On 11/21/22 17:30, Jim Popovitch via mailop wrote:
On Mon, 2022-11-21 at 17:10 -0800, Jay Hennigan via mailop wrote:
On 11/21/22 16:24, Jim Popovitch via mailop wrote:
I still think there's some weirdness going on. Firstly I'd be surprised
if Wietse hung www off of 1 NS, and then the base domain off of 2 NSes
on the same subnet.
Unless they're anycast. As a mild example, 4.2.2.1 and 4.2.2.2
Of course, but in this case simple testing says they aren't... unless
all the anycast end-points are hanging off a HE node in NYC.
Alternatively, if the resource that you're trying to reach is on the
same LAN (or machine) as both/all of its authoritative nameservers, it
doesn't matter in the larger scheme of things.
If a resource isn't reachable because its subnet is unreachable, then
whether or not authoritative DNS on the same subnet is working really
becomes kind of moot. You're not going to reach that resource whether or
not it resolves until the underlying issue gets fixed.
This doesn't seem to be the case with Postfix, however.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
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