unqualified domains, was ICANN to allow commercial gTLDs

Mark Andrews marka at isc.org
Mon Jun 20 00:08:45 UTC 2011

In message <g339j59ywz.fsf at nsa.vix.com>, Paul Vixie writes:
> Adam Atkinson <ghira at mistral.co.uk> writes:
> > It was a very long time ago, but I seem to recall being shown http://dk,
> > the home page of Denmark, some time in the mid 90s.
> >
> > Must I be recalling incorrectly?
> no you need not must be.  it would work as long as no dk.this or dk.that
> would be found first in a search list containing 'this' and 'that', where
> the default search list is normally the parent domain name of your own
> hostname (so for me on six.vix.com the search list would be vix.com and
> so as long as dk.vix.com did not exist then http://dk/ would reach "dk.")
> -- 
> Paul Vixie

DK should NOT be doing this.  DK is *not* a hierarchical host name
and the address record should not exist, RFC 897.  The Internet
stopped using simple host names in the early '80s.  In addition to
that it is a security issue similar to that described in RFC 1535.

Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org

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