[dns-operations] TLD(s) for private use

Paul Vixie paul at redbarn.org
Wed Sep 6 17:31:55 UTC 2017

On Wednesday, September 06, 2017 12:44:23 PM Andrew Sullivan wrote:
> On Wed, Sep 06, 2017 at 10:51:29AM -0500, Chris Adams wrote:
> > It would be easy to avoid collisions though (unlike IP addresses, DNS
> > can be arbitrary length, up to a limit).  Rather than use foo.internal,
> > prepend a registered domain, like foo.dns-oarc.net.internal.
> And that nicely illustrates why this isn't a problem that needs
> solving: unlike the IPv4 space, we have plenty of octets in the 255
> limit.  So, there is no need for people go to stomping about on some
> supposedly shared "private" space.  If you can do
> foo.dns-oarc.net.internal, you can just as easily do
> internal.foo.dns-oarc.net.  The analogy with RFC1918 address space is
> just a hammer looking for nails.


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