bind 8.2.1 & default TTL
Scott Morizot
tmorizot at ccsi.com
Tue Aug 3 00:17:06 UTC 1999
On 2 Aug 99, at 17:35, Joseph S D Yao wrote:
> > What is the purpose of $TTL if the SOA TTL is used when $TTL is absent?
> > What advantage does $TTL offer over simply using the TTL in the SOA?
>
> There is no SOA TTL any more. The field that used to be the SOA TTL is
> now the "negative caching time". For backwards compatibility, zone
> files without a $TTL get the $TTL from that field. But I believe that
> this is a limited-time offer. ;-)
Besides, even if used as the TTL by default, it is *still* used
for negative caching, I believe. Most people probably don't
want the same value used for both purposes.
Scott
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