Full Disclosure: Re: Possible DNS compromise/poisoning?

[Florian Weimer <fw () deneb enyo de>]

> Is anyone else seeing this:
>
> --SNIP--
> ;; QUESTION SECTION:
> ;www.microsoft.com.             IN      A
>
> ;; ANSWER SECTION:
> www.microsoft.com.      2415    IN      CNAME
> www.microsoft.com.nsatc.net.
> --SNIP--
>
> Notice that www.microsoft.com is a cname for
> www.microsoft.com.nsatc.net.  It's not limited to www.microsoft.com
> and to the best of my knowledge the correct web content is
> displayed.
AFAIK, this is a side effect because Microsoft uses Savvis' content
distribution network.

This is by no means a recent change.  It's been this way since last
June, probably much longer (I haven't got older data).
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