Maintained by: NLnet Labs

[Unbound-users] Parent Child Disagreement Redux

Dustin Marquess
Tue Jul 20 22:03:19 CEST 2010


Yes.  A & CNAME both SERVFAIL:

$ dig @127.0.0.1 www.us.hsbc.com. in a

; <<>> DiG 9.6.2-P2 <<>> @127.0.0.1 www.us.hsbc.com. in a
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 48625
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.us.hsbc.com.               IN      A

;; Query time: 2979 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jul 20 15:02:42 2010
;; MSG SIZE  rcvd: 33

$ dig @127.0.0.1 www.us.hsbc.com. in cname

; <<>> DiG 9.6.2-P2 <<>> @127.0.0.1 www.us.hsbc.com. in cname
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 47317
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.us.hsbc.com.               IN      CNAME

;; Query time: 1061 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jul 20 15:02:51 2010
;; MSG SIZE  rcvd: 33

-Dustin

On Tue, Jul 20, 2010 at 3:00 PM, Florian Weimer <fw at deneb.enyo.de> wrote:
> * Dustin Marquess:
>
>> I believe I'm still having problems related to the
>> parent-child-disagreement problem.
>>
>> Running the latest unbound from svn (revision 2200).  I've tried using
>> fork mode and threaded+libevent, same outcome, getting SERVFAILs:
>>
>> $ dig @127.0.0.1 www.us.hsbc.com. in any +trace
>
> Can you reproduce this without QTYPE=ANY?
>