No subject


Tue Sep 14 07:33:07 BST 2010


----
alex at berk:~$ time host 2a01:348:45:1000:9c2a:24d9:4fd6:5ff9 77.75.104.59
Using domain server:
Name: 77.75.104.59
Address: 77.75.104.59#53
Aliases:

Host 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa not found: 2(SERVFAIL)

real    0m0.048s
user    0m0.000s
sys     0m0.010s

alex at berk:~$ time host 2a01:348:45:1000:9c2a:24d9:4fd6:5ff9 77.75.104.58
Using domain server:
Name: 77.75.104.58
Address: 77.75.104.58#53
Aliases:

Host 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa not found: 2(SERVFAIL)

real    0m0.046s
user    0m0.010s
sys     0m0.000s
----

Now with strict-order commented out, a query to dnsmasq gives:
----
alex at berk:~$ time host 2a01:348:45:1000:9c2a:24d9:4fd6:5ff9
;; connection timed out; no servers could be reached

real    0m12.015s
user    0m0.000s
sys     0m0.010s
----

dnsmasq in debugging mode meanwhile spits out:
----
# dnsmasq --no-daemon --log-queries
dnsmasq: started, version 2.55 cachesize 150
dnsmasq: compile time options: IPv6 GNU-getopt no-DBus no-I18N DHCP no-TFTP
dnsmasq-dhcp: DHCP, IP range 192.168.1.32 -- 192.168.1.64, lease time 12h
dnsmasq: reading /etc/ppp/resolv-manual.conf
dnsmasq: using nameserver 77.75.104.59#53
dnsmasq: using nameserver 77.75.104.58#53
dnsmasq: read /etc/hosts - 9 addresses
dnsmasq: query[PTR] 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa from 192.168.1.39
dnsmasq: forwarded 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa to 77.75.104.58
dnsmasq: forwarded 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa to 77.75.104.59
dnsmasq: query[PTR] 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa from 2a01:348:45:1000:9c2a:24d9:4fd6:5ff9
dnsmasq: forwarded 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa to 77.75.104.58
dnsmasq: forwarded 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa to 77.75.104.59
dnsmasq: query[PTR] 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa from 192.168.1.39
dnsmasq: forwarded 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa to 77.75.104.58
dnsmasq: forwarded 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa to 77.75.104.59
dnsmasq: query[PTR] 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa from 2a01:348:45:1000:9c2a:24d9:4fd6:5ff9
dnsmasq: forwarded 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa to 77.75.104.58
dnsmasq: forwarded 9.f.f.5.6.d.f.4.9.d.4.2.a.2.c.9.0.0.0.1.5.4.0.0.8.4.3.0.1.0.a.2.ip6.arpa to 77.75.104.59
----

With a consistent and near instant reply from the upstream servers, I 
would have expected an near instant reply back to the client surely?

Cheers

-- 
Alexander Clouter
.sigmonster says: Be careful when you bite into your hamburger.
                  		-- Derek Bok



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