[Unbound-users] Cannot resolve the MX for bk.bund.de using unbound

Ralf Hildebrandt Ralf.Hildebrandt at charite.de
Thu Dec 13 09:41:20 UTC 2012

> If you do dnssec validation, set the val-log-level: 2 in unbound.conf.
> Then it prints detailed errors about what goes wrong (and reload or
> restart unbound).

Excellent. For the time being I disabled dnssec validation and I get:
# dig @ -t mx bk.bund.de

; <<>> DiG 9.8.1-P1 <<>> @ -t mx bk.bund.de
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13543
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 5, ADDITIONAL: 8


bk.bund.de. 12583 IN MX 10 mx2.bund.de.
bk.bund.de. 12583 IN MX 10 mx1.bund.de.

> You can get diagnostics out of unbound-control.  With lookup bund.de
> and dump_infra | grep <ip of bund.de nameservers that you saw in lookup>
> If it still fails, increase the verbosity level to gain more information.

I'll play around a bit now.

Ralf Hildebrandt                   Charite Universitätsmedizin Berlin
ralf.hildebrandt at charite.de        Campus Benjamin Franklin
http://www.charite.de              Hindenburgdamm 30, 12203 Berlin
Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155

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