SOA Minimum comment in "dig" output

Daniel Stirnimann daniel.stirnimann at
Mon Feb 12 09:29:23 UTC 2018

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.


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