Barry,
Cloudflare has been doing this for a while, so that their customers
won't be "limited by the DNS specifications (RFCs)" <rolls eyes>. Having done
that, they were compelled to offer another service -- so-called "CNAME
flattening" -- to fix the brokenness that's caused by their base offering.
See
https://support.cloudflare.com/hc/en-us/articles/200169056-CNAME-Flattening-RFC-compliant-support-for-CNAME-at-the-root
I think Akamai also offers something similar.
- Kevin
-----Original Message-----
From: bind-users [mailto:[email protected]] On Behalf Of Barry
Margolin
Sent: Wednesday, August 17, 2016 4:34 PM
To: [email protected]
Subject: Re: Selective forwarding from an internal only name server
In article <[email protected]>,
"Darcy Kevin (FCA)" <[email protected]> wrote:
> Well, sharepoint.com is a CNAME to sharepoint.microsoft.com, so you
> might need to make arrangements for that to be resolvable as well.
That doesn't seem valid to begin with. The .COM zone has delegation NS records
for sharepoint.com. Having a CNAME record for the same name is wrong.
--
Barry Margolin
Arlington, MA
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