From: thomas springer (tuevsec@gmx.net)
Date: Sun Feb 12 2006 - 14:32:27 EST
I'm stumbling more and more over domains that have a A-Record for
*.domain.tld set in their zonefile - with the effect that every
ns-lookup for an A-Record on this domain returns an ip, even if the
hostname is not really existing. You might check for the wildcard with a
simple "dig *.domain.tld A +short".
Is there a way to distinguish the *.dom.tld-matching from a real
existing A-Record using a ns-lookup alone?
tom
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