How often does MIT krb5 request for KDC info through DNS?

Tom Yu tlyu at MIT.EDU
Tue Aug 5 16:17:18 EDT 2014

Nico Williams <nico at> writes:

> On Tue, Aug 5, 2014 at 2:50 PM,  <Spike_White at> wrote:
>> Doesn't "name service caching"  via nscd solve this?
> nscd is specifically about Unix name services, lookups in the
> hosts(4), passwd(4), ... DBs.
> We're talking about DNS SRV RR lookups though; nscd does nothing about those.

I thought the A and AAAA lookups for the addresses of 30+ KDCs were what
were at issue here, unless I'm misunderstanding something.

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