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[dns-wg] PTR-Queries asking for type A or AAAA
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David Conrad
drc at virtualized.org
Sun Jan 10 01:35:21 CET 2016
> On Jan 9, 2016, at 6:56 AM, Bjørn Mork <bjorn at mork.no> wrote: > > Randy Bush <randy at psg.com> writes: > >>> today I noticed, that my DNS servers are getting a noticable amount of >>> DNS queries for my IPv4 reverse zone, asking for type A or AAAA. >> >> how strange, as a reverse zone should pretty much be all PTRs > > Not always: https://cr.yp.to/djbdns/walldns.html > > Maybe someone is testing for walldns presence? Not that it is a > particularily good test, but you never know what the kids will do... > Nope, that cannot explain AAAA requests so there is probably something > else going on. My guess (with no data) would be a spam run using harvested domain names that didn't weed out silly names (why bother if you're a spammer?). Regards, -drc -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 496 bytes Desc: Message signed with OpenPGP using GPGMail URL: </ripe/mail/archives/dns-wg/attachments/20160109/ee3ebf92/attachment.sig>
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