[dns-operations] Why are cnames called "canonical" names?

Mark E. Jeftovic markjr at easydns.com
Sat Apr 11 00:49:08 UTC 2015

Edward Lewis wrote:

> I used to have address records at the apex, with CNAME RRs at the service
> names (except for NS) referring to the apex.  It seemed to work, but
> sometimes folks (managers) just didn't like the idea of using CNAME RRs.
> The desire for CNAME-at-apex is unrelated, it is an artifact of how cloud
> service providers manage IP addresses for their customers.

I've got a whole section in the book about cnames at the apex. That's
what got me into this thread in the first place.

- mark

Mark E. Jeftovic <markjr at easydns.com>
Founder & CEO, easyDNS Technologies Inc.
+1-(416)-535-8672 ext 225
Read my blog: http://markable.com

More information about the dns-operations mailing list