[rbldnsd] Associating TTL to some NXDOMAIN replies

[John R Levine]

> It should be possible, as NXDOMAIN packets leave with their own
> AUTHORITY section containing the SOA so -in theory- each packet could
> actually leave with a different SOA and therefore a different TTL.
> That SOA is not going to be cached AFAICT and will only be used with
> regard to the TTL of NXDOMAIN for the requested RR.
> So it shouldn't collide with the "real SOA" of the zone either.

I see what you're getting at, but I wouldn't want to assume that DNS 
caches work the way that seems most obvious.  I'll see if BIND-users has 
anything interesting to say.

Regards,
John Levine, johnl at taugh.com, Taughannock Networks, Trumansburg NY
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