CNAME only zone?
barmar at alum.mit.edu
Sun Dec 11 06:59:28 UTC 2011
In article <mailman.510.1323563868.68562.bind-users at lists.isc.org>,
Ken Peng <shorttag at gmail.com> wrote:
> 2011/12/11 Barry Margolin <barmar at alum.mit.edu>:
> > If CloudFlare is similar to Akamai's solution, recursive servers never
> > see the CNAME record. Â Instead, when the auth server receives the query
> > for the A record of the apex, it performs its own query for the CNAME,
> > and returns the result of this.
> That hears interesting.
> But if the remote auth server for the CNAME has multi-views, and
> return different IPs based on the different clients, then this
> solution maybe not work as expected.
True. Akamai generally only uses it for domains that point to their
hosting/caching infrastructure. The apex points to a server that sends
an HTTP redirect to the www hostname, which is a real CNAME to Akamai's
domain, so then their GLSB logic is invoked.
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