[bind10-dev] unexpected response from bind10

[Shane Kerr]

Cuiling,

Thanks for the report. I've submitted this as a Trac ticket:

http://bind10.isc.org/ticket/626

On Thu, 2011-02-24 at 15:50 +0800, zhangcuiling wrote:
> hi,
>     i found something strange with bind10. in certain situation, bind10 replies with SERVFAIL for a while.

> experiment
> --------------------
> [root at devel sbin]# ./bind10 -p 30001
> [root at devel sbin]# dig @localhost -p 30001 demo.example.com soa

> [root at devel sbin]# dig @localhost -p 30001 nxdomain.demo.example.com a

> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 38494

> after a while ( about 30 seconds ):
> ; <<>> DiG 9.7.2-P2 <<>> @localhost -p 30001 nxdomain.demo.example.com a

> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 12707

Yikes! Since you indicate this is repeatable, we should be able to track
this down without too many problems.

> queries in the following sequence can get correct responses:
> ./bind10 -p 30001
> dig @localhost -p 30001 nxdomain.demo.example.com a
> 
> ./bind10 -p 30001
> dig @localhost -p 30001 demo.example.com a
> dig @localhost -p 30001 nxdomain.demo.example.com a

Weird. I've added you on the Cc to the ticket also, so you can see the
progress.

Thanks again for reporting,

--
Shane