Re: Parent is a CNAME

2009-12-02 Thread Joseph S D Yao
On Wed, Dec 02, 2009 at 12:52:01PM -0500, Barry Margolin wrote: ... > I think he misunderstood you to be saying that the name that has a CNAME > can never appear on the *righthand* side of a RR. This is true for > records like MX and NS -- they mustn't point to aliases. CNAME chains > are the

Re: Parent is a CNAME

2009-12-02 Thread Sam Wilson
In article , Joseph S D Yao wrote: > On Wed, Dec 02, 2009 at 12:47:08PM +, Sam Wilson wrote: > > In article , > > Joseph S D Yao wrote: > [incorrectly] > > > No. > ... > > Not true. CNAME chains - CNAMEs pointing to other CNAMEs - are > > inefficient and discouraged but the DNS spec is b

Re: Parent is a CNAME

2009-12-02 Thread Joseph S D Yao
On Wed, Dec 02, 2009 at 12:47:08PM +, Sam Wilson wrote: > In article , > Joseph S D Yao wrote: [incorrectly] > > No. ... > Not true. CNAME chains - CNAMEs pointing to other CNAMEs - are > inefficient and discouraged but the DNS spec is built to ensure that > they work. Check out www.googl

Re: Parent is a CNAME

2009-12-02 Thread Barry Margolin
In article , Joseph S D Yao wrote: > On Wed, Dec 02, 2009 at 12:47:08PM +, Sam Wilson wrote: > > In article , > > Joseph S D Yao wrote: > [incorrectly] > > > No. > ... > > Not true. CNAME chains - CNAMEs pointing to other CNAMEs - are > > inefficient and discouraged but the DNS spec is b

Re: Parent is a CNAME

2009-12-02 Thread Joseph S D Yao
I apologise, I should have tested - I appear to have been laboring under a misconception and false mental model. I will check my resources to see why I thought this. -- /*\ ** ** Joe Yao j...@tux.or

Re: Parent is a CNAME

2009-12-02 Thread Sam Wilson
In article , Joseph S D Yao wrote: > On Tue, Dec 01, 2009 at 04:59:16PM -0800, Hans Jacobsen wrote: > > If a.stanford.edu is a cname (say to b.stanford.edu) > > can I delegate subdomain.a.stanford.edu? Are there documents that > > point to this being an ok or bad practice? > > > > I know all

Re: Parent is a CNAME

2009-12-01 Thread Chris Buxton
On Dec 1, 2009, at 7:50 PM, Joseph S D Yao wrote: > On Tue, Dec 01, 2009 at 04:59:16PM -0800, Hans Jacobsen wrote: >> If a.stanford.edu is a cname (say to b.stanford.edu) >> can I delegate subdomain.a.stanford.edu? Are there documents that >> point to this being an ok or bad practice? >> >> I k

Re: Parent is a CNAME

2009-12-01 Thread Joseph S D Yao
On Tue, Dec 01, 2009 at 04:59:16PM -0800, Hans Jacobsen wrote: > If a.stanford.edu is a cname (say to b.stanford.edu) > can I delegate subdomain.a.stanford.edu? Are there documents that > point to this being an ok or bad practice? > > I know all records for a.stanford.edu are relegated to recor