query restricted on sub domain

[Mark_Andrews at isc.org]

> Hi Kevin,
> Nothing special about that domain and I dont have any subdomains for
> that specified in the named.conf file. The domain is norgren.com (as I
> cant be bothered to change it all the time), its specified in the zone
> file as
> 
> usa     IN      NS      ns.usa.norgren.com.
>         IN      NS      ns2.usa.norgren.com.
> 
> Now i noticed something strange when I tested it from home, the
> servers returned the response the first time, then it was refused, fyi
> the primary is 193.129.122.21, scdr is 193.129.122.10. As you can see
> both the primary and secondary gave answers for www.usa.norgren.com
> and then refused them !!

	Make non-recursive queries.  This is what caching nameservers
	do.

	Mark

; <<>> DiG 8.3 <<>> www.usa.norgren.com @193.129.122.10 +norec 
; (1 server found)
;; res options: init defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52075
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;;	www.usa.norgren.com, type = A, class = IN

;; AUTHORITY SECTION:
usa.norgren.com.	2H IN NS	ns.usa.norgren.com.
usa.norgren.com.	2H IN NS	ns2.usa.norgren.com.

;; ADDITIONAL SECTION:
ns.usa.norgren.com.	2H IN A		204.132.133.2
ns2.usa.norgren.com.	14m7s IN A	12.41.166.132

;; Total query time: 427 msec
;; FROM: bsdi.dv.isc.org to SERVER: 193.129.122.10  193.129.122.10
;; WHEN: Mon Aug 11 09:37:42 2003
;; MSG SIZE  sent: 37  rcvd: 104

--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org