Simple Zone file question
roy at nlnetlabs.nl
Wed Mar 29 18:46:29 UTC 2000
On Wed, 29 Mar 2000, Roy Arends wrote:
> On Wed, 29 Mar 2000, Aaron Anderson wrote:
> > Here's a quicky, can someone tell me the difference b/t refresh, expire,
> > and minimum in a zone file. Which one controls how long that zone file
> > is cached on a DNS server??? Basically my ISP will be changing my IP
> > soon, and I would like to reduce the possible problems with name servers
> > that will cache my old IP. If I understand correctly, one of the above
> > settings controls how long the zone file is cached on a server. If so
> > which one?
> > Thanks,
> > Aaron
> Okay, after REFRESH seconds the slave contacts the master for a new copy
> of the zone. If this fails, it waits RETRY seconds before it's trying to
> get it again.
> It stops retrying after EXPIRE seconds.
This must be: EXPIRE specifies the time it waits until the zone is no
> These are the values
> with regards to primary & secondary (or slave) zone's. MINIMUM stands for
> minimum TTL. This controls how long other servers will cache
> no-such-domain (NXDOMAIN) responses from you.
> If any, you probably want to change REFRESH.
> Now and then an innocent person is sent to the legislature.
> roy at nlnetlabs.nl NLnetLabs
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