SOA Minimum comment in "dig" output

Carsten Strotmann cas at
Mon Feb 12 09:58:38 UTC 2018

Hi Daniel,

Daniel Stirnimann <daniel.stirnimann at> writes:

> Hello Carsten,
>> RFC 2308 "DNS NCACHE" defines the last field of the SOA RR as "the TTL of
>> negative responses".
> Negative caching TTL is not defined as the last field of the SOA RR:
> "When the authoritative server creates this record its TTL
> is taken from the minimum of the SOA.MINIMUM field and SOA's TTL."
>> Why is dig still showing the old description "minimum" about the meaning
>> of the field?
> Because minimum is what it is? It's not negative caching ttl, see above.

great, make sense, and I forgot about this.



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