Configuration issue

[Sonic]

On Mon, Nov 27, 2017 at 8:42 AM, Aggelos Kanarelis
<Aggelos.Kanarelis at artsalliancemedia.com> wrote:
>
> nslookup facebook.com unboundIP
> Server:  UnKnown
> Address:  unbound IP
>
> Non-authoritative answer:
> Name:    facebook.com
> Addresses:  2a03:2880:f101:83:face:b00c:0:25de
>           31.13.76.68

Are you blocking access to all other DNS servers from the system
you're testing with?