SUMMARY: slow DNS server on solaris 10

From: Gerard Henry (ghenry@cmi.univ-mrs.fr)
Date: Tue Nov 21 2006 - 10:33:42 EST


well, this is a well known bug according sun hotline.
It's related to bind 9.2.4, and i have to wait bind 9.3.x which will
come in Solaris 10 Update 4, before get a fix to this problem

And compiling bind myself isn't a solution

Girard Henry wrote:
> hello all,
> on my network, i have a debian machine (sarge) acting as dns server (bind9).
> I need to replace it with a solaris 10 machine, so i'm configuring named from sun with exactly the same files that are on debian machines.
> When i start named on soaris 10, resolution works, but with a certain timeout, and i can't explain why.
> To do testing, i modify resolv.conf on a solaris machine, as in:
> cat /etc/resolv.conf
> domain cmi.univ-mrs.fr
> search cmi.univ-mrs.fr univ-mrs.fr
> nameserver 192.168.64.23 <-- or 214, deponds on what server i'm using
> nameserver 139.124.1.2
>
> when doing lynx <url not in cache>, snoop show me that resolution is done by the second dns:
>
> 0.00000 w2100.cmi.univ-mrs.fr -> 192.168.64.23 DNS C home.arcor.de. Internet Addr ?
> 0.97924 w2100.cmi.univ-mrs.fr -> 192.168.64.23 DNS C 102.64.168.192.in-addr.arpa. Internet PTR ?
> 0.98185 192.168.64.23 -> w2100.cmi.univ-mrs.fr DNS R 102.64.168.192.in-addr.arpa. Internet PTR w2100.cmi.univ-mrs.fr.
> 0.98205 w2100.cmi.univ-mrs.fr -> 192.168.64.23 DNS C w2100.cmi.univ-mrs.fr. Internet Addr ?
> 0.98260 192.168.64.23 -> w2100.cmi.univ-mrs.fr DNS R w2100.cmi.univ-mrs.fr. Internet Addr 192.168.64.102
> 0.98287 w2100.cmi.univ-mrs.fr -> 192.168.64.23 DNS C 23.64.168.192.in-addr.arpa. Internet PTR ?
> 0.98347 192.168.64.23 -> w2100.cmi.univ-mrs.fr DNS R Error: 3(Name Error)
> 0.98366 w2100.cmi.univ-mrs.fr -> 192.168.64.23 DNS C 23.64.168.192.in-addr.arpa. Internet PTR ?
> 0.98422 192.168.64.23 -> w2100.cmi.univ-mrs.fr DNS R Error: 3(Name Error)
> 5.00780 w2100.cmi.univ-mrs.fr -> 139.124.1.2 DNS C home.arcor.de. Internet Addr ?
> 5.00864 139.124.1.2 -> w2100.cmi.univ-mrs.fr DNS R home.arcor.de. Internet CNAME home.arcor-online.net.
> 5.18808 w2100.cmi.univ-mrs.fr -> 192.168.64.23 DNS C 2.1.124.139.in-addr.arpa. Internet PTR ?
> 10.19779 w2100.cmi.univ-mrs.fr -> 139.124.1.2 DNS C 2.1.124.139.in-addr.arpa. Internet PTR ?
> 10.19872 139.124.1.2 -> w2100.cmi.univ-mrs.fr DNS R 2.1.124.139.in-addr.arpa. Internet PTR riluminy.univ-mrs.fr.
> 10.19893 w2100.cmi.univ-mrs.fr -> 192.168.64.23 DNS C riluminy.univ-mrs.fr. Internet Addr ?
>
>
> And if i use dig:
> w2100-henry% dig @192.168.64.23 www.tututu.net A
>
> ; <<>> DiG 9.2.4 <<>> @192.1684.64.23 www.tututu.net A
> ;; global options: printcmd
> ;; connection timed out; no servers could be reached
>
>
> Anyone has noticed this problem? Any idea to solve it?
>
> thanks in advance,
>
> gerard
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