[dns-operations] DNAME interoperability

Phil Regnauld regnauld at nsrc.org
Wed Nov 30 08:52:53 UTC 2011

John Horne (john.horne) writes:
> On Tue, 2011-11-29 at 18:36 +0000, Tony Finch wrote:
> > Possibly of interest to this list, I've posted an article on my blog
> > describing a couple of DNAME interoperability problems that we have
> > encountered. Has anyone else seen anything similar?
> > 
> > http://fanf.livejournal.com/116744.html
> > 
> Hello,
> A few years ago we used the DNAME record for our old short-name of
> 'plym.ac.uk' pointing to the long-name of 'plymouth.ac.uk'. However, we
> found that Microsoft 2003 DNS servers did not recognise DNAME, so we had
> to abandon that. A quick check indicates that 2008 MS DNS does now
> support DNAME.

	Many organizations still don't run 2008 DNS. When you say "Microsoft 2003
	DNS servers", do you mean "recursive/caching servers don't understand the
	DNAME RRtype", or "authoritative servers don't support/offer the DNAME
	RRtype [as master or slave]", or both ?


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