Resolver problems

[Ingolf Steinbach <ingolf.steinbach%googlemail.com@localhost>]

Hi,

which configuration settings are necessary to avoid AAAA look-ups in
general? v6 support has already been removed from my kernel -- no
interface has a v6 address, but still every application which wants to
resolve a name first asks for a AAAA record and requests the A record
only after 15 seconds.

This is a typical situation:
20:53:27.056921 IP 192.168.2.5.65266 > 192.168.2.1.53: 21446+ AAAA?
ftp.fr.netbsd.org. (35)
20:53:27.423053 IP 192.168.2.1.3072 > 192.168.2.5.65266: UDP, length 117
20:53:27.423129 IP 192.168.2.5 > 192.168.2.1: ICMP 192.168.2.5 udp
port 65266 unreachable, length 36
20:53:32.064586 IP 192.168.2.5.65266 > 192.168.2.1.53: 21446+ AAAA?
ftp.fr.netbsd.org. (35)
20:53:32.118456 IP 192.168.2.1.3072 > 192.168.2.5.65266: UDP, length 117
20:53:32.118509 IP 192.168.2.5 > 192.168.2.1: ICMP 192.168.2.5 udp
port 65266 unreachable, length 36
20:53:42.073605 IP 192.168.2.5.65265 > 192.168.2.1.53: 21447+ A?
ftp.fr.netbsd.org. (35)
20:53:42.075143 IP 192.168.2.1.53 > 192.168.2.5.65265: 21447- 1/0/0 A
132.227.74.11 (51)

What's also unclear: what is the reason for the "port ... unreachable"
ICMP messages?

192.168.2.5 is a freshly installed 5.0.1/i386, 192.168.2.1 is a
(non-NetBSD) router.

Kind regards
Ingolf