With forwarding turned on, your server will simply relay the client
>request to another DNS server, and let that other server do all the
>heavy lifting. This is desirable in situations when a DNS server is
>not able to access the Internet or has a slow Internet connection.
>
>Normally, when forwarding, the DNS server has a fairly short timeout
>period for the forwarder (the upstream DNS server) to respond. If
>that forwarder (or those forwarders) doesn't/don't respond in that
>time, it will go ahead and try to do the lookup itself. If the "work
>as slave server" option is turned on, it will not do this and will
>rely entirely on its forwarders.
>____________________________________________________________________
>Chris Buxton Men & Mice
>support@menandmice.com Making DNS Easy
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