Stupid question..

[Mark_Andrews at isc.org]

	Firstly this is a gatewayed mailing list. Please use a real email
	address.

	Secondly go and read RFC 2308 which deals with negative answers in
	detail.

	Mark

> Hi,
> 
> I probably have a stupid question but I cannot figure out the answer so I
> thought I'd ask it anyway:
> 
> I first noticed this when resolving 'snort.org'.
> 
>   # host -t A snort.org.
> 
>   # host -t A www.snort.org.
>   www.snort.org. has address 151.196.107.166
> 
>   # host -t A nxdomain.snort.org.
>   Host nxdomain.snort.org. not found: 3(NXDOMAIN)
> 
> When doing: "dig @ns1.snort.org. -t A snort.org." I get only the authority
> record, but status: NOERROR
> 
> When doing: "dig @ns1.snort.org. -t A nxdomain.snort.org." I get only the
> authority record, but with status: NXDOMAIN
> 
> So the question is: Why is the first query no error? I ask for the A record
> of snort.org, the nameserver cannot answer this and it still returns
> NOERROR.
> 
> For my own domains (isc bind 9.1.3 for both client programs and server) I
> get the exact same responses. I assume this is correct, I just wondered why.
> 
>  = PB =
> 
> 
> 
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org