multiple answers from the same server
bortzmeyer at nic.fr
Thu Dec 20 12:31:38 UTC 2007
On Thu, Dec 20, 2007 at 01:47:07PM +0200,
Haim [Howard] Roman <roman at jct.ac.il> wrote
a message of 54 lines which said:
> The command "host -v www.drama.org" returns *3* answers from the
> *same* DNS server.
Very broken server, by the way (see later).
> In addition, "dig" returns only the 1st answer.
By default, dig queries only records of type A. They work at
host queries also AAAA and MX record types. Hence the three requests,
and, since the authoritative name server is broken
(record-type-dependent lameness), the two SERVFAIL from your recursor.
(Discovered with tcpdump and confirmed with dig.)
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