[nsd-users] NSD SRV rr return limit

[Will Pressly]

Nah. I am querying directly against the authority.

Thanks, though.
Will

On Tue, May 15, 2012 at 3:44 PM, Bryan Duff <bduff at ecessa.com> wrote:

> **
> On 05/15/12 17:18, Will Pressly wrote:
>
> Hi All,
>
>  Is there a limit to the number of SRV records that NSD will return,
> outside of the upper bound on packet size? I have a name that has ~18 SRV
> records, and I only see the same four, always. The packet size out on the
> wire is 260B, so I would expect we could cram some more in there, and I am
> not sure why we are only ever seeing the same five.
>
>  I wanted to ask before burning time on a source-code code-dive. I am
> using nsd 3.2.5.
>
>  Thanks,
> Will Pressly
>
>
> _______________________________________________
> nsd-users mailing listnsd-users at NLnetLabs.nlhttp://open.nlnetlabs.nl/mailman/listinfo/nsd-users
>
>  Remember NSD doesn't rotate records in the same set (or in any case).
> Also, you aren't going through a caching server are you?
>
> $ dig @192.168.2.231 _autodiscover._tcp.example.org srv
> ...
> ;; QUESTION SECTION:
> ;_autodiscover._tcp.example.org.        IN      SRV
>
> ;; ANSWER SECTION:
> _autodiscover._tcp.example.org. 30 IN   SRV     1 100 25 mail.example.org.
> _autodiscover._tcp.example.org. 30 IN   SRV     2 100 25 mail.example.org.
> _autodiscover._tcp.example.org. 30 IN   SRV     3 100 25 mail.example.org.
> _autodiscover._tcp.example.org. 30 IN   SRV     4 100 25 mail.example.org.
> _autodiscover._tcp.example.org. 30 IN   SRV     5 100 25 mail.example.org.
>
> ;; AUTHORITY SECTION:
> example.org.            360     IN      NS      ns1.example.org.
> //end snip
>
> That was just me quickly creating some entries on a test zone.  Often
> caching servers limit the number of RR's to whatever they feel like (4
> seems common).  That's just my experience.
>
> -Bryan
>
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