[dns-operations] RFC2308, negative answer caching, and the largest gTLDs

[Andrew White]

>
> From: James Stevens <James.Stevens at jrcs.co.uk>
> "The TTL of this record is set from the minimum of the MINIMUM field of
> the SOA record and the TTL of the SOA itself"
>
> min(900,86400) = 900
>
> "and indicates how long a resolver may cache the negative answer"
>
> TTL cache neg = 900
>
​
Exactly! So what is the point of having an SOA MIN field value greater than
the SOA TTL?

Andrew
​
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