Hello Paul, On Tue, 2020-09-01 at 01:36 +0000, Paul Hoffman wrote: > On Aug 31, 2020, at 6:02 PM, Brian Dickson <[email protected]> > wrote: > > I think the only way to get meaningful data would be an active experiment, > > involving an authority server (or set of servers) for a domain set up just > > this way. > > We disagree. Another way to get meaningful data would be from someone's logs, > if we can find people who are logging.
I cannot speak for any other piece of software, but the way PowerDNS Recursor uses connected UDP sockets to talk to authoritatives means that the kernel already drops responses from wrong addresses, so there is no way we would even know, and thus could not log such an event even if we wanted to. Kind regards, -- Peter van Dijk PowerDNS.COM BV - https://www.powerdns.com/ _______________________________________________ dns-operations mailing list [email protected] https://lists.dns-oarc.net/mailman/listinfo/dns-operations
