question about ttl value

[phn at icke-reklam.ipsec.nu]

John Smith <nospam at nospam.net> wrote:
> Hello,

> I am new to bind. I would like to know the difference of TTL given before
> SOA record and after expiration time.

It's decribed in RFC2308.

The TTL of the SOA itself ( second column before 'SOA') tells other
nameservers how long that can cache the SOA. The last parameter
of the SOA tells other nameservers how long to cache a negative
answer for this zone.

> John



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Peter Håkanson         
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