On 07/31/2012 03:21 PM, Ted Lemon wrote:
On Jul 31, 2012, at 3:14 PM, Michael Thomas wrote:
I'm probably going to get myself in trouble for ignorance, but if my
CPE's dns is not listed as an NS from the root servers, I don't think it's
authoritative. It may be supplying the zone via some master/slave
arrangement with the ISP, but that's only how the ISP getting its brains
for the home zone, and is just using zone transfers to affect that.
Doing the primary/secondary relationship this way is an operational choice; you
are correct that the primary in this case wouldn't be listed as authoritative,
but it would respond as if it were authoritative if queried—it would set the
'A' bit. But it would never receive a query other than a zone transfer from a
secondary.
Ok, thanks. I have it my head that "primary/secondary" means something
else wrt DNS zone transfers, but I guess I'm just confusing it with bind's
terminology.
Mike
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