Re: CNAME records in place of A records

[Doug Barton <dougb () dougbarton us>]

On 11/6/20 2:49 PM, Sabri Berisha wrote:
> ----- On Nov 6, 2020, at 2:07 AM, Dovid Bender <dovid () telecurve com> wrote:
>
> Hi,
>
> > Sorry if this is a bit OT. Recently several different vendors (in completely
> > different fields) where they white label for us asked us to remove A records
> > that we have going to them and replace them with CNAME records. Is there
> > anything *going around* in the security aranea that has caused this?
>
> Security-wise, you should be good. But make sure you're not attempting to deliver e-mail to such a domain; CNAMEs 
> cannot be used in MX records.

Or NS records, since you mentioned it.  :)

Doug