Updating IP Automatically

[Cricket Liu]

> I am running bind-8.2.5.
>
> I was wondering if there was a way of dynamicly updating the IP on an A
> record that I could incorporate into a shell/perl script which will be
> run on the dns server.
> 
> I could quite easily write a perl script to change the file itself to
> update the ip, then reload named, but I would need to +1 to the serial
> which I would not know how to do.
> 
> 
> What I want to do, is run a script from cron which checks to see if my
> home ip has changed and if it has, update it.

Check out the Net::DNS Perl module, at 

http://www.fuhr.org/~mfuhr/perldns/

You can use it to send dynamic updates, which can do what
you want to do.
cricket

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