no NS but having A record

[Scott Haneda]

On May 11, 2009, at 2:56 AM, Tech W. wrote:

> For this domain, gdpu.cn, I tried to find its ns record:
>
> dig gdpu.cn ns
>
> with no results.
>
> But I can dig its www record as below.
> why this happened? I can't understand entirely..
> Thanks.


Actually, here is what I get back:
$dig gdpu.cn ns

; <<>> DiG 9.4.2-P2 <<>> gdpu.cn ns
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 36064
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;gdpu.cn.			IN	NS

;; ANSWER SECTION:
gdpu.cn.		3548	IN	NS	gdpu.cn.
gdpu.cn.		3548	IN	NS	dns4.dmz.local.

;; Query time: 16 msec
;; SERVER: 208.67.222.222#53(208.67.222.222)
;; WHEN: Mon May 11 03:44:13 2009
;; MSG SIZE  rcvd: 67

I do not think you can have a .local NS.  Both of those NS's have to  
be reachable by the outside world, and .local is not. It may be on  
your local lan, but outside that, it will not be.
-- 
Scott * If you contact me off list replace talklists@ with scott@ *