How to get easily (from a script) all CNAME of a A record?

[Michelle Konzack]

Hello *,

does someone know, how to get easily all CNAME records for a Host?

For example I have:

vserver09.tamay-dogan.net.  604800  IN A        88.168.69.36

www.can4linux.org.           86400  IN CNAME    vserver09.tamay-dogan.net.
www.fexray4linux.org.        86400  IN CNAME    vserver09.tamay-dogan.net.

So I have only the <vserver09> and want to know from a script the CNAMEs
which mean, I need a revers search.

How can I query this and which is the best (shell) tool?

I mean, currently I have a spider script installed on the NS which I can
run using 'ssh ${NS} query_script ${OPTS}' and on STDOUT I have  what  I
need, but I like to get a better solution, since sometimes  it  dos  not
work with DNSSEC and with more then 80000 Domains and more than 1million
hosts I run into timing problems.

Thanks, Greetings and nice Day/Evening
    Michelle Konzack

-- 
##################### Debian GNU/Linux Consultant ######################
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<http://www.itsystems.tamay-dogan.net/>  <http://www.flexray4linux.org/>
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