Re: Bare TLD resolutions

[Owen DeLong <owen () delong com>]

On Sep 17, 2014, at 6:01 PM, Jimmy Hess <mysidia () gmail com> wrote:

> On Wed, Sep 17, 2014 at 11:09 AM, Jay Ashworth <jra () baylink com> wrote:
>
> > The latter would seem to be avoidable by making sure that *DNS resolution
> > of bare TLDs always returns NXDOMAIN*.
> [snip]
>
> Not  NXDOMAIN.    When  TLD.  is looked up,  they should always return NOERROR.

Well… A TLD which does not exist should return NXDOMAIN. For example, if I do a query for .NONEXISTANTTLD.,
then I should get NXDOMAIN…

Owens-MacBook-Pro:Downloads owendelong$ dig NONEXISTANTTLD.

; <<>> DiG 9.8.3-P1 <<>> NONEXISTANTTLD.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64254
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;NONEXISTANTTLD.                        IN      A

;; AUTHORITY SECTION:
.                       3600    IN      SOA     a.root-servers.net. nstld.verisign-grs.com. 2014091701 1800 900 604800 
86400

But for any TLD which exists, yes.

Owen