caching nameserver not always working? status: SERVFAIL
Marius Andreiana
mandreiana at rdslink.ro
Sun Oct 10 07:32:54 UTC 2004
On Fri, 2004-10-08 at 10:19 -0400, Jason Vas Dias wrote:
> You may need to uncomment the 'query-source'
> line in the named.conf that comes with
> caching-nameserver, ie:
>
> 'options { ...
> query-source address * port 53;
> ...
> };
> '
Hi, I uncommented it but it happened again today:
local nameserver:
dig www.galuna.ro
; <<>> DiG 9.2.4 <<>> www.galuna.ro
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 16060
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;www.galuna.ro. IN A
;; Query time: 11 msec
;; SERVER: 81.196.83.211#53(81.196.83.211)
;; WHEN: Sun Oct 10 10:27:52 2004
;; MSG SIZE rcvd: 31
With ISP's nameserver it works:
dig @193.231.236.17 www.galuna.ro
; <<>> DiG 9.2.4 <<>> @193.231.236.17 www.galuna.ro
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 9344
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 9, ADDITIONAL: 11
;; QUESTION SECTION:
;www.galuna.ro. IN A
;; ANSWER SECTION:
www.galuna.ro. 172800 IN CNAME galuna.ro.
galuna.ro. 172800 IN A 213.157.162.252
;; AUTHORITY SECTION:
ro. 167337 IN NS PRIMARY.ROTLD.ro.
ro. 167337 IN NS SECONDARY.ROTLD.ro.
ro. 167337 IN NS NS.UU.NET.
ro. 167337 IN NS NS.RIPE.NET.
ro. 167337 IN NS NS.AUSTRIA.EU.NET.
ro. 167337 IN NS NS1.UNIVIE.AC.AT.
ro. 167337 IN NS SUNIC.SUNET.SE.
ro. 167337 IN NS DNS-RO.DENIC.DE.
ro. 167337 IN NS NS-EXT.VIX.COM.
;; ADDITIONAL SECTION:
NS.UU.NET. 4580 IN A 137.39.1.3
NS.RIPE.NET. 159249 IN A 193.0.0.193
NS.RIPE.NET. 111866 IN AAAA 2001:610:240:0:53::193
NS.AUSTRIA.EU.NET. 171408 IN A 192.92.138.35
NS1.UNIVIE.AC.AT. 170322 IN A 193.171.255.2
SUNIC.SUNET.SE. 4597 IN A 192.36.125.2
DNS-RO.DENIC.DE. 171408 IN A 81.91.161.76
NS-EXT.VIX.COM. 163009 IN A 204.152.184.64
NS-EXT.VIX.COM. 1352 IN AAAA 2001:4f8:0:2::13
PRIMARY.ROTLD.ro. 167796 IN A 192.162.16.18
SECONDARY.ROTLD.ro. 170322 IN A 193.230.31.225
;; Query time: 200 msec
;; SERVER: 193.231.236.17#53(193.231.236.17)
;; WHEN: Sun Oct 10 10:28:34 2004
;; MSG SIZE rcvd: 501
Attached is named.conf.
--
Marius Andreiana
Galuna - Solutii Linux in Romania
http://www.galuna.ro
-------------- next part --------------
//
// named.conf for Red Hat caching-nameserver
//
options {
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
/*
* If there is a firewall between you and nameservers you want
* to talk to, you might need to uncomment the query-source
* directive below. Previous versions of BIND always asked
* questions using port 53, but BIND 8.1 uses an unprivileged
* port by default.
*/
query-source address * port 53;
};
//
// a caching only nameserver config
//
controls {
inet 127.0.0.1 allow { localhost; } keys { rndckey; };
};
zone "." IN {
type hint;
file "named.ca";
};
zone "localdomain" IN {
type master;
file "localdomain.zone";
allow-update { none; };
};
zone "localhost" IN {
type master;
file "localhost.zone";
allow-update { none; };
};
zone "0.0.127.in-addr.arpa" IN {
type master;
file "named.local";
allow-update { none; };
};
zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN {
type master;
file "named.ip6.local";
allow-update { none; };
};
zone "255.in-addr.arpa" IN {
type master;
file "named.broadcast";
allow-update { none; };
};
zone "0.in-addr.arpa" IN {
type master;
file "named.zero";
allow-update { none; };
};
include "/etc/rndc.key";
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