Problem with a certain domain

[Matus UHLAR - fantomas]

On 03.06.24 18:46, Thomas Barth via bind-users wrote:
>I cannot send them an email to inform about a dns problem. The mail 
>gets stuck in the queue.
>
>postqueue -p
>(Host or domain name not found. Name service error for name=mx.renr.es 
>type=A: Host not found, try again)
>                                         red at mallorcazeitung.es
>
>
>Bind reports a communication error.
>
>dig mx.renr.es
>;; communications error to 127.0.0.1#53: timed out
>
>I could enable the bind logging:
>
>03-Jun-2024 18:34:22.681 client @0x7f014c88ed68 127.0.0.1#54496 
>(mallorcazeitung.es): query: mallorcazeitung.es IN MX +E(0)K 
>(127.0.0.1)
>03-Jun-2024 18:34:36.098 client @0x7f014ef48168 127.0.0.1#59706 
>(mx.renr.es): query: mx.renr.es IN A +E(0)K (127.0.0.1)
>03-Jun-2024 18:34:41.106 client @0x7f014dd71768 127.0.0.1#56423 
>(mx.renr.es): query: mx.renr.es IN A +E(0)K (127.0.0.1)
>
>Should I perhaps ask the mail user to unsubscribe from this website 
>due to troubles of bad configuration?


yeah I guess you should, their DNS servers are pretty much messed up:


% dig ns epi.es @213.4.119.2

; <<>> DiG 9.18.24-1-Debian <<>> ns epi.es @213.4.119.2
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42145
;; flags: qr aa rd; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;epi.es.                                IN      NS

;; ANSWER SECTION:
epi.es.                 259200  IN      NS      ns3.epi.es.
epi.es.                 180     IN      NS      ns1.epi.es.
epi.es.                 300     IN      NS      ns1.epi.es.
epi.es.                 300     IN      NS      ns2.epi.es.
epi.es.                 3600    IN      NS      ns2.epi.es.

% dig ns1.epi.es @213.4.119.2

; <<>> DiG 9.18.24-1-Debian <<>> ns1.epi.es @213.4.119.2
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57889
;; flags: qr aa rd; QUERY: 1, ANSWER: 8, AUTHORITY: 5, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;ns1.epi.es.                    IN      A

;; ANSWER SECTION:
ns1.epi.es.             300     IN      A       213.0.95.2
ns1.epi.es.             300     IN      A       213.0.95.2
ns1.epi.es.             300     IN      A       213.0.95.2
ns1.epi.es.             300     IN      A       213.0.95.2
ns1.epi.es.             300     IN      A       213.0.95.2
ns1.epi.es.             300     IN      A       213.0.95.2
ns1.epi.es.             300     IN      A       213.0.95.2
ns1.epi.es.             300     IN      A       213.0.95.2

;; AUTHORITY SECTION:
epi.es.                 259200  IN      NS      ns3.epi.es.
epi.es.                 180     IN      NS      ns1.epi.es.
epi.es.                 300     IN      NS      ns1.epi.es.
epi.es.                 300     IN      NS      ns2.epi.es.
epi.es.                 3600    IN      NS      ns2.epi.es.

-- 
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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Christian Science Programming: "Let God Debug It!".