architecture question

Steven Carr sjcarr at
Wed May 8 17:45:22 UTC 2013

You could ask your institution for a subdomain to be reserved from their domain?

.lan isn't AFAIK reserved for anything or in the process of being
considered by ICANN.
.test is reserved and will never be advertised on the internet (as are
.example, .invalid and .localhost)

On 8 May 2013 18:33, Jeremy P <jpcraigs at> wrote:
> I understand letter of the law, spirit of the law and playing it safe to
> avoid headaches.
> However, there are times where registering a real domain just isn't
> practical.  For example, I'm not going to ask all of the students in my
> courses to go out and register a .com for the semester.  It would be a waste
> of money as their systems never leave the local network, except through a
> NAT connection.  So in those types of instances, I'm assuming .lan or .test
> are safest?
> On Wed, May 8, 2013 at 11:20 AM, Steven Carr <sjcarr at> wrote:
>> On 8 May 2013 18:09,  <WBrown at> wrote:
>> > This just came up with a site I support.  Thanks to this list and the
>> > DNS-OARC list, I know better. Hopefully, I can redirect them to use
>> > something below their real domain for Active Directory such as
>> >
>> FWIW: MS now advises not to use .local for internal AD anymore. They
>> suggest you use your owned/registered namespace to prevent domain
>> collisions.
>> Generally, we recommend that you register DNS names for internal and
>> external namespaces with an Internet registrar... Registering your DNS
>> name with an Internet registrar may help prevent a name collision.
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