On Thu, Sep 11, 2014 at 9:13 PM, Mark Andrews <ma...@isc.org> wrote:
>
> The following will work for any zone w/o a embedded period in a label.
>
> zone="$1" parent="$1" ns=
> while test -z "$ns" -a -n "$parent"
> do
> parent=`expr "X$zone" : '^[^.]*.\(.*\)'`
> ns=`dig +short ns -q "$parent"`
> done
> (
> for s in $ns
> do
> dig +noall -q "$zone" soa "@$s" +authority
> done
> ) | awk '{print $5}' | sort -ui
>
Mark,
Thanks for helping out a guy like me learn how to be more useful with
bash. I am using this plus my own changes to do testing of a hosting
environment here today.
Thanks for sharing this code.
Cheers,
Jonathan
>
> > --
> > Mark E. Jeftovic <mar...@easydns.com>
> > Founder & CEO, easyDNS Technologies Inc.
> > +1-(416)-535-8672 ext 225
> > Read my blog: http://markable.com
> >
> > _______________________________________________
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> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org
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>
--
Jonathan
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