Two questions about the name server address sorting functiona lity

[Mark_Andrews at isc.org]

> Hi again!
> 
> Thanks for your answer. Regarding my second question I have a test case that 
> gives
> me some kind of address sorting even if I have no sort list configured:
> 
> In this test case I get seven IP addresses in the response. 
> Normally these addresses are returned in a round robin way (actually random-c
> yclic in 9.1.3).
> But in this case the IP address 10.43.2.95 belongs to the same subnet as an i
> nterface on my DNS server.
> And as seen this address is always prioritized in the answer (no round robin)
> .
> Why is that if there are no default sortlist in BIND 9.1.3?
> 
> Best Regards,
> Johan Larsson
> 
> Enter hostname or 'quit' to exit: dual5
> Official hostname: dual5.bitlab.erv.ericsson.se
>         address: 10.43.2.95
>         address: 10.233.233.233
>         address: 214.43.152.6
>         address: 214.43.152.7
>         address: 10.43.2.79
>         address: 10.43.2.96
>         address: 10.43.2.97
> 
> 
> Enter hostname or 'quit' to exit: dual5
> Official hostname: dual5.bitlab.erv.ericsson.se
>         address: 10.43.2.95
>         address: 10.43.2.79
>         address: 10.43.2.96
>         address: 10.43.2.97
>         address: 10.233.233.233
>         address: 214.43.152.6
>         address: 214.43.152.7
> 
> 
> Enter hostname or 'quit' to exit: dual5
> Official hostname: dual5.bitlab.erv.ericsson.se
>         address: 10.43.2.95
>         address: 10.43.2.96
>         address: 10.43.2.97
>         address: 10.233.233.233
>         address: 214.43.152.6
>         address: 214.43.152.7
>         address: 10.43.2.79
> 

	The resolver is sorting the addresses not named.

	Mark
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org