to +norec or not to +norec
barmar at alum.mit.edu
Fri Dec 31 02:56:31 UTC 2004
In article <cr1tlv$1h7s$1 at sf1.isc.org>,
"kirkgbr at yahoo(dot)com" <kirkgbr at yahoo.com> wrote:
> I gotcha (i think). The actual query data being sent depends on the
> type of source "device".
> stub resolver=client sends one type of "data" for queries.
> recursion enabled name servers send a different type of "data" for
> Did i get that correct?
Right. A client sends a single query to its nameserver, and requests
that it perform recursion to get the answer for it.
When the server is trying to get the answer, it sends non-recursive
requests. It expects to get back referrals and keeps querying more
Barry Margolin, barmar at alum.mit.edu
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