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Thank you so much for the informative answer, Chris
Re: Compatibility with BIND
From: andrew kagan
Date: Sunday, September 26, 1999
Time: 3:43:00 pm
----- Original Message -----
From: Men & Mice Support <cbuxton@menandmice.com>
To: QuickDNS Talk <quickdns-talk@lists.menandmice.com>
Sent: Saturday, September 25, 1999 5:33 AM
Subject: Re: Compatibility with BIND
> At 11:53 AM -0700 9/24/99, andrew kagan wrote:
> >Hi: I've got someone exchanging secondary DNS with me, and they recently
> >upgraded to BIND 8.2.1. They're telling me their DB records are now going
to
> >have a TTL value before the SOA record:
> >
> >> I have upgraded to bind 8.2.1 and I now need to make a change in my
*.db
> >files like below:
> >
> >> $TTL <default TTL>
> >
> >> to the beginning of the file (before the SOA record).
> >
> >> Will your dns understand this new format or will it error out?
> >
> >
> >Does this present a problem for QDNS?
>
> It's not a problem. QuickDNS Pro will still be able to accurately mirror
> his zone data.
>
> If this person is just going to be using this directive before the SOA
> record, and nowhere else, then he can actually obtain the *exact* same
> effect by using the Minimum field of his SOA record.
>
> All the $TTL directive does is define a default TTL for subsequent
records.
> The Minimum field of the SOA record (the Domain Information dialog in
QDNS)
> defines a default TTL for the entire zone file. Either way, it is up to
the
> name server to interpret this in assigning appropriate TTL values to all
of
> its records. Therefore, when the zone is transferred to QuickDNS Pro, this
> directive will be expanded to an explicit TTL for each record.
>
> There are a handfull of these directives for BIND users; they are
analogous
> to macros in C, in that they are "expanded" (interpreted) prior to
> interpreting the rest of the file. You can think of them as a form of
> shorthand.
> ____________________________________________________________________
> Chris Buxton Men & Mice
> cbuxton@menandmice.com http://www.menandmice.com
>
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