Re: Google DNS64 misconfigured?

[Hugo Slabbert <hugo () slabnet com>]

On Wed 2017-Sep-27 00:00:56 -0500, Joel Whitehouse <code () joelwhitehouse com> wrote:

> I had an ipv6-only lab environment cease being able to browse much of 
> the internet on Monday.  Tracked the issue down to google's public 
> DNS64 service; the following queries should return DNS64 responses 
> from the 64:9bff::/96 prefix, however, I'm getting 0 DNS64 answers 
> from dig on both their servers for the last 60 hours:
>
> dig @2001:4860:4860::64 ipv4only.arpa AAAA
> dig @2001:4860:4860::6464 ipv4only.arpa AAAA
>
> DNS works fine, just not DNS64.  A forum topic [0] suggests this 
> behavior might be intermittent but no official response from google 
> there.  Is google's public DNS64 down for anyone else?

I do not regularly use their public DNS64, but those queries also return no 
ANSWER for me from a couple of test points when I just checked now.  One is 
on Teksavvy (AS20375) crossing through Peer1 (AS13768), the other crosses 
directly through peering with Google at the SIX.

--
Hugo Slabbert       | email, xmpp/jabber: hugo () slabnet com
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