[dns-operations] 答复: about answer status

[Stephane Bortzmeyer]

On Mon, Jun 08, 2015 at 08:47:12AM +0000,
 张在峰 <zhangzaifeng at 360.cn> wrote 
 a message of 43 lines which said:

> I think you can read this article
> https://engineering.opendns.com/2014/06/23/nxdomain-nodata-debugging-dns-dual-stacked-hosts/
> and get the answer.

Unfortunately, this article starts with a mistake:

> An NXDOMAIN response means there are no records, of any DNS type,
> for the requested domain name.

That is not true, because of ENTs.