nsupdate question

[janl at linpro.no]

"Joe Feldman" <josephf at edgix.com> tastet:
> I was told by a Sun engineer that nsupdate makes changes to memory only and
> that it doesn't actually write/delete resource records into zone files.  Is
> this true?  I was hoping to write a script using nsupdate to maintain my
> DNS.

The Sun engineer must not have noticed that BIND writes a log file of
all changes received by nsupdate (or other DNS UPDATE client), and that
even if the zone file is not updated at once it will be updated later,
and if BIND crashes before the zone file is updated it will read the
log file and integrate the changes.

In other words, he was wrong.

Regards,
  Nicolai