[dns-operations] DNS cookies in a mixed resolver anycast environment

[Mark Andrews]

> On 1 Jun 2019, at 2:01 am, sthaug at nethelp.no wrote:
> 
>> During the period, the oldest encounter and one of the most critical was a 17 year old Authoritative Servers running Windows DNS. They have now fixed this, it took around 6 months for them. I believe they were not alone. 
>> 
>> Just because 99.9% looks OK in statistics, does not mean that it really work in real life scenarios. Businesses and Government organs still think that "DNS is old and easy service, we do not need to update". 
>> 
>> Even if and when we reach out, there are instances that does not listen and still think it is our fault. 
> 
> And there are authors of DNS software out there who have no plans to
> implement EDNS (not even minimalist correct answers) - read the mail
> thread at
> 
>       https://mailman.powerdns.com/mailman/listinfo/pdns-users

That’s 16 years of email.  Which particular threads do you want people to look at?

> and weep. No, it's not really about PowerDNS.
> 
> Steinar Haug, AS2116
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742              INTERNET: marka at isc.org