Problems after 8.3.3 upgrade

Mark_Andrews at isc.org Mark_Andrews at isc.org
Wed Jul 17 05:37:42 UTC 2002


> On Wed, 17 Jul 2002 Mark_Andrews at isc.org wrote:
> 
> > 	The problem is that "aa" is not set in flags and should
> > 	be.  As a result the answer is being rejected.
> >
> > 	Mark
> >
> > ; <<>> DiG 8.3 <<>> click.shopping.yahoo.com @NS1.yahoo.com +norec
> > ; (1 server found)
> > ;; res options: init defnam dnsrch
> > ;; got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62871
> > ;; flags: qr; QUERY: 1, ANSWER: 1, AUTHORITY: 13, ADDITIONAL: 12
> > ;; QUERY SECTION:
> > ;;	click.shopping.yahoo.com, type = A, class = IN
> >
> > ;; ANSWER SECTION:
> > click.shopping.yahoo.com.  30M IN CNAME  click.shopping.yahoo.akadns.net.
> 
> 
> Hmmm.... are you sure that the yahoo.com name server should set AA on a
> referral? It sets it on things it's actually authoritative for:

	It should set "aa" for the CNAME record which is the answer
	to the qname in the question section. (BIND 8 gets this wrong).

	See RFC 1034.
	
> 
> dig @ns1.yahoo.com. yahoo.com. soa
> 
> ; <<>> DiG 8.3 <<>> @ns1.yahoo.com. yahoo.com. soa
> ; (1 server found)
> ;; res options: init recurs defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
> ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 5
> ;; QUERY SECTION:
> ;;      yahoo.com, type = SOA, class = IN
> 
> 
> 
> -- 
>    "We have known freedom's price. We have shown freedom's power.
>       And in this great conflict, ...  we will see freedom's victory."
> 	- George W. Bush, President of the United States
>           State of the Union, January 28, 2002
> 
>          Do YOU Yahoo!?
> 
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org


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