[62113] in North American Network Operators' Group
Re: What *are* they smoking?
daemon@ATHENA.MIT.EDU (Mans Nilsson)
Tue Sep 16 03:28:30 2003
Date: Tue, 16 Sep 2003 09:27:38 +0200
From: Mans Nilsson <mansaxel@sunet.se>
To: Tomas Lund <tlund@swip.net>
Cc: Chris Adams <cmadams@hiwaay.net>, nanog@merit.edu
In-Reply-To: <Pine.LNX.4.53.0309160312340.24279@seven.swip.net>
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Errors-To: owner-nanog-outgoing@merit.edu
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Subject: Re: What *are* they smoking? Date: Tue, Sep 16, 2003 at 03:13:49AM=
+0200 Quoting Tomas Lund (tlund@swip.net):
>=20
> On Mon, 15 Sep 2003, Chris Adams wrote:
>=20
> > It appears that the most reliable way to detect a wildcard response for
> > 'somedomain.tld' is to query for '*.tld'; if the results match, then
> > 'somedomain.tld' doesn't really exist.
>=20
> Just make up a number of fake domains and resolve them. If they return the
> same answer, thats the answer to change back into NXDOMAIN.
More precise:=20
dig @ns.nic.nu. '*.nu' ANY
The quotes mean that the string '*.nu' will be passed straight to
the name server.
--=20
M=E5ns Nilsson Systems Specialist
+46 70 681 7204 KTHNOC
MN1334-RIPE
I'm EMOTIONAL now because I have MERCHANDISING CLOUT!!
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