Adding CNAME for the root domain issue

Barry Margolin barmar at
Wed Apr 27 19:44:07 UTC 2016

In article <mailman.645.1461772844.73610.bind-users at>,
 Sam Wilson <Sam.Wilson at> wrote:

> In article <mailman.633.1461768150.73610.bind-users at>,
>  "Baird, Josh" <jbaird at> wrote:
> > Any thoughts on a service like Cloudfare's 'CNAME Flattening' [1]?
> > 
> > [1] 
> >
> > s-at-a-domains-root/
> <delurk>
> Does anyone else find themselves mentally yelling "apex!" whenever they 
> read the word "root" in that document?
> </delurk>

I've long since stopped getting bothered by sloppy language like this, 
ever since people started using "IP" as short for "IP address", or using 
"class A, B, C" to refer to /8, /6, and /24 prefixes, rather than the 
original address ranges.

The context always makes it clear when root == apex.

Barry Margolin
Arlington, MA

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