9.3.1 problem/question

[Mark Andrews]

> Barry Margolin wrote:
> > In article <d40sqi$2ush$1 at sf1.isc.org>, Pavel Urban <urbanp at mlp.cz> 
> > wrote:
> > 
> > 
> >>Hello,
> >>
> >>our newly installed Bind 9.3.1 is having a problem resolving 
> >>'www.silis.cz'. It resolves to CNAME pointing to 'silis.cz' - strange, 
> >>but I dont's see anything wrong with it. But Bind fails to resolve 
> >>'silis.cz' - while other DNS servers seem to have no problem with it. 
> >>Can anybody tell me a reason/give me a hint what to do? Thanks!
> > 
> > 
> > The delegation records for silis.cz all point to aliases.  This can 
> > cause problems.
> > 
> 
> Is it prohibited/discouraged somewhere in RFCs? I'm not an administrator 
> for this domain, I just want to explain to our customers why they are 
> having problem resolving this domain using our nameservers...
> 
> Thanks!

	It is not supported by the additional section processing
	rules and the glue handling rules.

	For it to work you would have to copy both the CNAME and
	address (A/AAAA) records as glue into the parent zone and
	you would have to change the additional section processing
	to follow CNAME records.

	Mark

> -- 
> ***********************************************************************
> Pavel Urban (pavel.urban at imaginet.cz)
> IOL system disaster
> Internet OnLine, owned by Cesky Telecom, a.s. (www.ct.cz)
> ***********************************************************************
>     Vegetables should not operate electronic equipment.
>            Computer Stupidities, http://rinkworks.com/stupid/
> ***********************************************************************
> 
> 
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org