[dns-operations] Flush DNSSEC from Cache

Warren Kumari warren at kumari.net
Wed Dec 18 15:23:41 UTC 2019


On Wed, Dec 18, 2019 at 9:10 AM Jay, Tim via dns-operations
<dns-operations at dns-oarc.net> wrote:
>
>
>
>
> ---------- Forwarded message ----------
> From: "Jay, Tim" <timothy.jay at markmonitor.com>
> To: "dns-operations at lists.dns-oarc.net" <dns-operations at lists.dns-oarc.net>
> Cc:
> Bcc:
> Date: Wed, 18 Dec 2019 07:06:56 +0000
> Subject: Flush DNSSEC from Cache
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> Hello DNSOPS,
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> Will you please flush adp.com from your caches if you are doing DNSSEC validation?
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> I would greatly appreciate a reply if you have been able to flush your cache succusfully.
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>


Flushed from Google's 8.8.8.8 resolvers....

Cloudflare provides a page at https://cloudflare-dns.com/purge-cache/
-- I clicked some buttons there, and so it should be flushed from
1.1.1.1 as well...


A few years back Joe Abley and I had written "A Mechanism for
Remote-Triggered DNS Cache Flushes (DNS FLUSH)"
(draft-jabley-dnsop-dns-flush-00), and "Requirements for a Mechanism
for Remote-Triggered DNS Cache Flushes"
(draft-jabley-dnsop-flush-reqs-00). I've also got a draft,
presentation and some PoC code for creating a "DNS exchange" (a
concept similar to an IXP, but for DNS). This would allow sharing of
zonefiles, and also the ability to request cache flushes through an
automated, authenticated system. Other projects got in the way, but
I've been meaning to get back to this sometime...

W


>
> Thank you,
>
>
>
> Tim Jay
>
> Domain Client Services Manager, MarkMonitor |  Clarivate Analytics
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> ---------- Forwarded message ----------
> From: "Jay, Tim via dns-operations" <dns-operations at dns-oarc.net>
> To: "dns-operations at lists.dns-oarc.net" <dns-operations at lists.dns-oarc.net>
> Cc:
> Bcc:
> Date: Wed, 18 Dec 2019 07:06:56 +0000
> Subject: [dns-operations] Flush DNSSEC from Cache
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-- 
I don't think the execution is relevant when it was obviously a bad
idea in the first place.
This is like putting rabid weasels in your pants, and later expressing
regret at having chosen those particular rabid weasels and that pair
of pants.
   ---maf



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