[plug] Strange DNS issue for AU domains

[Onno Benschop]

Could be that your ISP is filtering port 53, either on purpose or
accidentally.

--
finger painting on glass is an inexact art - apologies for any errors in
this scra^Hibble

()/)/)() ..ASCII for Onno..

On Mon, 18 Sept 2023, 10:02 Alex H, <alex at spottedmouse.com> wrote:

> What has me really confused is that even when specifying the dns server
> using @8.8.8.8 etc, it still did not resolve.
>
> I am also on iinet.
>
> On 18 Sept 2023 09:04, William Kenworthy <billk at iinet.net.au> wrote:
>
> and looks back now.
>
> BillK
>
> On 18/9/23 08:56, Alex wrote:
> > I am no longer able to resolved AU domains and a little stuck with
> > diagnosing the issue.
> >
> > goldberry ~ # dig google.com.au
> >
> > ; <<>> DiG 9.16.41 <<>> google.com.au
> > ;; global options: +cmd
> > ;; Got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 14548
> > ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
> >
> > ;; OPT PSEUDOSECTION:
> > ; EDNS: version: 0, flags:; udp: 1232
> > ; COOKIE: f7c4f09b033fe6ff0100000065079ee2206067b69b541459 (good)
> > ;; QUESTION SECTION:
> > ;google.com.au.                 IN      A
> >
> > ;; Query time: 211 msec
> > ;; SERVER: 192.168.0.3#53(192.168.0.3)
> > ;; WHEN: Mon Sep 18 08:50:42 AWST 2023
> > ;; MSG SIZE  rcvd: 70
> >
> > While .com domains resolve just fine
> >
> > goldberry ~ # dig google.com
> >
> > ; <<>> DiG 9.16.41 <<>> google.com
> > ;; global options: +cmd
> > ;; Got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 38334
> > ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
> >
> > ;; OPT PSEUDOSECTION:
> > ; EDNS: version: 0, flags:; udp: 1232
> > ; COOKIE: a9ea8850e0e3a21b0100000065079eedeaf9099608081f6c (good)
> > ;; QUESTION SECTION:
> > ;google.com.                    IN      A
> >
> > ;; ANSWER SECTION:
> > google.com.             169     IN      A       142.250.70.142
> >
> > ;; Query time: 0 msec
> > ;; SERVER: 192.168.0.3#53(192.168.0.3)
> > ;; WHEN: Mon Sep 18 08:50:53 AWST 2023
> > ;; MSG SIZE  rcvd: 83
> >
> >
> > Using dig +trace I get the following error:
> >
> > couldn't get address for 't.au': failure
> > couldn't get address for 'c.au': failure
> > couldn't get address for 'd.au': failure
> > couldn't get address for 'q.au': failure
> > couldn't get address for 'r.au': failure
> > couldn't get address for 's.au': failure
> > dig: couldn't get address for 't.au': no more
> >
> > The strange thing is that even when specifying other public DNS
> > servers using @8.8.8.8 or @1.1.1.1 it still shows the same errors.
> >
> > As it happens the issues just resolved itself a minute ago, but it
> > seems a little strange.
> >
> > Any pointers or thoughts what might have happened ?
> >
> >
> > _______________________________________________
> > PLUG discussion list: plug at plug.org.au
> > http://lists.plug.org.au/mailman/listinfo/plug
> > Committee e-mail: committee at plug.org.au
> > PLUG Membership: http://www.plug.org.au/membership
> _______________________________________________
> PLUG discussion list: plug at plug.org.au
> http://lists.plug.org.au/mailman/listinfo/plug
> Committee e-mail: committee at plug.org.au
> PLUG Membership: http://www.plug.org.au/membership
>
>
> _______________________________________________
> PLUG discussion list: plug at plug.org.au
> http://lists.plug.org.au/mailman/listinfo/plug
> Committee e-mail: committee at plug.org.au
> PLUG Membership: http://www.plug.org.au/membership
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